Precision Resistor Co Inc. · Electronic Components
WR-LS4R99F
Resistor, Fixed, Wire Wound
Part NumberWR-LS4R99F
ManufacturerPrecision Resistor Co Inc.
AvailabilityAvailable to order — request a quote
Specifications
NSN5905-01-460-2216 (NSN)
Federal Item NameRESISTOR,FIXED,WIRE WOUND
Federal Supply Class5905 — Resistors
Body Diameter0.468 INCHES MINIMUM AND 0.656 INCHES MAXIMUM
Temp Range Of Temp Coefficient In-65.0 TO 145.0
Power Dissipation Rating In Watts0.333 FREE AIR
Terminal TypeTAB, SOLDER LUG
Body Length0.563 INCHES MINIMUM AND 0.687 INCHES MAXIMUM
Reliability IndicatorNOT ESTABLISHED
Inclosure TypeENCAPSULATED
Terminal Length0.313 INCHES MINIMUM AND 0.437 INCHES MAXIMUM
Ambient Temp In Deg Celsius At Zer145.0
Ambient Temp At Full Rated Power125.0 CELSIUS
Style DesignatorRADIAL TERMINAL EACH END
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 WR-LS4R99F available?
We can source WR-LS4R99F 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 WR-LS4R99F by Precision Resistor Co Inc. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If WR-LS4R99F 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 WR-LS4R99F?
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 WR-LS4R99F?
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.