Vishay Intertechnology, Inc. · Electronic Components
78221-187
Resistor, Fixed, Wire Wound, Induct
Part Number78221-187
ManufacturerVishay Intertechnology, Inc.
AvailabilityAvailable to order — request a quote
Specifications
NSN5905-00-492-7124 (NSN)
Federal Item NameRESISTOR,FIXED,WIRE WOUND,INDUCT
Federal Supply Class5905 — Resistors
Ambient Temp In Deg Celsius At Zer150.0
Reliability IndicatorNOT ESTABLISHED
Terminal TypeWIRE LEAD
Power Dissipation Rating In Watts0.100 FREE AIR
Inclosure TypeENCAPSULATED
Style DesignatorAXIAL TERMINAL EACH END
Resistance Tolerance In Percent-0.500 TO 0.500
Ambient Temp At Full Rated Power25.0 CELSIUS
Temp Coefficient Of Resistance In-100.0 TO 100.0
Electrical Resistance187.000 OHMS
Body Length0.450 INCHES NOMINAL
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 78221-187 available?
We can source 78221-187 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 78221-187 by Vishay Intertechnology, Inc. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 78221-187 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 78221-187?
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 78221-187?
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.