Kidde Technologies, Inc. · Electronic Components
KA31L1
Resistor, Thermal
Part NumberKA31L1
ManufacturerKidde Technologies, Inc.
AvailabilityAvailable to order — request a quote
Specifications
NSN5905-00-879-2027 (NSN)
Federal Item NameRESISTOR,THERMAL
Federal Supply Class5905 — Resistors
Temp Points For Resistance Reading150.0 CELSIUS EIGHTH RESISTANCE-TEMPERATURE POINT
Zero Power Resistance At Specified248.8 OHMS FIFTH RESISTANCE-TEMPERATURE POINT
Cubic Measure0.0009 CUBIC INCHES
Resistance Tolerance At A Specifie-13.8 TO 13.8 SECOND RESISTANCE-TEMPERATURE POINT
Terminal Length1.500 INCHES NOMINAL
Terminal Type And Quantity2 WIRE LEAD
Body Outside Diameter0.200 INCHES NOMINAL
Thermal Time Constant In Seconds20.0
Zero Power Temp Coefficient Of Res-4.40
Ambient Temp At Full Rated Power25.0 CELSIUS
Style DesignatorDISK
Vendor Part Numbers023-000334, 631D415, 2553232-07
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 KA31L1 available?
We can source KA31L1 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 KA31L1 by Kidde Technologies, Inc. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If KA31L1 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 KA31L1?
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 KA31L1?
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.