Vishay · Electronic Components
RN55D2491F
MIL-spec precision metal film resistor, 2.49kΩ ±1%, 1/8W (RN55 style)
Part NumberRN55D2491F
ManufacturerVishay
AvailabilityIn stock — ships fast
Specifications
NSN5905-00-734-4080 (NSN)
Federal Item NameRESISTOR,FIXED,FILM
Terminal TypeWIRE LEAD
Style DesignatorAXIAL TERMINAL EACH END
Unpackaged Unit Weight0.3 GRAMS
Temp Range Of Temp Coefficient In-55.0 TO 165.0
Body Diameter0.078 INCHES MINIMUM AND 0.140 INCHES MAXIMUM
Power Dissipation Rating In Watts0.125 FREE AIR
Body Length0.204 INCHES MINIMUM AND 0.281 INCHES MAXIMUM
Terminal Length1.375 INCHES MINIMUM AND 1.625 INCHES MAXIMUM
Inclosure TypeENCAPSULATED
Reliability IndicatorNOT ESTABLISHED
Federal Supply Class5905 — Resistor
Test Data Document81349-MIL-R-10509 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DA
Cancelled NSN5905-00-762-3605 (cancelled)
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 RN55D2491F in stock?
Yes — RN55D2491F is in our stock database. Request a quote for current pricing and lead time.
Is RN55D2491F by Vishay obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If RN55D2491F 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 RN55D2491F?
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 RN55D2491F?
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.