The Vishay Dale RL07S474JB14 delivers a 470 kOhm resistance value with ±5% tolerance in a quarter-watt axial through-hole resistor designed for military-grade applications. This metal film resistor belongs to the RL07 series, which meets MIL-PRF-22684/01 specifications, making it suitable for environments where reliability and environmental protection are required.
Metal film construction provides stable electrical performance across the operating temperature range of -65°C to 175°C, with a temperature coefficient of ±200ppm/°C. The 0.25W power rating allows the component to handle typical signal conditioning and voltage division tasks in analog circuits. The axial lead configuration measures 0.090" in diameter by 0.240" in length (2.29mm x 6.10mm), compatible with standard PCB through-hole mounting and point-to-point wiring assemblies.
The flame retardant coating enhances safety in applications where fire risk must be minimized. Moisture resistant construction protects internal elements from humidity-related degradation, extending operational life in non-hermetic enclosures. These features align with military reliability requirements while remaining accessible for industrial and commercial designs that benefit from enhanced environmental protection.
The 470 kOhm resistance value positions this component in bias networks, high-impedance input stages, and feedback loops where minimal current draw is needed. The axial package supports both automated insertion equipment and manual assembly, offering flexibility across production scales. Bulk packaging provides cost-effective sourcing for prototype development and volume manufacturing.
As a metal film resistor with military qualification, the RL07S474JB14 addresses applications in instrumentation, aerospace systems, and industrial controls where component reliability directly impacts system performance. The combination of wide operating temperature range, protective coatings, and proven construction methodology makes this resistor applicable to circuits operating in thermally demanding or environmentally challenging conditions. The 5% tolerance specification accommodates general-purpose analog designs without requiring precision trimming or selection processes.
RL07S474JB14 (1)
Finding a Replacement for Vishay Dale RL07S474JB14 in Real Designs
Vishay Dale RL07S474JB14 is a 470 kOhm, ±5%, 1/4 W axial metal film resistor from the Vishay Dale RL07 military series, built around MIL-PRF-22684/01 requirements. It is commonly selected where an axial through-hole resistor must provide stable high-value resistance, flame-retardant coating, moisture resistance, and a broad operating temperature range from -65°C to 175°C.
Replacement demand usually appears in several practical situations: the original RL07S474JB14 is unavailable, a RoHS-compliant substitute is required, a tighter tolerance is preferred, a commercial-grade design needs a cost-efficient alternative, or a legacy through-hole assembly must be maintained without redesigning the PCB. Because this resistor may be used in bias networks, sensing dividers, timing circuits, discharge paths, protection networks, or high-impedance signal conditioning stages, replacement selection should not be based only on “470 kOhm, 1/4 W” matching.
Potential equivalent and alternative part numbers discussed in this article include:
- Vishay Dale RL07S474J
- Vishay Dale RN60D4703FB14
- Vishay Dale CMF55470K00JKEA
- Vishay MRS25000C4703FCT00
- Yageo MFR-25FBF52-470K
- KOA Speer MF1/4DCT52R4703F
These parts can cover different replacement paths: same-family sourcing, military-grade substitution, higher-power commercial replacement, RoHS-oriented redesign, and cost-effective production alternatives.
Understanding Vishay Dale RL07S474JB14 Before Selecting an Equivalent
Vishay Dale RL07S474JB14 is not just a general-purpose 470 kOhm resistor. Its value lies in the combination of electrical rating, coating system, environmental behavior, and military-series construction.
The main design characteristics are:
- Resistance: 470 kOhm
- Tolerance: ±5%
- Power rating: 0.25 W
- Construction: metal film
- Mounting style: axial through-hole
- Series: Vishay Dale RL07, MIL-PRF-22684/01
- Temperature coefficient: ±200 ppm/°C
- Operating temperature range: -65°C to 175°C
- Features: flame-retardant coating, moisture resistance, safety-oriented construction
- Package size: approximately 0.090 in diameter x 0.240 in length
- RoHS status: non-compliant
The 470 kOhm value places this resistor in a relatively high-impedance range. In many circuits, leakage current, surface contamination, PCB spacing, input bias current, and parasitic capacitance can influence the actual operating result. A replacement part with the same nominal resistance may still behave differently if its voltage coefficient, insulation behavior, temperature drift, or body size changes.
For RL07S474JB14 replacement selection, the first decision is whether the replacement must preserve the military/flame-retardant characteristics or whether the circuit only requires the electrical function of a 470 kOhm axial resistor. This distinction determines whether a same-series or military-grade part is preferred, or whether a commercial metal film resistor is acceptable.
Replacement Selection Boundaries for RL07S474JB14
A suitable RL07S474JB14 alternative should be checked through several engineering boundaries.
Electrical resistance and tolerance:
- A 470 kOhm nominal value is required. A tighter tolerance such as ±1% can usually replace ±5% electrically, provided the circuit does not rely on broad resistance tolerance for calibration or matching behavior. In most bias, divider, and timing circuits, tighter tolerance improves predictability.
Power rating:
- The replacement should be rated at 0.25 W or higher under comparable ambient conditions. However, resistor power rating depends on derating curves. A 0.25 W resistor in a 125°C or 175°C environment may not support full rated power. The actual dissipation should be calculated using P = V²/R or P = I²R.
Temperature coefficient:
- RL07S474JB14 is specified at ±200 ppm/°C. Alternatives with ±100 ppm/°C or ±50 ppm/°C generally provide lower drift. This is beneficial in precision dividers, references, analog thresholds, and timing networks. In non-precision pull-up or discharge functions, the improvement may not affect system behavior.
Mechanical fit:
- The original axial body is relatively compact. Alternatives such as RN60 or CMF55 may have different body length and lead geometry. PCB hole spacing, lead forming, creepage distance, and assembly clearance should be checked before approving a substitute.
Environmental and safety behavior:
- RL07S474JB14 includes flame-retardant and moisture-resistant characteristics. If the resistor sits across a power rail, in a safety-related discharge path, near high-voltage nodes, or inside equipment requiring compliance documentation, a general-purpose metal film resistor may not be a direct compliance replacement.
RoHS and procurement requirements:
- The original RL07S474JB14 is RoHS non-compliant. If the assembly is moving toward RoHS-compliant production, a commercial RoHS-compliant alternative may be preferred, but compliance changes should be reviewed with the product’s certification and material declaration requirements.
Vishay Dale RL07S474J as the Closest Same-Family Equivalent to RL07S474JB14
Vishay Dale RL07S474J is the closest same-family equivalent when the procurement suffix or packaging suffix differs from RL07S474JB14. The core code identifies a Vishay Dale RL07 resistor with 470 kOhm resistance and ±5% tolerance. In many sourcing workflows, suffix differences may relate to lead form, packaging, lot processing, or ordering configuration rather than a change to the base electrical function.
Why Vishay Dale RL07S474J can replace RL07S474JB14:
- It belongs to the same Vishay Dale RL07 family.
- It preserves the 470 kOhm nominal resistance.
- It preserves the ±5% tolerance class.
- It is based on the same military RL07 construction concept.
- It is the best path when the design must retain MIL-PRF-22684/01 style characteristics.
Key differences compared with RL07S474JB14:
- The exact suffix may indicate ordering, packaging, or lead configuration differences.
- The availability, certification paperwork, or lot traceability may vary by supplier.
- The suffix should be verified against the manufacturer’s current ordering information before production approval.
Applicable scenarios:
- Legacy military or industrial boards using RL07S474JB14.
- Maintenance of qualified through-hole assemblies.
- Applications where flame-retardant coating and moisture resistance are part of the original design assumption.
- Procurement replacement where the same Vishay Dale RL07 resistor is required but the exact suffix is not available.
Limitations:
- It is not a redesign-oriented substitute if RoHS compliance is required.
- Suffix differences should not be ignored in controlled BOMs.
- If the assembly requires exact drawing-level approval, RL07S474J should be reviewed as a manufacturer-approved equivalent rather than treated as automatically interchangeable.
Vishay Dale RN60D4703FB14 as a Military-Grade Alternative to RL07S474JB14
Vishay Dale RN60D4703FB14 is a strong alternative when a military-style axial metal film resistor is required but the RL07 series part is difficult to source. The “4703” code represents 470 kOhm, and the “F” tolerance typically indicates ±1%, giving tighter resistance control than the original ±5% RL07S474JB14.
Why Vishay Dale RN60D4703FB14 can replace RL07S474JB14:
- It is a Vishay Dale axial metal film resistor.
- It provides the same 470 kOhm nominal resistance.
- It offers tighter tolerance than RL07S474JB14.
- It is associated with military-grade RN resistor usage.
- It is suitable for high-reliability through-hole designs where electrical stability is valued.
Key differences compared with RL07S474JB14:
- RN60D4703FB14 generally belongs to a different military resistor family than RL07.
- It may have a different body size and lead spacing requirement.
- Its coating and flame-retardant behavior may not be identical to RL07S474JB14.
- Its tolerance is tighter, which may slightly shift nominal circuit behavior if the original design was calibrated around a broader ±5% spread.
Applicable scenarios:
- Precision voltage dividers.
- Analog bias networks.
- Reference scaling circuits.
- High-reliability industrial or defense-related boards where a Vishay Dale axial metal film substitute is preferred.
- Applications where tighter tolerance helps reduce calibration variation.
Limitations:
- It should not be used as a blind replacement where the original RL07 flame-retardant or safety construction is part of certification.
- Mechanical clearance must be checked because RN60-style resistors may not match the compact RL07 body.
- The thermal derating curve should be compared with the original operating environment.
Vishay Dale CMF55470K00JKEA as a Higher-Power Commercial Alternative to RL07S474JB14
Vishay Dale CMF55470K00JKEA is a commercial axial metal film resistor option with 470 kOhm resistance. The CMF55 family is widely used in industrial and commercial electronics, and many CMF55 variants offer higher power capability than a 1/4 W resistor depending on operating conditions and construction.
Why Vishay Dale CMF55470K00JKEA can replace RL07S474JB14:
- It provides the same 470 kOhm resistance.
- It uses metal film technology.
- It is an axial through-hole resistor.
- It can offer a higher power margin than the 0.25 W RL07S474JB14 in suitable conditions.
- It is a common Vishay Dale commercial replacement path when military RL07 qualification is not required.
Key differences compared with RL07S474JB14:
- It is not the same RL07 military series.
- It may have a larger body size.
- Its environmental qualification and coating behavior differ from the RL07 product.
- Its tolerance and temperature coefficient must be checked for the exact ordered suffix.
- It may be more suitable for commercial or industrial equipment than military-controlled assemblies.
Applicable scenarios:
- Commercial power supplies.
- Industrial control boards.
- General analog and digital bias circuits.
- Legacy axial PCB designs where more power margin is useful.
- Non-military equipment where Vishay Dale brand continuity is preferred.
Limitations:
- It should be reviewed before use in safety-related flame-retardant positions.
- The larger package may alter creepage, lead forming, or board clearance.
- If the original BOM requires MIL-PRF-22684/01, CMF55470K00JKEA is not a direct qualification equivalent.
Vishay MRS25000C4703FCT00 as a RoHS-Oriented Precision Alternative to RL07S474JB14
Vishay MRS25000C4703FCT00 is a metal film axial resistor suitable for designs that prioritize RoHS compliance, precision, and stable commercial production supply. It is commonly used in professional electronics where a through-hole metal film resistor is needed but military RL07 certification is not required.
Why Vishay MRS25000C4703FCT00 can replace RL07S474JB14:
- It provides 470 kOhm resistance through the “4703” resistance code.
- It is an axial through-hole metal film resistor.
- It is typically available in tighter tolerance options than ±5%.
- It supports modern commercial production requirements better than many legacy non-RoHS parts.
- It can reduce resistance drift in analog circuits compared with a ±200 ppm/°C part, depending on exact specification.
Key differences compared with RL07S474JB14:
- It is not a Vishay Dale RL07 military resistor.
- It may have a different power rating and derating profile.
- It does not duplicate the original MIL-PRF-22684/01 positioning.
- Its body size may differ from the compact RL07 package.
- Its RoHS-compliant material system differs from the original non-RoHS RL07S474JB14.
Applicable scenarios:
- RoHS-compliant redesigns.
- Instrumentation bias networks.
- Signal conditioning input dividers.
- Commercial control systems.
- Through-hole assemblies where improved tolerance and temperature behavior are preferred.
Limitations:
- It is not the first choice if the original resistor is used for a certified safety or flame-retardant function.
- Mechanical lead spacing should be confirmed.
- For high-temperature operation near 175°C, the MRS series rating and derating curve must be checked against the actual board environment.
Yageo MFR-25FBF52-470K as a Cost-Efficient Metal Film Alternative to RL07S474JB14
Yageo MFR-25FBF52-470K is a widely available axial metal film resistor with 470 kOhm resistance. It is often considered when the design only requires a standard 470 kOhm, 1/4 W through-hole metal film resistor and does not require Vishay Dale military-series construction.
Why Yageo MFR-25FBF52-470K can replace RL07S474JB14:
- It matches the 470 kOhm resistance value.
- It is a 1/4 W class axial resistor.
- It uses metal film construction.
- It usually offers tighter tolerance than the original ±5% resistor.
- It is commonly available for commercial production and repair.
Key differences compared with RL07S474JB14:
- It is a commercial-grade alternative, not a Vishay Dale RL07 military part.
- Its maximum operating temperature range may be lower than the RL07S474JB14 rating.
- Its coating, moisture resistance, and flame behavior may differ.
- Its long-term stability and qualification basis may not match the original RL07 series.
- It may not be appropriate for high-reliability, defense, aerospace, or safety-controlled assemblies without approval testing.
Applicable scenarios:
- General-purpose control boards.
- Pull-up or pull-down networks.
- Low-power bias resistors.
- Repair of non-certified equipment.
- Commercial products requiring a readily available 470 kOhm axial metal film resistor.
Limitations:
- Not a direct replacement for MIL-PRF-22684/01 requirements.
- Temperature range and derating should be checked.
- Not preferred where flame-retardant safety behavior is part of the original design intent.
KOA Speer MF1/4DCT52R4703F as a Precision Commercial Alternative to RL07S474JB14
KOA Speer MF1/4DCT52R4703F is another 470 kOhm axial metal film resistor alternative. It is suitable for commercial and industrial use where stable resistance, tighter tolerance, and through-hole compatibility are required.
Why KOA Speer MF1/4DCT52R4703F can replace RL07S474JB14:
- It provides the same 470 kOhm nominal resistance.
- It is a 1/4 W class axial resistor.
- It uses metal film construction.
- It generally provides tighter tolerance than the ±5% RL07S474JB14.
- It is suitable for many conventional through-hole PCB layouts.
Key differences compared with RL07S474JB14:
- It is not from the Vishay Dale RL07 military series.
- It may not provide the same flame-retardant coating classification.
- Its operating temperature range and derating curve should be compared with the application.
- Its body dimensions and lead finish may differ.
- It is more suitable for commercial substitution than for controlled military BOM replacement.
Applicable scenarios:
- Commercial analog circuits.
- High-impedance resistor dividers.
- Timing circuits.
- Industrial low-power electronics.
- Cost- and availability-driven replacement of 470 kOhm axial resistors.
Limitations:
- Not a same-series or same-standard equivalent.
- Should be avoided in qualified safety or military applications unless approved by engineering validation.
- High-temperature operation should be checked using the KOA Speer derating data.
Comparison Summary for RL07S474JB14 Equivalent and Alternative Part Numbers
The table below summarizes the practical replacement position of each part number.
Original part:
- Vishay Dale RL07S474JB14
Best fit:
- Original reference part
Main advantage:
- Military RL07 construction, flame-retardant coating, moisture resistance, 175°C upper temperature rating
Main limitation:
- RoHS non-compliant and may face sourcing constraints
Alternative:
- Vishay Dale RL07S474J
Best fit:
- Closest same-family equivalent
Main advantage:
- Maintains RL07 family and 470 kOhm ±5% identity
Main limitation:
- Suffix and ordering details must be verified
Alternative:
- Vishay Dale RN60D4703FB14
Best fit:
- Military-grade electrical upgrade
Main advantage:
- 470 kOhm, axial metal film, tighter tolerance, Vishay Dale reliability positioning
Main limitation:
- Different family, possible size and coating differences
Alternative:
- Vishay Dale CMF55470K00JKEA
Best fit:
- Commercial Vishay Dale axial substitute with higher power margin
Main advantage:
- Metal film construction, broad availability, useful for industrial equipment
Main limitation:
- Not MIL-PRF-22684/01 RL07 equivalent
Alternative:
- Vishay MRS25000C4703FCT00
Best fit:
- RoHS-oriented precision redesign
Main advantage:
- Modern metal film resistor for commercial production, tighter tolerance options
Main limitation:
- Different qualification basis and environmental profile
Alternative:
- Yageo MFR-25FBF52-470K
Best fit:
- Cost-efficient general-purpose replacement
Main advantage:
- Common 470 kOhm 1/4 W metal film axial resistor
Main limitation:
- Not suitable for direct military or safety-certified substitution without review
Alternative:
- KOA Speer MF1/4DCT52R4703F
Best fit:
- Commercial precision axial substitute
Main advantage:
- Tighter tolerance and stable metal film behavior
Main limitation:
- Not a same-series replacement for RL07S474JB14
In most engineering replacement decisions, Vishay Dale RL07S474J is the closest same-family route. If same-family procurement is not possible and military-style reliability is preferred, Vishay Dale RN60D4703FB14 is often the most technically balanced alternative. For RoHS-driven redesigns, Vishay MRS25000C4703FCT00 becomes more attractive. For commercial cost and availability, Yageo MFR-25FBF52-470K and KOA Speer MF1/4DCT52R4703F are practical options.
Practical Validation Methods After Replacing RL07S474JB14
For practical validation, Vishay Dale RN60D4703FB14 can be used as the example because it is a strong candidate when the original RL07S474JB14 is unavailable but a high-reliability Vishay Dale axial metal film resistor is still desired.
Verify Electrical Function and Driver Compatibility with Vishay Dale RN60D4703FB14
Although a resistor has no driver in the same sense as an IC, it is often connected to an active source such as an op amp output, comparator input, transistor base/gate network, optocoupler input circuit, PWM control node, ADC input, or reference divider. After replacing RL07S474JB14 with Vishay Dale RN60D4703FB14, the surrounding circuit should be checked for source loading and node behavior.
Recommended checks:
Confirm DC node voltage:
- Measure the voltage across the resistor under nominal and worst-case supply conditions. Compare it with the original design expectation. Because RN60D4703FB14 may have ±1% tolerance instead of ±5%, divider output or bias voltage may shift closer to nominal.
Calculate resistor current:
- For a 470 kOhm resistor, current is usually low. For example, at 100 V across the resistor, current is approximately 0.213 mA and dissipation is approximately 21.3 mW. This is below 0.25 W, but derating and maximum working voltage still need review.
Check active-device input bias influence:
- In high-impedance nodes, input bias current of an op amp, comparator, ADC, or transistor leakage can create voltage error. A 100 nA leakage current through 470 kOhm produces about 47 mV of error. This effect remains after replacement and may dominate over resistor tolerance in some circuits.
Review maximum working voltage:
- Power dissipation may be acceptable while voltage rating is not. A 470 kOhm resistor can dissipate low power at high voltage, but the resistor’s maximum continuous working voltage and PCB creepage spacing must still be checked.
Evaluate Thermal Performance Changes with Vishay Dale RN60D4703FB14
Thermal validation should compare the actual resistor dissipation against the derated capability of the replacement. The rated 0.25 W value is usually specified under defined ambient conditions, and allowable power decreases as ambient temperature rises.
Recommended checks:
Calculate power under worst-case voltage:
Use P = V²/R. For example:
- 24 V across 470 kOhm gives about 1.23 mW.
- 120 V across 470 kOhm gives about 30.6 mW.
- 250 V across 470 kOhm gives about 133 mW.
Compare with derating:
- If the equipment operates at elevated ambient temperature, consult the RN60D4703FB14 derating curve. A resistor running at 133 mW may be acceptable at room temperature but less comfortable in a sealed enclosure with high board temperature.
Measure surface temperature:
- During prototype validation, measure the resistor body temperature using a thermocouple attached with minimal thermal loading or an infrared method corrected for coating emissivity. Compare readings before and after replacement under the same operating condition.
Check nearby heat sources:
- High-value resistors are often placed near optocouplers, transformers, MOSFETs, bleeder networks, or power entry circuits. A physically larger replacement may sit closer to hot components after lead forming, changing local temperature exposure.
Identify Waveform and Parameter Changes with Vishay Dale RN60D4703FB14
In DC circuits, replacement impact may appear only as a static voltage shift. In timing, filtering, and switching circuits, waveform behavior should also be checked.
Recommended checks:
RC timing verification:
- If RL07S474JB14 is part of an RC timing network, replacing ±5% with ±1% changes tolerance distribution. The nominal time constant remains the same, but production spread narrows. Measure charge/discharge timing at cold, room, and hot conditions when timing affects startup, reset, watchdog, or debounce behavior.
Startup and discharge waveform:
- If the resistor is used as a bleed or discharge path, observe the voltage decay curve with an oscilloscope or data logger. Confirm that discharge time still meets the required interval.
Noise and high-impedance node behavior:
- A 470 kOhm resistor contributes thermal noise and is sensitive to leakage paths. After replacement, check the node with the final PCB cleaning process, conformal coating if used, and expected humidity exposure.
Pulse or surge exposure:
- If the resistor is exposed to transient energy, such as input line events or capacitor discharge, review pulse overload ratings. Equal resistance and power rating do not guarantee equal pulse behavior.
Mechanical and Process Validation
Recommended checks:
Confirm lead spacing and forming:
- RN60D4703FB14 may not fit exactly like RL07S474JB14. Lead forming should avoid body stress and cracked coating.
Check solder profile compatibility:
- Through-hole soldering temperature and dwell time should follow the replacement part’s recommendations.
Inspect clearance and creepage:
- This matters when the 470 kOhm resistor is used across high-voltage nodes. A larger body can improve spacing in some layouts but may interfere with neighboring parts in compact assemblies.
Review coating and cleaning process:
- If the original design used RL07 moisture-resistant behavior, validate insulation resistance after board wash, humidity exposure, or conformal coating.
Procurement and Documentation Considerations for RL07S474JB14 Replacement
Component replacement is not complete until the BOM, compliance file, and production controls align with the selected substitute.
For Vishay Dale RL07S474J:
- Document it as a same-family equivalent only after confirming the suffix and ordering code with an authorized supplier or manufacturer data.
For Vishay Dale RN60D4703FB14:
- Document the tolerance improvement and package difference. Add a note that it is not the same RL07 series and requires mechanical and coating review.
For Vishay Dale CMF55470K00JKEA:
- Document the move from military RL07 to commercial CMF series. Confirm whether the higher power rating is useful under the application’s actual ambient temperature.
For Vishay MRS25000C4703FCT00:
- Document the RoHS compliance benefit and the difference in qualification basis. This is suitable for redesigns where compliance modernization is part of the change.
For Yageo MFR-25FBF52-470K and KOA Speer MF1/4DCT52R4703F:
- Document them as commercial alternatives. Use them where cost, supply, and standard electrical performance are the main decision factors.
Conclusion: Selecting the Best RL07S474JB14 Replacement
For the closest replacement to Vishay Dale RL07S474JB14, start with Vishay Dale RL07S474J and verify the exact suffix, packaging, and ordering configuration. This path best preserves the original RL07 family characteristics.
If the RL07 family is unavailable and the design still benefits from a Vishay Dale military-style axial metal film resistor, Vishay Dale RN60D4703FB14 is the strongest engineering alternative, provided the larger body, coating differences, derating, and qualification requirements are acceptable.
If the design is moving toward commercial production with more power margin, Vishay Dale CMF55470K00JKEA is a practical Vishay Dale substitute. If RoHS compliance and tighter precision are driving the change, Vishay MRS25000C4703FCT00 is often the better redesign choice. For general-purpose commercial repairs or cost-sensitive builds, Yageo MFR-25FBF52-470K and KOA Speer MF1/4DCT52R4703F can replace the 470 kOhm, 1/4 W electrical function where military, flame-retardant, and safety documentation are not required.
A reliable selection path is: preserve RL07 if certification or environmental behavior matters; choose RN60D4703FB14 if high-reliability electrical substitution is needed; choose MRS25 or CMF55 for commercial redesign; use Yageo or KOA alternatives only when the application is electrically simple and qualification constraints are limited.
