Therm-O-Disc Inc. Sub Of Emerson Electric Co · Electronic Components
D203
Resistor, Thermal
Part NumberD203
ManufacturerTherm-O-Disc Inc. Sub Of Emerson Electric Co
AvailabilityAvailable to order — request a quote
Specifications
NSN5905-00-660-6930 (NSN)
Federal Item NameRESISTOR,THERMAL
Federal Supply Class5905 — Resistors
Unthreaded Mounting Hole Diameter0.125 INCHES NOMINAL
Overall Length1.250 INCHES NOMINAL
Terminal Type And Quantity2 WIRE LEAD
Maximum Operating Temp200.0 CELSIUS
Overall Width0.875 INCHES NOMINAL
Center To Center Distance Between1.000 INCHES NOMINAL
Terminal Diameter0.024 INCHES NOMINAL
Style DesignatorDISK ON SURFACE PLATE
Reference Temp In Deg Celsius25.0
Zero Power Resistance1.000 KILOHMS
Inclosure TypeENCASED
Vendor Part Numbers666068-456, A0314-05458, 44128-3
Cancelled NSN5905-00-823-3760 (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 D203 available?
We can source D203 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 D203 by Therm-O-Disc Inc. Sub Of Emerson Electric Co obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If D203 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 D203?
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 D203?
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.