● ISO 9001:2015 · ANSI/ESD S20.20-2021 · ERAI Member · GIDEP · Woman-Owned Small Business 760.724.2800 · 855.RH.HAS.IT · info@rhelectronics.com
Vishay Angstrohm Precision  · Electronic Components

KC55-4021F

Resistor, Fixed, Film

Part NumberKC55-4021F
ManufacturerVishay Angstrohm Precision
AvailabilityAvailable to order — request a quote

Specifications

Federal Item NameRESISTOR,FIXED,FILM
Federal Supply Class5905 — Resistors
Temp Range Of Temp Coefficient In+25.0 TO 150.0
Style DesignatorAXIAL TERMINAL EACH END
Ambient Temp In Deg Celsius At Zer180.0
Inclosure TypeHERMETICALLY SEALED
Temp Coefficient Of Resistance In-400.0/-200.0
Body Diameter0.135 INCHES NOMINAL
Power Dissipation Rating In Watts0.125 FREE AIR
Terminal TypeWIRE LEAD
Ambient Temp At Full Rated Power125.0 CELSIUS
Body Length0.276 INCHES NOMINAL
Electrical Resistance4.020 KILOHMS
Review your list (0) →
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

Frequently asked

Is KC55-4021F available?
We can source KC55-4021F 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 KC55-4021F by Vishay Angstrohm Precision obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If KC55-4021F 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 KC55-4021F?
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 KC55-4021F?
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.