Koa Speer Electronics Inc. · Electronic Components
MF50C8121B
Resistor, Fixed, Film
Part NumberMF50C8121B
ManufacturerKoa Speer Electronics Inc.
AvailabilityAvailable to order — request a quote
Specifications
NSN5905-01-465-9656 (NSN)
Federal Item NameRESISTOR,FIXED,FILM
Federal Supply Class5905 — Resistors
Resistance Tolerance In Percent-0.100 TO 0.100
Style DesignatorAXIAL TERMINAL EACH END
Ambient Temp In Deg Celsius At Zer70.0
Inclosure TypeENCASED
Terminal TypeWIRE LEAD
Body Diameter0.055 INCHES MINIMUM AND 0.071 INCHES MAXIMUM
Reliability IndicatorNOT ESTABLISHED
Body Length0.161 INCHES MAXIMUM
Power Dissipation Rating In Watts0.125 FREE AIR
Ambient Temp At Full Rated Power20.0 CELSIUS
Temp Coefficient Of Resistance In-50.0 TO 50.0
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 MF50C8121B available?
We can source MF50C8121B 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 MF50C8121B by Koa Speer Electronics Inc. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If MF50C8121B 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 MF50C8121B?
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 MF50C8121B?
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.