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Home > Products > Resistors > Chip Resistor - Surface Mount > MCR10ERTJ222
Rohm Semiconductor
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MCR10ERTJ222

Manufacturer Part Number:
MCR10ERTJ222
Manufacturer / Brand
Rohm Semiconductor
Part of Description:
RES SMD 2.2K OHM 5% 1/8W 0805
Datasheets:
MCR10ERTJ222.pdf
Lead Free Status / RoHS Status:
ROHS3 Compliant
Stock Condition:
New original, 623674 pcs Stock Available.
ECAD Model:
Ship From:
Hong Kong
Shipment Way:
DHL/Fedex/TNT/UPS

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Part Number MCR10ERTJ222
Manufacturer / Brand Rohm Semiconductor
Stock Quantity 623674 pcs Stock
Category Resistors > Chip Resistor - Surface Mount
Description RES SMD 2.2K OHM 5% 1/8W 0805
Lead Free Status / RoHS Status: ROHS3 Compliant
Tolerance ±5%
Temperature Coefficient ±200ppm/°C
Supplier Device Package 0805
Size / Dimension 0.079" L x 0.049" W (2.00mm x 1.25mm)
Series MCR
Resistance 2.2 kOhms
Power (Watts) 0.125W, 1/8W
Package / Case 0805 (2012 Metric)
Package Tape & Reel (TR)
Operating Temperature -55°C ~ 155°C
Number of Terminations 2
Height - Seated (Max) 0.026" (0.65mm)
Features -
Failure Rate -
Composition Thick Film

Packaging & ESD

Industry-standard static shielding packaging is used for electronic components.Anti-static, light-transparent materials allow easy identification of ICs and PCB assemblies.
The packaging structure provides electrostatic protection based on Faraday cage principles.This helps protect sensitive components from static discharge during handling and transportation.


All products are packed in ESD-safe anti-static packaging. Outer packaging labels include part number, brand, and quantity for clear identification. Goods are inspected prior to shipment to ensure proper condition and authenticity.

ESD protection is maintained throughout packing, handling, and global transportation. Secure packaging provides reliable sealing and resistance during transit. Additional cushioning materials are applied when required to protect sensitive components.

QC(Part Testing by IC Components)Quality Warranty

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Global Shipment by DHL/FedEx/TNT/UPS

Shipping Fees reference DHL/FedEx
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2). Use our account for shipment, Shipment charges(Reference DHL/FedEx, Different Countries has different price.)
Shipment charges： (Reference DHL and FedEX)
Weight(KG): 0.00kg-1.00kg Price(USD$) : USD$60.00
Weight(KG): 1.00kg-2.00kg Price(USD$) : USD$80.00
* The price of cost is reference with DHL/FedEx. The detail charges, please contact us. Different country the express charges are different.



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Frequently Asked Questions

For MCR10ERTJ222, how does this 2.2 kΩ resistor behave over its operating temperature range, and what resistance drift should I expect in a long-running circuit?
The MCR10ERTJ222 is specified for -55°C to 155°C operation with a temperature coefficient of ±200 ppm/°C. With a nominal resistance of 2.2 kΩ and a full-range ΔT of about 210°C, worst-case resistance drift can approach roughly 4% (on the order of tens of ohms, up to ~92 Ω) across the full temperature span. In practice, use this part for designs where resistance stability is acceptable within that drift window, and consider selecting a lower-TCR option or adding calibration/compensation if tighter stability is required.
When using the MCR10ERTJ222 in a voltage divider or signal path, what is the maximum working voltage I should not exceed, and how should I verify safe operation?
The maximum working voltage for MCR10ERTJ222 is defined in Rohm’s datasheet for the MCR series; the specific value is not stated here. To ensure safe operation, calculate the voltage across the resistor and verify it stays below that Vmax while also keeping dissipation under 0.125 W (the part’s power rating). For a simple case, at room temperature P ≈ V^2/R, so the voltage that yields P = 0.125 W for R = 2.2 kΩ is about 16.6 V. In higher-temperature environments, resistance increases due to TCR, which reduces allowable voltage. Always cross-check the exact Vmax in the official MCR10ERTJ222 datasheet and apply derating for ambient temperature and airflow.
If I need to source a replacement for MCR10ERTJ222 due to supply constraints, what are reliable cross-refs or substitutes, and what practical differences should I expect?
Substitutes include RC0805JR-072K2L, ERJ-P06J222V, RMCF0805JT2K20, RMCF0805FT2K20, CRCW08052K20JNEA, among others. When migrating to these parts, expect potential differences in temperature coefficient, tolerance, and power derating, even though the footprint remains 0805 (2012 metric). Verify the exact TCR, tolerance, and lead finish, and ensure the replacement fits the same PCB footprint and reflow process. The MCR10ERTJ222’s -55 to 155°C range and 0.125 W rating should be preserved or compensated for in the new part.
Is the MCR10ERTJ222 suitable for automotive or long-term industrial use, and what boundaries should guide my design choices?
The MCR10ERTJ222 is RoHS3 compliant and offers MSL 1 (unlimited), but there is no indication of AEC-Q automotive qualification or MIL-grade reliability in the provided data. For automotive or space/rail applications requiring proven long-term reliability or specific automotive standards, treat MCR10ERTJ222 as a general-purpose resistor and evaluate if you need an automotive-grade or space-grade part with appropriate qualification, process controls, and extended temperature/rate reliability. If automotive or high-reliability is required, select a part with explicit AEC-Q qualification or applicable space standards and plan for additional screening or burn-in.
In a precision sensor or timing circuit, how does the 5% tolerance of MCR10ERTJ222 impact performance, and what design strategies can mitigate that variation?
A 5% tolerance means nominally 2.2 kΩ could vary between about 2.09 kΩ and 2.31 kΩ. In RC timing or gain-setting networks, that tolerance shifts corner frequencies and gain by a non-negligible amount. Mitigation strategies include using a resistor network with paired or matched values, trimming or calibration in software/firmware, or designing the circuit to set a known ratio using multiple resistors in series/parallel to reduce effective tolerance. If tighter tolerance is needed, consider a resistor with a lower tolerance (e.g., 1% or 0.5%) and verify the thermal drift in the operating range.
How should I evaluate the MCR10ERTJ222’s power dissipation and derating in a real PCB environment, and what practical guidelines apply?
The part is rated at 0.125 W (1/8 W). Use P = V^2 / R to estimate dissipation for the node across the resistor, and apply derating for ambient temperature. For example, at room temperature the threshold across a 2.2 kΩ resistor to reach 0.125 W is roughly 16.6 V; at higher ambient temperatures, the effective resistance increases due to TCR, so the safe voltage reduces. Design with margin for worst-case ambient temperature, and ensure the actual operating voltage and resulting current keep the resistor well within its 0.125 W rating under all expected conditions.
Are there any notable high-frequency or RF considerations when using MCR10ERTJ222 in signal paths or as part of an RC filter network?
Thick-film 0805 resistors like MCR10ERTJ222 have parasitics (notably capacitance and inductance) that can affect high-frequency behavior. For RF or high-speed timing applications, these parasitics can shift filter characteristics or introduce impedance mismatches. In such cases, verify the parasitics provided in the datasheet and perform a parasitic-aware circuit analysis or use precision, RF-specific resistor options if the application demands very predictable high-frequency performance.
What PCB footprint and assembly considerations should I follow when using MCR10ERTJ222 in an 0805 (2012 metric) package to ensure reliable soldering and mechanical robustness?
The MCR10ERTJ222 uses the standard 0805 (2012 metric) footprint and termination style. Use an IPC-compliant 0805 land pattern and follow typical reflow soldering guidelines for thick-film SMD resistors. Ensure good solder fillets at both terminations, adequate paste deposition for any reflow rework, and appropriate solder-mask spacing to avoid bridging. Maintain proper thermal relief if the resistor sits on a thermally sensitive plane, and verify that the pad sizes and spacing match the 0805 footprint to minimize tombstoning or skew during soldering. The 0805 size helps mechanical robustness in typical mounted conditions, but always validate with your actual board fabrication process and reflow profile. The model MCR10ERTJ222 should fit this footprint without layout changes, provided the PCB uses a standard 0805 land pattern.

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MCR10ERTJ222

MCR10ERTJ222

Rohm Semiconductor

RES SMD 2.2K OHM 5% 1/8W 0805

In Stock: 623674

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