MIL-SPEC · Electronic Components
RC20BF390K
Resistor, Fixed, Composition
Part NumberRC20BF390K
ManufacturerMIL-SPEC
AvailabilityAvailable to order — request a quote
Specifications
NSN5905-00-114-2901 (NSN)
Federal Item NameRESISTOR,FIXED,COMPOSITION
Federal Supply Class5905 — Resistors
Style DesignatorAXIAL TERMINAL EACH END
Body Diameter0.138 INCHES NOMINAL
Terminal TypeWIRE LEAD
Ambient Temp At Full Rated Power40.0 CELSIUS
Inclosure TypeENCAPSULATED
Power Dissipation Rating In Watts0.500 FREE AIR
Body Length0.375 INCHES NOMINAL
Electrical Resistance39.000 OHMS
Resistance Tolerance In Percent-10.000 TO 10.000
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 RC20BF390K available?
We can source RC20BF390K 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 RC20BF390K by MIL-SPEC obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If RC20BF390K 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 RC20BF390K?
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 RC20BF390K?
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.