Shallcross · Electronic Components
SP21W1089-3120
Resistor, Fixed, Wire Wound
Part NumberSP21W1089-3120
ManufacturerShallcross
AvailabilityAvailable to order — request a quote
Specifications
NSN5905-00-137-9944 (NSN)
Federal Item NameRESISTOR,FIXED,WIRE WOUND
Federal Supply Class5905 — Resistors
Temp Range Of Temp Coefficient In-55.0 TO 125.0
Inclosure TypeENCAPSULATED
Ambient Temp In Deg Celsius At Zer145.0
Power Dissipation Rating In Watts0.125 FREE AIR
Body Length0.385 INCHES NOMINAL
Terminal TypeWIRE LEAD
Body Diameter0.187 INCHES NOMINAL
Reactance CharacteristicNONINDUCTIVE
Ambient Temp At Full Rated Power125.0 CELSIUS
Style DesignatorAXIAL TERMINAL EACH END
Electrical Resistance3.120 KILOHMS
Vendor Part Numbers937-596-4312
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 SP21W1089-3120 available?
We can source SP21W1089-3120 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 SP21W1089-3120 by Shallcross obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If SP21W1089-3120 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 SP21W1089-3120?
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 SP21W1089-3120?
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.