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Technical Data Sheet
MFR5 120K 2% .5W ✓ Verified by PartsTable
· COMPONENT
WHAT YOU NEED TO KNOW
Verify manufacturer and server generation compatibility Check if Option PN or Spare PN — same part, different channel
Confirm exact part number — similar PNs may be different parts
PRODUCT OVERVIEW

The MFR5 120K 2% .5W is a the manufacturer industrial component. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5905-01-239-8215, indicating validated use in U.S. government and defense logistics supply chains.

Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels. Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
MFR5 120K 2% .5W
NSN: 5905-01-239-8215
FSC: 5905
CAGE: U1395 — WELWYN COMPONENTS LTD (GBR)
SPECIFICATIONS
Part NumberMFR5 120K 2% .5W
NSN5905-01-239-8215
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available MFR5 120K 2% .5W TITLE COMPONENT PN MFR5 120K 2% .5W MFR MFR5 120K 2% .5W
KEY FEATURES
TEMP COEFFICIENT OF RESISTANCE IN PPM PER DEG CELSIUS: -100.0 TO 100.0
SPECIFICATION/STANDARD DATA: 81349-MIL-R-39017/2 GOVERNMENT SPECIFICATION
UNPACKAGED UNIT WEIGHT: 0.750 GRAMS G
TEST DATA DOCUMENT: 81349-MIL-R-39017 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).
STYLE DESIGNATOR: AXIAL TERMINAL EACH END
AMBIENT TEMP IN DEG CELSIUS AT ZERO PERCENT RATED POWER: 150.0
TEMP RANGE OF TEMP COEFFICIENT IN DEG CELSIUS: -55.0 TO 150.0
ELECTRICAL RESISTANCE: 120.000 KILOHMS
TECHNICAL CHARACTERISTICS (FLIS)
TEMP COEFFICIENT OF RESISTANCE IN PPM PER DEG CELSIUS-100.0 TO 100.0
SPECIFICATION/STANDARD DATA81349-MIL-R-39017/2 GOVERNMENT SPECIFICATION
UNPACKAGED UNIT WEIGHT0.750 GRAMS G
TEST DATA DOCUMENT81349-MIL-R-39017 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).
STYLE DESIGNATORAXIAL TERMINAL EACH END
AMBIENT TEMP IN DEG CELSIUS AT ZERO PERCENT RATED POWER150.0
TEMP RANGE OF TEMP COEFFICIENT IN DEG CELSIUS-55.0 TO 150.0
ELECTRICAL RESISTANCE120.000 KILOHMS
RELIABILITY FAILURE RATE LEVEL IN PERCENT0.001
TERMINAL LENGTH1.500 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 15
RD20Interchangeable
interchangeable cross-reference
interchangeable
RL20S124GInterchangeable
interchangeable cross-reference
interchangeable
RLR20C124GRInterchangeable
interchangeable cross-reference
interchangeable
4171590-531Interchangeable
interchangeable cross-reference
interchangeable
MIL-C-39017/2Interchangeable
interchangeable cross-reference
interchangeable
RLR20C1203GMInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MFR5 120K 2% .5W?
MFR5 120K 2% .5W is a MFR5 120K 2% .5W.
What parts can replace MFR5 120K 2% .5W?
There are 15 known substitutes for MFR5 120K 2% .5W: RD20, RL20S124G, RLR20C124GR and 12 more. Substitute compatibility should be verified for your specific system.
Is MFR5 120K 2% .5W still available?
MFR5 120K 2% .5W is currently cancelled.
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