Qes Ltd. (Quality Electronic Services) · Electronic Components
1211780B
Resistor, Fixed, Film
Part Number1211780B
ManufacturerQes Ltd. (Quality Electronic Services)
AvailabilityAvailable to order — request a quote
Specifications
NSN5905-00-897-0396 (NSN)
Federal Item NameRESISTOR,FIXED,FILM
Federal Supply Class5905 — Resistors
Temp Coefficient Of Resistance In-50.0 TO 50.0
Ambient Temp In Deg Celsius At Zer175.0
Temp Range Of Temp Coefficient In-55.0 TO 175.0
Electrical Resistance178.000 OHMS
Test Data Document81349-MIL-R-10509 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DA
Body Diameter0.109 INCHES NOMINAL
Reliability IndicatorNOT ESTABLISHED
Terminal TypeWIRE LEAD
Style DesignatorAXIAL TERMINAL EACH END
Ambient Temp At Full Rated Power125.0 CELSIUS
Inclosure TypeENCAPSULATED
Vendor Part NumbersRN55C1780F
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 1211780B available?
We can source 1211780B 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 1211780B by Qes Ltd. (Quality Electronic Services) obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 1211780B 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 1211780B?
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 1211780B?
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.