Koa Speer Electronics Inc. · Electronic Components
MF55D4R53F
Resistor, Fixed, Film
Part NumberMF55D4R53F
ManufacturerKoa Speer Electronics Inc.
AvailabilityAvailable to order — request a quote
Specifications
NSN5905-01-221-5491 (NSN)
Federal Item NameRESISTOR,FIXED,FILM
Federal Supply Class5905 — Resistors
Style DesignatorAXIAL TERMINAL EACH END
Temp Range Of Temp Coefficient In-55.0 TO 155.0
Ambient Temp In Deg Celsius At Zer155.0
Power Dissipation Rating In Watts0.250 FREE AIR
Resistance Tolerance In Percent-1.000 TO 1.000
Body Length0.063 INCHES NOMINAL
Terminal Length1.180 INCHES NOMINAL
Terminal TypeWIRE LEAD
Inclosure TypeENCAPSULATED
Electrical Resistance4.530 OHMS
Body Diameter0.146 INCHES NOMINAL
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 MF55D4R53F available?
We can source MF55D4R53F 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 MF55D4R53F by Koa Speer Electronics Inc. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If MF55D4R53F 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 MF55D4R53F?
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 MF55D4R53F?
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.