MIL-SPEC · Electronic Components
RBR55L58R30BR
Resistor, Fixed, Wire Wound
Part NumberRBR55L58R30BR
ManufacturerMIL-SPEC
AvailabilityAvailable to order — request a quote
Specifications
NSN5905-00-194-7956 (NSN)
Federal Item NameRESISTOR,FIXED,WIRE WOUND
Federal Supply Class5905 — Resistors
Resistance Tolerance In Percent-0.100 TO 0.100
Ambient Temp In Deg Celsius At Zer145.0
Temp Range Of Temp Coefficient In-65.0 TO 145.0
Body Length0.500 INCHES NOMINAL
Power Dissipation Rating In Watts0.150 FREE AIR
Body Diameter0.250 INCHES NOMINAL
Inclosure TypeENCAPSULATED
Reliability IndicatorESTABLISHED
Ambient Temp At Full Rated Power125.0 CELSIUS
Reliability Failure Rate Level In0.010
Terminal TypeWIRE LEAD
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 RBR55L58R30BR available?
We can source RBR55L58R30BR 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 RBR55L58R30BR by MIL-SPEC obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If RBR55L58R30BR 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 RBR55L58R30BR?
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 RBR55L58R30BR?
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.