Seco Tools, LLC · Electronic Components
D403
Resistor, Thermal
Part NumberD403
ManufacturerSeco Tools, LLC
AvailabilityAvailable to order — request a quote
Specifications
NSN5905-00-755-6377 (NSN)
Federal Item NameRESISTOR,THERMAL
Federal Supply Class5905 — Resistors
Temp Points For Resistance Reading180.0 CELSIUS THIRD RESISTANCE-TEMPERATURE POINT
Zero Power Resistance Tolerance In-10.0 TO 10.0
Inclosure TypeENCAPSULATED
Zero Power Resistance At Specified25.0 OHMS SECOND RESISTANCE-TEMPERATURE POINT
Terminal Type And Quantity2 WIRE LEAD
Style DesignatorDISK
Resistance Tolerance At A Specifie-10.0 TO 10.0 ALL RESISTANCE-TEMPERATURE POINTS
Reference Temp In Deg Celsius25.0
Zero Power Resistance250.000 OHMS
Reliability IndicatorNOT ESTABLISHED
Body Width0.038 INCHES NOMINAL
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 D403 available?
We can source D403 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 D403 by Seco Tools, LLC obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If D403 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 D403?
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 D403?
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.