Renfrew Electric Co Ltdirc Resistordiv · Electronic Components
509LR901F
Resistor, Fixed, Wire Wound
Part Number509LR901F
ManufacturerRenfrew Electric Co Ltdirc Resistordiv
AvailabilityAvailable to order — request a quote
Specifications
NSN5905-00-993-8461 (NSN)
Federal Item NameRESISTOR,FIXED,WIRE WOUND
Federal Supply Class5905 — Resistors
Electrical Resistance900.000 OHMS
Reliability IndicatorNOT ESTABLISHED
Power Dissipation Rating In Watts0.500 FREE AIR
Terminal TypeWIRE LEAD
Body Length0.625 INCHES NOMINAL
Inclosure TypeENCAPSULATED
Ambient Temp At Full Rated Power125.0 CELSIUS
Body Diameter0.500 INCHES NOMINAL
Temp Range Of Temp Coefficient In-65.0 TO 125.0
Ambient Temp In Deg Celsius At Zer145.0
Resistance Tolerance In Percent-1.000 TO 1.000
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 509LR901F available?
We can source 509LR901F 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 509LR901F by Renfrew Electric Co Ltdirc Resistordiv obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 509LR901F 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 509LR901F?
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 509LR901F?
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.