Precision Resistor · Electronic Components
TX158-12FN
Resistor, Fixed, Wire Wound
Part NumberTX158-12FN
ManufacturerPrecision Resistor
AvailabilityAvailable to order — request a quote
Specifications
NSN5905-00-723-9639 (NSN)
Federal Item NameRESISTOR,FIXED,WIRE WOUND
Federal Supply Class5905 — Resistors
Style DesignatorAXIAL TERMINAL EACH END
Temp Range Of Temp Coefficient In-55.0 TO 105.0
Ambient Temp In Deg Celsius At Zer105.0
Body Length0.645 INCHES NOMINAL
Terminal TypeWIRE LEAD
Inclosure TypeENCAPSULATED
Body Diameter0.176 INCHES NOMINAL
Power Dissipation Rating In Watts0.500 FREE AIR
Ambient Temp At Full Rated Power85.0 CELSIUS
Reliability IndicatorNOT ESTABLISHED
Electrical Resistance12.000 OHMS
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 TX158-12FN available?
We can source TX158-12FN 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 TX158-12FN by Precision Resistor obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If TX158-12FN 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 TX158-12FN?
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 TX158-12FN?
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.