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Technical Data Sheet
RWR78S1212FM ✓ 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: 1.780 INCHES NOMINAL IN, body_diameter: 0.375 INCHES NOMINAL IN, cubic_measure: 0.196 CUBIC INCHES, terminal_type: WIRE LEAD, inclosure_type: ENCAPSULATED, terminal_length: 1.500 INCHES MINIMUM IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5905-01-026-9106, 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 RWR78S1212FM
NSN: 5905-01-026-9106
FSC: 5905
CAGE: 81349 — MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
body_length1.780 INCHES NOMINAL IN
body_diameter0.375 INCHES NOMINAL IN
cubic_measure0.196 CUBIC INCHES
terminal_typeWIRE LEAD
inclosure_typeENCAPSULATED
terminal_length1.500 INCHES MINIMUM IN
style_designatorAXIAL TERMINAL EACH END
electrical_resistance12.100 KILOHMS
reliability_indicatorESTABLISHED
unpackaged_unit_weight13.000 GRAMS G
specification/standard_data81349-MIL-R-39007/7 GOVERNMENT SPECIFICATION
resistance_tolerance_in_percent-1.000 TO 1.000
NSN5905-01-026-9106
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available RESISTOR,FIXED,WIRE WOUND,INDUCT TITLE COMPONENT PN RWR78S1212FM MFR RESISTOR,FIXED,WIRE WO
KEY FEATURES
TEMP COEFFICIENT OF RESISTANCE IN PPM PER DEG CELSIUS: -20.0 TO 20.0
POWER DISSIPATION RATING IN WATTS: 10.000 FREE AIR
RELIABILITY FAILURE RATE LEVEL IN PERCENT: 0.010
TERMINAL LENGTH: 1.500 INCHES MINIMUM IN
RELIABILITY INDICATOR: ESTABLISHED
INCLOSURE TYPE: ENCAPSULATED
AMBIENT TEMP IN DEG CELSIUS AT ZERO PERCENT RATED POWER: 275.0
BODY DIAMETER: 0.375 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
TEMP COEFFICIENT OF RESISTANCE IN PPM PER DEG CELSIUS-20.0 TO 20.0
POWER DISSIPATION RATING IN WATTS10.000 FREE AIR
RELIABILITY FAILURE RATE LEVEL IN PERCENT0.010
TERMINAL LENGTH1.500 INCHES MINIMUM IN
RELIABILITY INDICATORESTABLISHED
INCLOSURE TYPEENCAPSULATED
AMBIENT TEMP IN DEG CELSIUS AT ZERO PERCENT RATED POWER275.0
BODY DIAMETER0.375 INCHES NOMINAL IN
TERMINAL TYPEWIRE LEAD
AMBIENT TEMP AT FULL RATED POWER25.0 CELSIUS DEGC
VERIFIED SUBSTITUTES & CROSS-REFERENCES 5
4856Interchangeable
interchangeable cross-reference
interchangeable
90J12KInterchangeable
interchangeable cross-reference
interchangeable
RWR78S1212FMInterchangeable
interchangeable cross-reference
interchangeable
MILR39007Interchangeable
Same NIIN cross-reference
interchangeable
RWR78S1212FRInterchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is RWR78S1212FM?
RWR78S1212FM is a RESISTOR,FIXED,WIRE WOUND,INDUCT. It is classified as a MRO (MRO_GENERAL).
What parts can replace RWR78S1212FM?
There are 5 known substitutes for RWR78S1212FM: 4856, 90J12K, RWR78S1212FM and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for RWR78S1212FM?
RWR78S1212FM is cataloged in the Federal Logistics Information System (FLIS) under NSN 5905-01-026-9106. This indicates validated use in U.S. government and defense supply chains.
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