Ohmite Holding · Electronic Components
4581
Resistor, Fixed, Wire Wound, Induct
Part Number4581
ManufacturerOhmite Holding
AvailabilityAvailable to order — request a quote
Specifications
NSN5905-01-117-5014 (NSN)
Federal Item NameRESISTOR,FIXED,WIRE WOUND,INDUCT
Federal Supply Class5905 — Resistors
Style DesignatorAXIAL TERMINAL EACH END
Inclosure TypeENCAPSULATED
Terminal Length1.500 INCHES NOMINAL
Body Diameter0.203 INCHES NOMINAL
Temp Range Of Temp Coefficient In+25.0 TO 350.0
Power Dissipation Rating In Watts5.000 FREE AIR
Body Length0.938 INCHES NOMINAL
Terminal TypeWIRE LEAD
Ambient Temp In Deg Celsius At Zer350.0
Ambient Temp At Full Rated Power25.0 CELSIUS
Electrical Resistance51.000 OHMS
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 4581 available?
We can source 4581 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 4581 by Ohmite Holding obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 4581 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 4581?
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 4581?
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.