Micro Uspd Inc. · Electronic Components
TM254-123K
Resistor, Thermal
Part NumberTM254-123K
ManufacturerMicro Uspd Inc.
AvailabilityAvailable to order — request a quote
Specifications
NSN5905-00-341-2006 (NSN)
Federal Item NameRESISTOR,THERMAL
Federal Supply Class5905 — Resistors
Zero Power Resistance At Specified8.0 KILOHMS THIRD RESISTANCE-TEMPERATURE POINT
Temp Points For Resistance Reading150.0 CELSIUS SEVENTH RESISTANCE-TEMPERATURE POINT
Reliability IndicatorNOT ESTABLISHED
Body Length0.391 INCHES MINIMUM AND 0.421 INCHES MAXIMUM
Thermal Time Constant In Seconds34.8
Ambient Temp At Full Rated Power100.0 CELSIUS
Terminal Length1.300 INCHES MINIMUM
Reference Temp In Deg Celsius25.0
Style DesignatorROD
Maximum Operating Temp150.0 CELSIUS
Inclosure TypeENCAPSULATED
Vendor Part Numbers958024-41B
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 TM254-123K available?
We can source TM254-123K 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 TM254-123K by Micro Uspd Inc. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If TM254-123K 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 TM254-123K?
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 TM254-123K?
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.