US Dept of Transportation Federal Aviation Administration · Electronic Components
TM1-8-680RS
Resistor, Thermal
Part NumberTM1-8-680RS
ManufacturerUS Dept of Transportation Federal Aviation Administration
AvailabilityAvailable to order — request a quote
Specifications
NSN5905-01-155-4908 (NSN)
Federal Item NameRESISTOR,THERMAL
Federal Supply Class5905 — Resistors
Zero Power Resistance At Specified952.0 OHMS SEVENTH RESISTANCE-TEMPERATURE POINT952.0 OHMS SEVENTH RESISTANCE-TEMPERATURE POINT
Inclosure TypeENCAPSULATED
Terminal Type And Quantity2 WIRE LEAD
Temp Points For Resistance Reading150.0 CELSIUS TENTH RESISTANCE-TEMPERATURE POINT150.0 CELSIUS TENTH RESISTANCE-TEMPERATURE POINT
Resistance Tolerance At A Specifie-16.0 TO 16.0 NINTH RESISTANCE-TEMPERATURE POINT
Cubic Measure0.006 CUBIC INCHES
Reference Temp In Deg Celsius25.0
Body Length0.406 INCHES NOMINAL0.406 INCHES NOMINAL
Body Outside Diameter0.140 INCHES NOMINAL0.140 INCHES NOMINAL
Power Dissipation Constant In Mill4.54.5
Thermal Time Constant In Seconds60.060.0
Vendor Part NumbersTM1-8-681
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 TM1-8-680RS available?
We can source TM1-8-680RS 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 TM1-8-680RS by US Dept of Transportation Federal Aviation Administration obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If TM1-8-680RS 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 TM1-8-680RS?
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 TM1-8-680RS?
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.