MIL-SPEC · Electronic Components
RW78U2490F
Resistor, Fixed, Wire Wound, Induct
Part NumberRW78U2490F
ManufacturerMIL-SPEC
AvailabilityAvailable to order — request a quote
Specifications
NSN5905-01-294-1956 (NSN)
Federal Item NameRESISTOR,FIXED,WIRE WOUND,INDUCT
Federal Supply Class5905 — Resistors
Reliability IndicatorNOT ESTABLISHED
Ambient Temp At Full Rated Power25.0 CELSIUS
Power Dissipation Rating In Watts10.000 FREE AIR
Terminal Length1.750 INCHES NOMINAL
Terminal TypeWIRE LEAD
Temp Range Of Temp Coefficient In-55.0 TO 275.0
Inclosure TypeENCAPSULATED
Body Length1.780 INCHES NOMINAL
Body Diameter0.375 INCHES NOMINAL
Ambient Temp In Deg Celsius At Zer275.0
Electrical Resistance250.000 OHMS
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 RW78U2490F available?
We can source RW78U2490F 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 RW78U2490F by MIL-SPEC obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If RW78U2490F 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 RW78U2490F?
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 RW78U2490F?
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.