MIL-SPEC · Electronic Components
RER75FR221R
Resistor, Fixed, Wire Wound, Induct
Part NumberRER75FR221R
ManufacturerMIL-SPEC
AvailabilityAvailable to order — request a quote
Specifications
NSN5905-00-506-6408 (NSN)
Federal Item NameRESISTOR,FIXED,WIRE WOUND,INDUCT
Federal Supply Class5905 — Resistors
Distance Between Centerlines Of Mo0.844 INCHES NOMINAL0.844 INCHES NOMINAL
Body Length1.938 INCHES NOMINAL1.938 INCHES NOMINAL
Power Dissipation Rating In Watts30.000 HEAT SINK30.000 HEAT SINK
Ambient Temp At Full Rated Power25.0 CELSIUS25.0 CELSIUS
Terminal TypeTAB, SOLDER LUGTAB, SOLDER LUG
Heat Sink Height2.000 INCHES2.000 INCHES
Terminal Length0.438 INCHES NOMINAL0.438 INCHES NOMINAL
Heat Sink Thickness0.040 INCHES0.040 INCHES
MaterialALUMINUM ALLOY HEAT SINK
Body Width0.594 INCHES NOMINAL0.594 INCHES NOMINAL
Ambient Temp In Deg Celsius At Zer275.0275.0
Cancelled NSN5905-01-103-7529 (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 RER75FR221R available?
We can source RER75FR221R 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 RER75FR221R by MIL-SPEC obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If RER75FR221R 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 RER75FR221R?
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 RER75FR221R?
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.