MIL-SPEC · Electronic Components
RB40B25001F
Resistor, Fixed, Wire Wound
Part NumberRB40B25001F
ManufacturerMIL-SPEC
AvailabilityAvailable to order — request a quote
Specifications
NSN5905-00-243-9269 (NSN)
Federal Item NameRESISTOR,FIXED,WIRE WOUND
Federal Supply Class5905 — Resistors
Ambient Temp In Deg Celsius At Zer105.0
Body Length0.938 INCHES NOMINAL
Terminal TypeTAB, SOLDER LUG
Body Diameter0.750 INCHES NOMINAL
Ambient Temp At Full Rated Power85.0 CELSIUS
Inclosure TypeENCAPSULATED
Power Dissipation Rating In Watts0.400 FREE AIR
Style DesignatorAXIAL TERMINALS ONE END
Resistance Tolerance In Percent-1.000 TO 1.000
Electrical Resistance25.000 KILOHMS
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 RB40B25001F available?
We can source RB40B25001F 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 RB40B25001F by MIL-SPEC obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If RB40B25001F 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 RB40B25001F?
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 RB40B25001F?
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.