MIL-SPEC · Electronic Components
RBR52L77R50BR
Resistor, Fixed, Wire Wound
Part NumberRBR52L77R50BR
ManufacturerMIL-SPEC
AvailabilityAvailable to order — request a quote
Specifications
NSN5905-00-172-4744 (NSN)
Federal Item NameRESISTOR,FIXED,WIRE WOUND
Federal Supply Class5905 — Resistors
Temp Coefficient Of Resistance In-15.0 TO 15.0
Style DesignatorAXIAL TERMINAL EACH END
Temp Range Of Temp Coefficient In-65.0 TO 145.0
Ambient Temp In Deg Celsius At Zer145.0
Test Data Document81349-MIL-R-39005 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DA
Power Dissipation Rating In Watts0.500 FREE AIR
Body Diameter0.375 INCHES NOMINAL
Body Length1.000 INCHES NOMINAL
Ambient Temp At Full Rated Power125.0 CELSIUS
Terminal Length1.500 INCHES MINIMUM
Reliability IndicatorESTABLISHED
ESD/EMICode B — 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 RBR52L77R50BR available?
We can source RBR52L77R50BR 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 RBR52L77R50BR by MIL-SPEC obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If RBR52L77R50BR 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 RBR52L77R50BR?
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 RBR52L77R50BR?
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.