MIL-SPEC · Electronic Components
RB15K21R50F
Resistor, Fixed, Wire Wound
Part NumberRB15K21R50F
ManufacturerMIL-SPEC
AvailabilityAvailable to order — request a quote
Specifications
NSN5905-00-236-3807 (NSN)
Federal Item NameRESISTOR,FIXED,WIRE WOUND
Federal Supply Class5905 — Resistors
Style DesignatorRADIAL TERMINAL EACH END
Ambient Temp In Deg Celsius At Zer85.0
Terminal TypeTAB, SOLDER LUG
Terminal Length0.375 INCHES NOMINAL
Body Diameter0.625 INCHES NOMINAL
Body Length0.438 INCHES NOMINAL
Power Dissipation Rating In Watts0.250 FREE AIR
Ambient Temp At Full Rated Power105.0 CELSIUS
Electrical Resistance21.500 OHMS
Resistance Tolerance In Percent-1.000 TO 1.000
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 RB15K21R50F available?
We can source RB15K21R50F 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 RB15K21R50F by MIL-SPEC obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If RB15K21R50F 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 RB15K21R50F?
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 RB15K21R50F?
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.