Techno Components Corp. · Electronic Components
1B501
Resistor, Thermal
Part Number1B501
ManufacturerTechno Components Corp.
AvailabilityAvailable to order — request a quote
Specifications
NSN5905-01-277-4049 (NSN)
Federal Item NameRESISTOR,THERMAL
Federal Supply Class5905 — Resistors
Body Width0.088 INCHES NOMINAL
Zero Power Resistance Tolerance In-10.0 TO 10.0
Body Outside Diameter0.500 INCHES NOMINAL
Reliability IndicatorNOT ESTABLISHED
Power Dissipation Constant In Mill15.5
Style DesignatorDISK
Maximum Operating Temp150.0 CELSIUS
Terminal Type And Quantity2 WIRE LEAD
Ambient Temp At Full Rated Power25.0 CELSIUS
Zero Power Resistance5.000 OHMS
Thermal Time Constant In Seconds70.0
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 1B501 available?
We can source 1B501 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 1B501 by Techno Components Corp. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 1B501 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 1B501?
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 1B501?
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.