Vishay Dale Electronics · Electronic Components
RS2-181F
Resistor, Fixed, Wire Wound, Induct
Part NumberRS2-181F
ManufacturerVishay Dale Electronics
AvailabilityAvailable to order — request a quote
Specifications
NSN5905-00-581-3901 (NSN)
Federal Item NameRESISTOR,FIXED,WIRE WOUND,INDUCT
Federal Supply Class5905 — Resistors
Temp Coefficient Of Resistance In-30.0 TO 30.0
Temp Range Of Temp Coefficient In-55.0 TO 275.0
Ambient Temp In Deg Celsius At Zer275.0
Power Dissipation Rating In Watts4.000 FREE AIR
Body Length0.563 INCHES MINIMUM AND 0.687 INCHES MAXIMUM
Ambient Temp At Full Rated Power25.0 CELSIUS
Inclosure TypeENCAPSULATED
Reliability IndicatorNOT ESTABLISHED
Cubic Measure0.043 CUBIC INCHES
Terminal Length1.875 INCHES MINIMUM AND 2.125 INCHES MAXIMUM
Body Diameter0.219 INCHES MINIMUM AND 0.281 INCHES MAXIMUM
Vendor Part Numbers92-57-181
Cancelled NSN5905-00-683-6580 (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 RS2-181F available?
We can source RS2-181F 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 RS2-181F by Vishay Dale Electronics obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If RS2-181F 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 RS2-181F?
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 RS2-181F?
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.