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Technical Data Sheet
RWR81SR931FR ✓ Verified by PartsTable
· MRO · MRO_GENERAL
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

RESISTOR,FIXED,WIRE WOUND,INDUCT. Key specifications include body_length: 0.250 INCHES NOMINAL IN, body_diameter: 0.085 INCHES NOMINAL IN, terminal_type: WIRE LEAD, inclosure_type: ENCAPSULATED, terminal_length: 1.500 INCHES MINIMUM IN, style_designator: AXIAL TERMINAL EACH END. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5905-01-545-8180, 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
MRO MRO_GENERAL RWR81SR931FR
NSN: 5905-01-545-8180
FSC: 5905
CAGE: 91637 — VISHAY DALE ELECTRONICS, LLC DIV VISHAY AMERICAS (USA)
SPECIFICATIONS
body_length0.250 INCHES NOMINAL IN
body_diameter0.085 INCHES NOMINAL IN
terminal_typeWIRE LEAD
inclosure_typeENCAPSULATED
terminal_length1.500 INCHES MINIMUM IN
style_designatorAXIAL TERMINAL EACH END
electrical_resistance0.931 OHMS
reliability_indicatorESTABLISHED
end_item_identificationANALOG CARD, A1, A2
reactance_characteristicINDUCTIVE
resistance_tolerance_in_percent-1.000 TO 1.000
ambient_temp_at_full_rated_power25.0 CELSIUS DEGC
NSN5905-01-545-8180
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available RESISTOR,FIXED,WIRE WOUND,INDUCT TITLE COMPONENT PN RWR81SR931FR MFR RESISTOR,FIXED,WIRE WO
KEY FEATURES
TEMP COEFFICIENT OF RESISTANCE IN PPM PER DEG CELSIUS: +0.0 TO 400.0
AMBIENT TEMP IN DEG CELSIUS AT ZERO PERCENT RATED POWER: 250.0
TERMINAL TYPE: WIRE LEAD
REACTANCE CHARACTERISTIC: INDUCTIVE
INCLOSURE TYPE: ENCAPSULATED
AMBIENT TEMP AT FULL RATED POWER: 25.0 CELSIUS DEGC
BODY LENGTH: 0.250 INCHES NOMINAL IN
RELIABILITY INDICATOR: ESTABLISHED
TECHNICAL CHARACTERISTICS (FLIS)
TEMP COEFFICIENT OF RESISTANCE IN PPM PER DEG CELSIUS+0.0 TO 400.0
AMBIENT TEMP IN DEG CELSIUS AT ZERO PERCENT RATED POWER250.0
TERMINAL TYPEWIRE LEAD
REACTANCE CHARACTERISTICINDUCTIVE
INCLOSURE TYPEENCAPSULATED
AMBIENT TEMP AT FULL RATED POWER25.0 CELSIUS DEGC
BODY LENGTH0.250 INCHES NOMINAL IN
RELIABILITY INDICATORESTABLISHED
RELIABILITY FAILURE RATE LEVEL IN PERCENT0.010
END ITEM IDENTIFICATIONANALOG CARD, A1, A2
VERIFIED SUBSTITUTES & CROSS-REFERENCES 7
RWR74SR220FRInterchangeable
interchangeable cross-reference
interchangeable
RWR74SR221FRInterchangeable
interchangeable cross-reference
interchangeable
MIL-PRF-39007/8Interchangeable
interchangeable cross-reference
interchangeable
MIL-PRF-39007/JInterchangeable
interchangeable cross-reference
interchangeable
RWR80S3R00BRInterchangeable
interchangeable cross-reference
interchangeable
MIL-PRF-39007JInterchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is RWR81SR931FR?
RWR81SR931FR is a RESISTOR,FIXED,WIRE WOUND,INDUCT. It is classified as a MRO (MRO_GENERAL).
What parts can replace RWR81SR931FR?
There are 7 known substitutes for RWR81SR931FR: RWR74SR220FR, RWR74SR221FR, MIL-PRF-39007/8 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for RWR81SR931FR?
RWR81SR931FR is cataloged in the Federal Logistics Information System (FLIS) under NSN 5905-01-545-8180. This indicates validated use in U.S. government and defense supply chains.
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