Shallcross · Electronic Components
SP21W1089-4640
Resistor, Fixed, Wire Wound
Part NumberSP21W1089-4640
ManufacturerShallcross
AvailabilityAvailable to order — request a quote
Specifications
NSN5905-00-137-9960 (NSN)
Federal Item NameRESISTOR,FIXED,WIRE WOUND
Federal Supply Class5905 — Resistors
Temp Coefficient Of Resistance In-5.0 TO 5.0
Ambient Temp In Deg Celsius At Zer145.0
Temp Range Of Temp Coefficient In-55.0 TO 125.0
Terminal TypeWIRE LEAD
Body Diameter0.187 INCHES NOMINAL
Ambient Temp At Full Rated Power125.0 CELSIUS
Inclosure TypeENCAPSULATED
Power Dissipation Rating In Watts0.125 FREE AIR
Reactance CharacteristicNONINDUCTIVE
Body Length0.385 INCHES NOMINAL
Style DesignatorAXIAL TERMINAL EACH END
Vendor Part Numbers937-596-4464
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 SP21W1089-4640 available?
We can source SP21W1089-4640 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 SP21W1089-4640 by Shallcross obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If SP21W1089-4640 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 SP21W1089-4640?
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 SP21W1089-4640?
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.