Raytheon Company · Electronic Components
414877-681
Resistor, Thermal
Part Number414877-681
ManufacturerRaytheon Company
AvailabilityAvailable to order — request a quote
Specifications
NSN5905-00-714-9544 (NSN)
Federal Item NameRESISTOR,THERMAL
Federal Supply Class5905 — Resistors
Temp Points For Resistance Reading125.0 CELSIUS NINTH RESISTANCE-TEMPERATURE POINT
Zero Power Resistance Tolerance In-10.0 TO 10.0
Zero Power Resistance At Specified564.4 OHMS FIFTH RESISTANCE-TEMPERATURE POINT
Cubic Measure0.014 CUBIC INCHES
Resistance Tolerance At A Specifie-20.0 TO 20.0 TENTH RESISTANCE-TEMPERATURE POINT
Surface TreatmentSOLDER TERMINAL
Maximum Power Dissipation Rating250.00 MILLIWATTS
Zero Power Temp Coefficient Of Res0.70
Power Dissipation Constant In Mill250.0
Maximum Operating Temp150.0 CELSIUS
Terminal Diameter0.025 INCHES NOMINAL
Vendor Part NumbersTM1/4-681K
Cancelled NSN5905-00-022-5705 (cancelled)
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 414877-681 available?
We can source 414877-681 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 414877-681 by Raytheon Company obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 414877-681 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 414877-681?
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 414877-681?
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.