Vishay · Electronic Components
RN55E1781B
MIL-spec precision metal film resistor, 1.78kΩ ±0.1%, 1/8W (RN55 style)
Part NumberRN55E1781B
ManufacturerVishay
AvailabilityIn stock — ships fast
Specifications
NSN5905-01-038-4170 (NSN)
Federal Item NameRESISTOR,FIXED,FILM
Terminal TypeWIRE LEAD
Temp Range Of Temp Coefficient In-55.0 TO 175.0
Ambient Temp In Deg Celsius At Zer175.0
Temp Coefficient Of Resistance In-25.0 TO 25.0
Body Length0.250 INCHES NOMINAL
Ambient Temp At Full Rated Power125.0 CELSIUS
Inclosure TypeENCAPSULATED
Resistance Tolerance In Percent-0.100 TO 0.100
Style DesignatorAXIAL TERMINAL EACH END
Body Diameter0.109 INCHES NOMINAL
Federal Supply Class5905 — Resistor
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 RN55E1781B in stock?
Yes — RN55E1781B is in our stock database. Request a quote for current pricing and lead time.
Is RN55E1781B by Vishay obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If RN55E1781B 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 RN55E1781B?
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 RN55E1781B?
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.