MIL-SPEC · Electronic Components
RBR57L49900FR
Resistor, Fixed, Wire Wound
Part NumberRBR57L49900FR
ManufacturerMIL-SPEC
AvailabilityAvailable to order — request a quote
Specifications
NSN5905-00-165-3194 (NSN)
Federal Item NameRESISTOR,FIXED,WIRE WOUND
Federal Supply Class5905 — Resistors
Body Diameter0.485 INCHES MINIMUM AND 0.515 INCHES MAXIMUM
Reliability Failure Rate Level In0.010
Terminal TypeWIRE LEAD
Ambient Temp In Deg Celsius At Zer145.0
Body Length0.968 INCHES MINIMUM AND 1.020 INCHES MAXIMUM
Reliability IndicatorESTABLISHED
Temp Range Of Temp Coefficient In-65.0 TO 145.0
Ambient Temp At Full Rated Power125.0 CELSIUS
Test Data Document81349-MIL-R-39005 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DA
Power Dissipation Rating In Watts0.750 FREE AIR
Cubic Measure0.196 CUBIC INCHES
Cancelled NSN5905-00-108-4427 (cancelled)
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 RBR57L49900FR available?
We can source RBR57L49900FR 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 RBR57L49900FR by MIL-SPEC obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If RBR57L49900FR 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 RBR57L49900FR?
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 RBR57L49900FR?
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.