Techno Components Corp. · Electronic Components
3SS21
Resistor, Thermal
Part Number3SS21
ManufacturerTechno Components Corp.
AvailabilityAvailable to order — request a quote
Specifications
NSN5905-01-376-1561 (NSN)
Federal Item NameRESISTOR,THERMAL
Federal Supply Class5905 — Resistors
Reliability IndicatorNOT ESTABLISHED
Style DesignatorSEALED OR COATED BEAD
Terminal Type And Quantity2 WIRE LEAD
Zero Power Resistance Tolerance In-20.0 TO 20.0
Inclosure TypeENCASED
Ambient Temp At Full Rated Power65.0 CELSIUS
Zero Power Resistance7.000 OHMS
Maximum Operating Temp150.0 CELSIUS
ESD/EMICode B — 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 3SS21 available?
We can source 3SS21 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 3SS21 by Techno Components Corp. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 3SS21 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 3SS21?
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 3SS21?
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.