Rdf Corporation · Electronic Components
21206-1
Resistor, Thermal
Part Number21206-1
ManufacturerRdf Corporation
AvailabilityAvailable to order — request a quote
Specifications
NSN5905-01-122-2387 (NSN)
Federal Item NameRESISTOR,THERMAL
Federal Supply Class5905 — Resistors
Precious Material And LocationELEMENT PLATINUM
Reliability IndicatorNOT ESTABLISHED
Inclosure TypeENCAPSULATED
Overall Diameter0.782 INCHES MINIMUM AND 0.842 INCHES MAXIMUM
Ambient Temp At Full Rated Power100.0 CELSIUS
Probe Diameter0.220 INCHES MINIMUM AND 0.280 INCHES MAXIMUM
Terminal Length0.390 INCHES MINIMUM AND 0.450 INCHES MAXIMUM
Overall Length8.350 INCHES MINIMUM AND 8.410 INCHES MAXIMUM
Zero Power Resistance100.000 OHMS
Maximum Operating Temp200.0 CELSIUS
Precious MaterialPLATINUM
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 21206-1 available?
We can source 21206-1 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 21206-1 by Rdf Corporation obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 21206-1 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 21206-1?
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 21206-1?
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.