MIL-SPEC · Electronic Components
RN55C78R7F
Resistor, Fixed, Film
Part NumberRN55C78R7F
ManufacturerMIL-SPEC
AvailabilityAvailable to order — request a quote
Specifications
NSN5905-00-934-3108 (NSN)
Federal Item NameRESISTOR,FIXED,FILM
Federal Supply Class5905 — Resistors
Test Data Document81349-MIL-R-10509 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DA
Electrical Resistance78.700 OHMS
Temp Range Of Temp Coefficient In-55.0 TO 175.0
Power Dissipation Rating In Watts0.100 FREE AIR
Style DesignatorAXIAL TERMINAL EACH END
Reliability IndicatorNOT ESTABLISHED
Inclosure TypeENCAPSULATED
Terminal TypeWIRE LEAD
Body Length0.250 INCHES NOMINAL
Body Diameter0.109 INCHES NOMINAL
Ambient Temp At Full Rated Power125.0 CELSIUS
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 RN55C78R7F available?
We can source RN55C78R7F 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 RN55C78R7F by MIL-SPEC obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If RN55C78R7F 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 RN55C78R7F?
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 RN55C78R7F?
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.