Ohmite · Electronic Components
F55J25R
RESISTOR, POWER, 25OHM, 55W, 5%
Part NumberF55J25R
ManufacturerOhmite
AvailabilityAvailable to order — request a quote
Specifications
NSN5905-00-985-0939 (NSN)
Federal Item NameRESISTOR,FIXED,WIRE WOUND,INDUCT
Terminal TypeTAB, SOLDER LUG
Terminal Width0.188 INCHES NOMINAL
Reliability IndicatorNOT ESTABLISHED
Terminal Length0.438 INCHES NOMINAL
Body Width1.000 INCHES NOMINAL
Ambient Temp At Full Rated Power40.0 CELSIUS
Ambient Temp In Deg Celsius At Zer340.0
Power Dissipation Rating In Watts55.000 FREE AIR
Body Length3.500 INCHES NOMINAL
Inclosure TypeENCAPSULATED
Federal Supply Class5905 — Resistor
Distance Between Centerlines Of Mo4.250 INCHES NOMINAL
Vendor Part Numbers124-2039-00, 124-2039-000
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 F55J25R available?
We can source F55J25R 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 F55J25R by Ohmite obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If F55J25R 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 F55J25R?
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 F55J25R?
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.