Stromberg-Carlson Corp. A Plessey Telecommunications · Electronic Components
666068-540
Resistor, Thermal
Part Number666068-540
ManufacturerStromberg-Carlson Corp. A Plessey Telecommunications
AvailabilityAvailable to order — request a quote
Specifications
NSN5905-00-539-2095 (NSN)
Federal Item NameRESISTOR,THERMAL
Federal Supply Class5905 — Resistors
Maximum Operating Temp300.0 CELSIUS
Zero Power Resistance2.000 KILOHMS
Thermal Time Constant In Seconds60.0
Power Dissipation Constant In Mill0.1
Reference Temp In Deg Celsius25.0
Maximum Current Rating0.025 AMPERES
Body Length0.400 INCHES MAXIMUM
Zero Power Resistance Tolerance In-25.0 TO 25.0
Body Outside Diameter0.156 INCHES NOMINAL
Inclosure TypeENCAPSULATED
Terminal Length1.875 INCHES NOMINAL
Vendor Part NumbersD166382
Cancelled NSN5905-00-521-5308 (cancelled)
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 666068-540 available?
We can source 666068-540 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 666068-540 by Stromberg-Carlson Corp. A Plessey Telecommunications obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 666068-540 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 666068-540?
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 666068-540?
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.