MIL-SPEC · Electronic Components
RB17CER4990F
Resistor, Fixed, Wire Wound
Part NumberRB17CER4990F
ManufacturerMIL-SPEC
AvailabilityAvailable to order — request a quote
Specifications
NSN5905-00-815-2452 (NSN)
Federal Item NameRESISTOR,FIXED,WIRE WOUND
Federal Supply Class5905 — Resistors
Resistance Tolerance In Percent-1.000 TO 1.000
Test Data Document81349-MIL-R-93 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA
Style DesignatorRADIAL TERMINAL EACH END
Ambient Temp In Deg Celsius At Zer145.0
Power Dissipation Rating In Watts0.500 FREE AIR
Body Diameter0.562 INCHES NOMINAL
Body Length1.000 INCHES NOMINAL
Terminal Length0.375 INCHES NOMINAL
Temp Range Of Temp Coefficient In-65.0 TO 145.0
Terminal TypeTAB, SOLDER LUG
Ambient Temp At Full Rated Power125.0 CELSIUS
Cancelled NSN5905-00-188-8716 (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 RB17CER4990F available?
We can source RB17CER4990F 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 RB17CER4990F by MIL-SPEC obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If RB17CER4990F 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 RB17CER4990F?
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 RB17CER4990F?
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.