Ohmite · Electronic Components
C300K4R0
RESISTOR, POWER, 4OHM, 300W, 10%
Part NumberC300K4R0
ManufacturerOhmite
AvailabilityAvailable to order — request a quote
Specifications
NSN5905-00-926-2814 (NSN)
Federal Item NameRESISTOR,FIXED,WIRE WOUND,INDUCT
Terminal TypeTAB, SOLDER LUG
Body Diameter1.125 INCHES NOMINAL
Body Length8.500 INCHES NOMINAL
Terminal Length0.750 INCHES NOMINAL
Ambient Temp At Full Rated Power40.0 CELSIUS
Ambient Temp In Deg Celsius At Zer415.0
Reliability IndicatorNOT ESTABLISHED
Inclosure TypeUNINCLOSED
Terminal Width0.500 INCHES NOMINAL
Power Dissipation Rating In Watts300.000 FREE AIR
Federal Supply Class5905 — Resistor
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 C300K4R0 available?
We can source C300K4R0 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 C300K4R0 by Ohmite obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If C300K4R0 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 C300K4R0?
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 C300K4R0?
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.