MIL-SPEC · Electronic Components
RW21V121
Resistor, Fixed, Wire Wound, Induct
Part NumberRW21V121
ManufacturerMIL-SPEC
AvailabilityAvailable to order — request a quote
Specifications
NSN5905-00-646-5921 (NSN)
Federal Item NameRESISTOR,FIXED,WIRE WOUND,INDUCT
Federal Supply Class5905 — Resistors
Terminal TypeTAB, SOLDER LUG
Reliability IndicatorNOT ESTABLISHED
Power Dissipation Rating In Watts31.000 FREE AIR
Inclosure TypeENCAPSULATED
Body Length2.719 INCHES MINIMUM AND 2.781 INCHES MAXIMUM
Distance Between Centerlines Of Mo1.938 INCHES MINIMUM AND 2.062 INCHES MAXIMUM
Terminal Width0.172 INCHES MINIMUM AND 0.265 INCHES MAXIMUM
Body Width1.187 INCHES MAXIMUM
Mounting Hole Size0.146 INCHES MINIMUM AND 0.246 INCHES MAXIMUM
Terminal Length0.406 INCHES MINIMUM AND 0.468 INCHES MAXIMUM
Ambient Temp At Full Rated Power25.0 CELSIUS
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 RW21V121 available?
We can source RW21V121 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 RW21V121 by MIL-SPEC obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If RW21V121 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 RW21V121?
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 RW21V121?
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.