MIL-SPEC · Electronic Components
RER75F4020P
Resistor, Fixed, Wire Wound, Induct
Part NumberRER75F4020P
ManufacturerMIL-SPEC
AvailabilityAvailable to order — request a quote
Specifications
NSN5905-00-455-5551 (NSN)
Federal Item NameRESISTOR,FIXED,WIRE WOUND,INDUCT
Federal Supply Class5905 — Resistors
Style DesignatorAXIAL TERMINAL (S)
Electrical Resistance402.000 OHMS
Temp Coefficient Of Resistance In-30.0 TO 30.0
Ambient Temp In Deg Celsius At Zer275.0275.0
Heat Sink Thickness0.040 INCHES0.040 INCHES
Temp Range Of Temp Coefficient In-55.0 TO 275.0
Inclosure TypeENCASEDENCASED
Heat Sink Width5.000 INCHES5.000 INCHES
Body Length1.938 INCHES NOMINAL1.938 INCHES NOMINAL
MaterialALUMINUM ALLOY HEAT SINK
Mounting Hole Size0.125 INCHES NOMINAL0.125 INCHES NOMINAL
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 RER75F4020P available?
We can source RER75F4020P 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 RER75F4020P by MIL-SPEC obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If RER75F4020P 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 RER75F4020P?
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 RER75F4020P?
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.