MIL-SPEC · Electronic Components
RTH22ES391K
Resistor, Thermal
Part NumberRTH22ES391K
ManufacturerMIL-SPEC
AvailabilityAvailable to order — request a quote
Specifications
NSN5905-01-096-3845 (NSN)
Federal Item NameRESISTOR,THERMAL
Federal Supply Class5905 — Resistors
Terminal Type And Quantity2 WIRE LEAD
Body Length0.410 INCHES NOMINAL
Terminal Length1.250 INCHES MINIMUM
Thermal Time Constant In Seconds60.0
Terminal Diameter0.025 INCHES NOMINAL
Style DesignatorROD
Ambient Temp At Full Rated Power25.0 CELSIUS
Reference Temp In Deg Celsius25.0
Power Dissipation Constant In Mill5.0
Zero Power Resistance390.000 OHMS
Test Data Document81349-MIL-T-23648/9 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE
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 RTH22ES391K available?
We can source RTH22ES391K 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 RTH22ES391K by MIL-SPEC obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If RTH22ES391K 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 RTH22ES391K?
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 RTH22ES391K?
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.