Raytheon · Electronic Components
581449-1
Resistor, Thermal
Part Number581449-1
ManufacturerRaytheon
AvailabilityAvailable to order — request a quote
Specifications
NSN5905-00-434-3070 (NSN)
Federal Item NameRESISTOR,THERMAL
Federal Supply Class5905 — Resistors
Body Outside Diameter1.530 INCHES MAXIMUM
Zero Power Resistance Tolerance In-10.0 TO 10.0
Terminal Type And Quantity2 SURFACE CONTACT
Body Width0.410 INCHES MAXIMUM
Reliability IndicatorNOT ESTABLISHED
Zero Power Resistance5.000 KILOHMS
Inclosure TypeENCAPSULATED
Reference Temp In Deg Celsius25.0
Style DesignatorPLAIN DISK
Maximum Power Dissipation Rating5.00 WATTS
Power Dissipation Constant In Mill5.0
Vendor Part Numbers289BNR3
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 581449-1 available?
We can source 581449-1 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 581449-1 by Raytheon obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 581449-1 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 581449-1?
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 581449-1?
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.