Ohmite Holding · Electronic Components
281H-550R-45A-R4600K
Resistor, Fixed, Wire Wound, Induct
Part Number281H-550R-45A-R4600K
ManufacturerOhmite Holding
AvailabilityAvailable to order — request a quote
Specifications
NSN5905-00-960-0034 (NSN)
Federal Item NameRESISTOR,FIXED,WIRE WOUND,INDUCT
Federal Supply Class5905 — Resistors
Resistance Tolerance In Percent-5.000 TO 5.000
Body Length11.750 INCHES NOMINAL
Inclosure TypeENCAPSULATED
Terminal TypeTAB, SOLDER LUG
Reliability IndicatorNOT ESTABLISHED
Power Dissipation Rating In Watts550.000 FREE AIR
Body Diameter1.625 INCHES NOMINAL
Ambient Temp At Full Rated Power40.0 CELSIUS
Terminal Width0.375 INCHES NOMINAL
Terminal Length0.562 INCHES NOMINAL
Ambient Temp In Deg Celsius At Zer340.0
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 281H-550R-45A-R4600K available?
We can source 281H-550R-45A-R4600K 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 281H-550R-45A-R4600K by Ohmite Holding obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 281H-550R-45A-R4600K 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 281H-550R-45A-R4600K?
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 281H-550R-45A-R4600K?
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.