Precision Resistor · Electronic Components
TX158N2R49F
Resistor, Fixed, Wire Wound
Part NumberTX158N2R49F
ManufacturerPrecision Resistor
AvailabilityAvailable to order — request a quote
Specifications
NSN5905-00-946-1906 (NSN)
Federal Item NameRESISTOR,FIXED,WIRE WOUND
Federal Supply Class5905 — Resistors
Temp Range Of Temp Coefficient In-55.0 TO 105.0
Power Dissipation Rating In Watts0.500 FREE AIR
Ambient Temp In Deg Celsius At Zer105.0
Inclosure TypeENCAPSULATED
Body Length0.645 INCHES NOMINAL
Ambient Temp At Full Rated Power85.0 CELSIUS
Body Diameter0.176 INCHES NOMINAL
Terminal TypeWIRE LEAD
Reliability IndicatorNOT ESTABLISHED
Style DesignatorAXIAL TERMINAL EACH END
Electrical Resistance2.490 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 TX158N2R49F available?
We can source TX158N2R49F 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 TX158N2R49F by Precision Resistor obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If TX158N2R49F 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 TX158N2R49F?
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 TX158N2R49F?
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.