MIL-SPEC · Electronic Components
RER45F42R2R
Resistor, Fixed, Wire Wound, Nonind
Part NumberRER45F42R2R
ManufacturerMIL-SPEC
AvailabilityAvailable to order — request a quote
Specifications
NSN5905-00-286-4910 (NSN)
Federal Item NameRESISTOR,FIXED,WIRE WOUND,NONIND
Federal Supply Class5905 — Resistors
Electrical Resistance42.200 OHMS
Temp Coefficient Of Resistance In-30.0 TO 30.0
Test Data Document81349-MIL-R-39009 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DA
Style DesignatorAXIAL TERMINAL (S)
Terminal TypeTAB, SOLDER LUG
Distance Between Centerlines Of Mo0.562 INCHES NOMINAL
Reliability Failure Rate Level In0.010
Body Width0.438 INCHES NOMINAL
Reactance CharacteristicNONINDUCTIVE
Body Length0.750 INCHES NOMINAL
Ambient Temp In Deg Celsius At Zer275.0
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 RER45F42R2R available?
We can source RER45F42R2R 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 RER45F42R2R by MIL-SPEC obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If RER45F42R2R 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 RER45F42R2R?
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 RER45F42R2R?
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.