Vishay Dale Electronics · Electronic Components
RS12X031K400R0F
Resistor, Fixed, Wire Wound
Part NumberRS12X031K400R0F
ManufacturerVishay Dale Electronics
AvailabilityAvailable to order — request a quote
Specifications
NSN5905-00-553-1686 (NSN)
Federal Item NameRESISTOR,FIXED,WIRE WOUND
Federal Supply Class5905 — Resistors
Electrical Resistance400.000 OHMS
Terminal Length1.380 INCHES MINIMUM AND 1.620 INCHES MAXIMUM
Ambient Temp At Full Rated Power25.0 CELSIUS
Resistance Tolerance In Percent-1.000 TO 1.000
Style DesignatorAXIAL TERMINAL EACH END
Temp Range Of Temp Coefficient In-55.0 TO 275.0
Ambient Temp In Deg Celsius At Zer275.0
Body Diameter0.063 INCHES MINIMUM AND 0.093 INCHES MAXIMUM
Inclosure TypeENCAPSULATED
Body Length0.298 INCHES MINIMUM AND 0.327 INCHES MAXIMUM
Power Dissipation Rating In Watts0.500 FREE AIR
Vendor Part NumbersJ118P4000A
ESD/EMICode A — 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 RS12X031K400R0F available?
We can source RS12X031K400R0F 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 RS12X031K400R0F by Vishay Dale Electronics obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If RS12X031K400R0F 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 RS12X031K400R0F?
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 RS12X031K400R0F?
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.