MIL-SPEC · Electronic Components
RBR56L77700QR
Resistor, Fixed, Wire Wound
Part NumberRBR56L77700QR
ManufacturerMIL-SPEC
AvailabilityAvailable to order — request a quote
Specifications
NSN5905-01-101-0687 (NSN)
Federal Item NameRESISTOR,FIXED,WIRE WOUND
Federal Supply Class5905 — Resistors
Resistance Tolerance In Percent-0.020 TO 0.020
Temp Range Of Temp Coefficient In-65.0 TO 145.0
Ambient Temp In Deg Celsius At Zer145.0
Body Diameter0.250 INCHES NOMINAL
Reliability IndicatorESTABLISHED
Body Length0.344 INCHES NOMINAL
Power Dissipation Rating In Watts0.125 FREE AIR
Inclosure TypeENCAPSULATED
Ambient Temp At Full Rated Power125.0 CELSIUS
Terminal TypeWIRE LEAD
Reliability Failure Rate Level In0.010
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 RBR56L77700QR available?
We can source RBR56L77700QR 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 RBR56L77700QR by MIL-SPEC obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If RBR56L77700QR 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 RBR56L77700QR?
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 RBR56L77700QR?
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.