MIL-SPEC · Electronic Components
RB55CE58R30B
Resistor, Fixed, Wire Wound
Part NumberRB55CE58R30B
ManufacturerMIL-SPEC
AvailabilityAvailable to order — request a quote
Specifications
NSN5905-00-966-6791 (NSN)
Federal Item NameRESISTOR,FIXED,WIRE WOUND
Federal Supply Class5905 — Resistors
Temp Coefficient Of Resistance In-20.0 TO 20.0
Ambient Temp In Deg Celsius At Zer145.0
Body Length0.500 INCHES NOMINAL
Inclosure TypeENCAPSULATED
Terminal TypeWIRE LEAD
Body Diameter0.250 INCHES NOMINAL
Ambient Temp At Full Rated Power125.0 CELSIUS
Power Dissipation Rating In Watts0.150 FREE AIR
Temp Range Of Temp Coefficient In-65.0 TO 145.0
Resistance Tolerance In Percent-0.100 TO 0.100
Electrical Resistance58.300 OHMS
ESD/EMICode A — 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 RB55CE58R30B available?
We can source RB55CE58R30B 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 RB55CE58R30B by MIL-SPEC obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If RB55CE58R30B 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 RB55CE58R30B?
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 RB55CE58R30B?
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.