MIL-SPEC · Electronic Components
RWR81S12R1FS
Resistor, Fixed, Wire Wound, Induct
Part NumberRWR81S12R1FS
ManufacturerMIL-SPEC
AvailabilityAvailable to order — request a quote
Specifications
NSN5905-01-174-3377 (NSN)
Federal Item NameRESISTOR,FIXED,WIRE WOUND,INDUCT
Federal Supply Class5905 — Resistors
Temp Range Of Temp Coefficient In-55.0 TO 275.0
Terminal Length1.500 INCHES MINIMUM
Inclosure TypeENCAPSULATED
Reliability Failure Rate Level In0.001
Ambient Temp At Full Rated Power25.0 CELSIUS
Cubic Measure0.002 CUBIC INCHES
Body Length0.219 INCHES MINIMUM AND 0.281 INCHES MAXIMUM
Reliability IndicatorESTABLISHED
Terminal TypeWIRE LEAD
Power Dissipation Rating In Watts1.000 FREE AIR
Body Diameter0.065 INCHES MINIMUM AND 0.105 INCHES MAXIMUM
Cancelled NSN5905-00-141-1361 (cancelled)
ESD/EMICode A — ESD/EMI sensitive item
RH Electronics, Inc. — independent stocking distributor since 1982.
Every shipment inspected on receipt · ISO 9001:2015 · ANSI/ESD S20.20 · ERAI member since 1998 · GIDEP participant
Every shipment inspected on receipt · ISO 9001:2015 · ANSI/ESD S20.20 · ERAI member since 1998 · GIDEP participant
Frequently asked
Is RWR81S12R1FS available?
We can source RWR81S12R1FS even if it isn't in our active stock list. As an independent distributor we reach inventory outside the franchise channel — including hard-to-find and obsolete parts. Send us a quote request.
Is RWR81S12R1FS by MIL-SPEC obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If RWR81S12R1FS has been discontinued, we can often source remaining stock or qualified alternates. Contact us with your quantity and target date.
How does RH Electronics verify parts like RWR81S12R1FS?
Every incoming shipment is inspected under our ISO 9001:2015 quality system — documentation, markings, and construction checked against known-good references. For deeper analysis, we direct work through accredited independent labs. We've been an ERAI member since 1998 and a GIDEP participant.
Can you find a cross-reference or alternate for RWR81S12R1FS?
Yes. Our team reads part numbers the way they were designed — decoding family, speed, temperature grade, package, and reliability level — to identify acceptable alternates when the exact part isn't available. Submit a quote request and we'll advise.