Lockheed Martin Corp. · Electronic Components
7900481-57
Resistor, Fixed, Film
Part Number7900481-57
ManufacturerLockheed Martin Corp.
AvailabilityAvailable to order — request a quote
Specifications
NSN5905-00-734-4074 (NSN)
Federal Item NameRESISTOR,FIXED,FILM
Federal Supply Class5905 — Resistors
Style DesignatorAXIAL TERMINAL EACH END
Unpackaged Unit Weight0.35 GRAMS
Test Data Document81349-MIL-R-10509 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DA
Temp Range Of Temp Coefficient In-55.0 TO 165.0
Ambient Temp In Deg Celsius At Zer165.0
Reliability IndicatorNOT ESTABLISHED
Electrical Resistance40.200 KILOHMS
Ambient Temp At Full Rated Power70.0 CELSIUS
Body Diameter0.109 INCHES NOMINAL
Power Dissipation Rating In Watts0.125 FREE AIR
Resistance Tolerance In Percent-1.000 TO 1.000
Vendor Part NumbersRN55D4022F
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 7900481-57 available?
We can source 7900481-57 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 7900481-57 by Lockheed Martin Corp. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 7900481-57 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 7900481-57?
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 7900481-57?
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.