Northrop Grumman Systems · Electronic Components
990C050H04-4202
Resistor, Fixed, Wire Wound, Induct
Part Number990C050H04-4202
ManufacturerNorthrop Grumman Systems
AvailabilityAvailable to order — request a quote
Specifications
NSN5905-01-024-6257 (NSN)
Federal Item NameRESISTOR,FIXED,WIRE WOUND,INDUCT
Federal Supply Class5905 — Resistors
Temp Coefficient Of Resistance In-30.0 TO 30.0
Heat Sink Length12.000 INCHES12.000 INCHES
Heat Sink Width12.000 INCHES12.000 INCHES
Distance Between Centerlines Of Mo3.875 INCHES NOMINAL3.875 INCHES NOMINAL
Body Width2.125 INCHES NOMINAL2.125 INCHES NOMINAL
Terminal TypeTHREADED STUDTHREADED STUD
Power Dissipation Rating In Watts250.000 FREE AIR250.000 FREE AIR
Ambient Temp At Full Rated Power25.0 CELSIUS25.0 CELSIUS
Ambient Temp In Deg Celsius At Zer275.0275.0
Inclosure TypeENCASEDENCASED
Heat Sink Thickness0.125 INCHES0.125 INCHES
Vendor Part NumbersRH250-7-4202F, RH250X007K42001F
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 990C050H04-4202 available?
We can source 990C050H04-4202 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 990C050H04-4202 by Northrop Grumman Systems obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 990C050H04-4202 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 990C050H04-4202?
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 990C050H04-4202?
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.