MIL-SPEC · Electronic Components
RE77N49R9
Resistor, Fixed, Wire Wound, Nonind
Part NumberRE77N49R9
ManufacturerMIL-SPEC
AvailabilityAvailable to order — request a quote
Specifications
NSN5905-01-047-2145 (NSN)
Federal Item NameRESISTOR,FIXED,WIRE WOUND,NONIND
Federal Supply Class5905 — Resistors
Temp Coefficient Of Resistance In-50.0 TO 50.0
Electrical Resistance49.900 OHMS
Ambient Temp At Full Rated Power25.0 CELSIUS
Terminal TypeTHREADED STUD
Distance Between Centerlines Of Mo2.750 INCHES NOMINAL
Power Dissipation Rating In Watts30.000 FREE AIR
Inclosure TypeENCASED
Terminal Length0.989 INCHES NOMINAL
Body Length3.500 INCHES NOMINAL
Reliability IndicatorNOT ESTABLISHED
Mounting Hole Size0.188 INCHES NOMINAL
Cancelled NSN5905-00-251-2947 (cancelled)
ESD/EMICode B — 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 RE77N49R9 available?
We can source RE77N49R9 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 RE77N49R9 by MIL-SPEC obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If RE77N49R9 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 RE77N49R9?
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 RE77N49R9?
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.