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MIL-SPEC  · Electronic Components

RWR80N4R42FS

Resistor, Fixed, Wire Wound, Nonind

Part NumberRWR80N4R42FS
ManufacturerMIL-SPEC
AvailabilityAvailable to order — request a quote

Specifications

Federal Item NameRESISTOR,FIXED,WIRE WOUND,NONIND
Federal Supply Class5905 — Resistors
Electrical Resistance4.420 OHMS
Ambient Temp In Deg Celsius At Zer275.0
Body Length0.375 INCHES MINIMUM AND 0.437 INCHES MAXIMUM
Power Dissipation Rating In Watts2.000 FREE AIR
Terminal TypeWIRE LEAD
Reliability Failure Rate Level In0.001
Inclosure TypeENCAPSULATED
Ambient Temp At Full Rated Power25.0 CELSIUS
Reliability IndicatorESTABLISHED
Body Diameter0.063 INCHES MINIMUM AND 0.125 INCHES MAXIMUM
Style DesignatorAXIAL TERMINAL EACH END
ESD/EMICode A — ESD/EMI sensitive item
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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

Frequently asked

Is RWR80N4R42FS available?
We can source RWR80N4R42FS 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 RWR80N4R42FS by MIL-SPEC obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If RWR80N4R42FS 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 RWR80N4R42FS?
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 RWR80N4R42FS?
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.