MIL-SPEC · Electronic Components
RBR53L20481AR
Resistor, Fixed, Wire Wound
Part NumberRBR53L20481AR
ManufacturerMIL-SPEC
AvailabilityAvailable to order — request a quote
Specifications
NSN5905-01-445-2285 (NSN)
Federal Item NameRESISTOR,FIXED,WIRE WOUND
Federal Supply Class5905 — Resistors
Electrical Resistance20.480 KILOHMS
Inclosure TypeENCAPSULATED
Power Dissipation Rating In Watts0.333 FREE AIR
Reliability Failure Rate Level In0.010
Reliability IndicatorESTABLISHED
Ambient Temp At Full Rated Power125.0 CELSIUS
Body Length0.718 INCHES MINIMUM AND 0.770 INCHES MAXIMUM
Ambient Temp In Deg Celsius At Zer145.0
Terminal TypeWIRE LEAD
Body Diameter0.360 INCHES MINIMUM AND 0.390 INCHES MAXIMUM
Resistance Tolerance In Percent-0.050 TO 0.050
Cancelled NSN5905-01-094-1839 (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 RBR53L20481AR available?
We can source RBR53L20481AR 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 RBR53L20481AR by MIL-SPEC obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If RBR53L20481AR 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 RBR53L20481AR?
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 RBR53L20481AR?
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.