Microwave Power Products · Electronic Components
81-998-990
Resistor, Fixed, Wire Wound, Induct
Part Number81-998-990
ManufacturerMicrowave Power Products
AvailabilityAvailable to order — request a quote
Specifications
NSN5905-00-705-4067 (NSN)
Federal Item NameRESISTOR,FIXED,WIRE WOUND,INDUCT
Federal Supply Class5905 — Resistors
Temp Range Of Temp Coefficient In-55.0 TO 165.0
Terminal Length1.500 INCHES NOMINAL
Reliability IndicatorNOT ESTABLISHED
Body Diameter0.125 INCHES NOMINAL
Ambient Temp At Full Rated Power70.0 CELSIUS
Power Dissipation Rating In Watts0.250 FREE AIR
Inclosure TypeENCAPSULATED
Body Length0.375 INCHES NOMINAL
Terminal TypeWIRE LEAD
Resistance Tolerance In Percent-0.010 TO 0.010
Temp Coefficient Of Resistance In-100.0 TO 100.0
Vendor Part Numbers2IN20AWGMANGANIN0-0150HM, 2IN20AWGMANGAN0-0150HM
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 81-998-990 available?
We can source 81-998-990 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 81-998-990 by Microwave Power Products obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 81-998-990 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 81-998-990?
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 81-998-990?
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.