MIL-SPEC · Electronic Components
RER50F2491R
Resistor, Fixed, Wire Wound, Nonind
Part NumberRER50F2491R
ManufacturerMIL-SPEC
AvailabilityAvailable to order — request a quote
Specifications
NSN5905-01-092-2780 (NSN)
Federal Item NameRESISTOR,FIXED,WIRE WOUND,NONIND
Federal Supply Class5905 — Resistors
Temp Range Of Temp Coefficient In-55.0 TO 275.0
Power Dissipation Rating In Watts8.000 FREE AIR
Terminal Length0.438 INCHES NOMINAL
Body Width0.531 INCHES NOMINAL
Body Length1.062 INCHES NOMINAL
Test Data Document81349-MIL-R-39009 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DA
Reliability Failure Rate Level In0.010
Ambient Temp At Full Rated Power25.0 CELSIUS
Distance Between Centerlines Of Mo0.719 INCHES NOMINAL
Inclosure TypeENCASED
Mounting Hole Size0.125 INCHES NOMINAL
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 RER50F2491R available?
We can source RER50F2491R 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 RER50F2491R by MIL-SPEC obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If RER50F2491R 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 RER50F2491R?
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 RER50F2491R?
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.