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Home > Products > Resistors > Through Hole Resistors > CMF55499R00BEEK
Vishay Dale
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CMF55499R00BEEK

In Stock 29319 pcs Reference Price(In US Dollars)
1+
$3.4225
200+
$1.3252
500+
$1.2779
1000+
$1.255
Manufacturer Part Number:
CMF55499R00BEEK
Manufacturer / Brand
Vishay Dale
Part of Description:
RES 499 OHM 1/2W .1% AXIAL
Datasheets:
Lead Free Status / RoHS Status:
ROHS3 Compliant
Stock Condition:
New original, 29319 pcs Stock Available.
ECAD Model:
Ship From:
Hong Kong
Shipment Way:
DHL/Fedex/TNT/UPS

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Part Number CMF55499R00BEEK
Manufacturer / Brand Vishay Dale
Stock Quantity 29319 pcs Stock
Category Resistors > Through Hole Resistors
Description RES 499 OHM 1/2W .1% AXIAL
Lead Free Status / RoHS Status: ROHS3 Compliant
Tolerance ±0.1%
Temperature Coefficient ±25ppm/°C
Supplier Device Package Axial
Size / Dimension 0.090' Dia x 0.240' L (2.29mm x 6.10mm)
Series CMF
Resistance 499 Ohms
Power (Watts) 0.5W, 1/2W
Package / Case Axial
Package Bulk
Operating Temperature -55°C ~ 175°C
Number of Terminations 2
Height - Seated (Max) -
Features Flame Retardant Coating, Moisture Resistant, Safety
Failure Rate -
Composition Metal Film
Base Product Number CMF55

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

We can offer worldwide express delivery service, such as DHLor FedEx or TNT or UPS or other forwarder for shipment.

Global Shipment by DHL/FedEx/TNT/UPS

Shipping Fees reference DHL/FedEx
1). You can offer your express delivery account for shipment, ifyou haven’t any express account for shipment, we can offer our account inadvance.
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.



We accept the payment terms: Telegraphic Transfer(T/T), Credit Card, PayPal and Western Union.

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PayPal Bank Information:
Company Name : IC COMPONENTS LTD
Paypal ID: Info@IC-Components.com

BANK TRANSFAR (Telegraphic Transfer)

Payment For Telegraphic Transfers:
Company Name : IC COMPONENTS LTD Beneficiary Account Number : 549-100669-701
Beneficiary Bank name : Bank of Communications (Hong Kong) Ltd Beneficiary Bank Code : 382 (for local payment)
Beneficiary Bank SWIFT : COMMHKHK
Beneficiary Bank Address : Tsuen Wan Market Street Branch 53 Market Street, Tsuen Wan N.T., Hong Kong

Any inquires or questions, please kindly contact us Email: Info@IC-Components.com


Frequently Asked Questions

Can CMF55499R00BEEK be used as a precision pull-up or feedback resistor in low-drift analog circuits?
CMF55499R00BEEK is a good fit for precision analog biasing, pull-up networks, and feedback paths where a 499 ohm value with ±0.1% tolerance and ±25 ppm/°C drift helps keep gain and offset variation controlled. In CMF55499R00BEEK, the metal film construction also supports low noise and stable long-term behavior compared with generic thick-film parts.
What power derating should be considered when using CMF55499R00BEEK in a continuously energized design?
CMF55499R00BEEK is rated at 0.5 W, but continuous operation should be evaluated at the actual ambient temperature, board airflow, and spacing around the resistor. In CMF55499R00BEEK designs, leaving thermal margin is common when the part is placed near heat sources or when the circuit sees elevated enclosure temperatures.
Is CMF55499R00BEEK suitable for high-temperature industrial equipment?
CMF55499R00BEEK is specified for -55 C to 175 C operation, which makes it suitable for many industrial and harsh-environment assemblies. For CMF55499R00BEEK in sealed enclosures, the practical limit is usually set by self-heating, nearby component temperature, and lead solder-joint reliability rather than the resistor body rating alone.
Can CMF55499R00BEEK replace a standard 499 ohm resistor in a redesign without layout changes?
CMF55499R00BEEK can often replace a generic 499 ohm through-hole resistor if the PCB supports an axial leaded footprint and the required tolerance, drift, and power rating are compatible. The main layout consideration for CMF55499R00BEEK is lead spacing and body length, so mechanical fit should be checked before assuming direct substitution.
When is CMF55499R00BEEK a better choice than a lower-cost carbon or thick-film resistor?
CMF55499R00BEEK is better suited when circuit accuracy, temperature stability, and long-term repeatability matter more than minimum cost. Compared with generic alternatives, CMF55499R00BEEK is less likely to introduce value shift from temperature cycling or noise in sensitive analog paths.
Can CMF55499R00BEEK be used in environments with humidity or moisture exposure?
CMF55499R00BEEK includes a moisture-resistant, flame-retardant coating, which helps it survive humid or condensation-prone conditions better than unprotected axial resistors. In CMF55499R00BEEK applications, the surrounding assembly still needs proper conformal coating, spacing, and cleaning practices if long-term moisture exposure is expected.
What should be checked before using CMF55499R00BEEK as a substitute for RNF12BTE499R?
CMF55499R00BEEK and RNF12BTE499R both serve as precision 499 ohm options, but the substitution should be checked for power rating, tolerance, temperature coefficient, package style, and lead geometry. If CMF55499R00BEEK is used instead of RNF12BTE499R, verify axial dimensions, mounting method, and any pulse or surge requirements from the original design.
Is CMF55499R00BEEK appropriate for circuits that see transient surges or pulse loading?
CMF55499R00BEEK can handle moderate steady-state dissipation, but pulse or surge behavior should be reviewed separately because the limiting factor may be instantaneous energy rather than average wattage. For CMF55499R00BEEK, designs with inrush, inductive kick, or repetitive pulses usually need a pulse-energy check against the actual waveform and duty cycle.

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CMF55499R00BEEK

CMF55499R00BEEK

Vishay Dale

RES 499 OHM 1/2W .1% AXIAL

In Stock: 29319

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