MIL-SPEC · Electronic Components
RW79UR390F
Resistor, Fixed, Wire Wound, Induct
Part NumberRW79UR390F
ManufacturerMIL-SPEC
AvailabilityAvailable to order — request a quote
Specifications
NSN5905-01-100-3937 (NSN)
Federal Item NameRESISTOR,FIXED,WIRE WOUND,INDUCT
Federal Supply Class5905 — Resistors
Terminal Length1.750 INCHES NOMINAL
Ambient Temp In Deg Celsius At Zer275.0
Ambient Temp At Full Rated Power25.0 CELSIUS
Body Length0.560 INCHES NOMINAL
Terminal TypeWIRE LEAD
Inclosure TypeENCASED
Body Diameter0.187 INCHES NOMINAL
Temp Range Of Temp Coefficient In-55.0 TO 275.0
Power Dissipation Rating In Watts3.000 FREE AIR
Electrical Resistance0.390 OHMS
Resistance Tolerance In Percent-1.000 TO 1.000
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 RW79UR390F available?
We can source RW79UR390F 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 RW79UR390F by MIL-SPEC obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If RW79UR390F 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 RW79UR390F?
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 RW79UR390F?
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.