Lockheed Martin · Electronic Components
1603807-1
Resistor, Thermal
Part Number1603807-1
ManufacturerLockheed Martin
AvailabilityAvailable to order — request a quote
Specifications
NSN5905-00-409-4243 (NSN)
Federal Item NameRESISTOR,THERMAL
Federal Supply Class5905 — Resistors
Temp Points For Resistance Reading-20.0 CELSIUS THIRD RESISTANCE-TEMPERATURE POINT
Zero Power Resistance At Specified10.8 KILOHMS SECOND RESISTANCE-TEMPERATURE POINT
Resistance Tolerance At A Specifie-15.5 TO 15.5 EIGHTH RESISTANCE-TEMPERATURE POINT
Maximum Operating Temp150.0 CELSIUS
Terminal Type And Quantity2 WIRE LEAD
Inclosure TypeENCAPSULATED
Terminal Diameter0.020 INCHES NOMINAL
Thermal Time Constant In Seconds25.0
Style DesignatorDISK
Reference Temp In Deg Celsius25.0
Zero Power Resistance Tolerance In-10.0 TO 10.0
Vendor Part Numbers06P226775-02, 2816978-1
Cancelled NSN5905-01-112-5275 (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 1603807-1 available?
We can source 1603807-1 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 1603807-1 by Lockheed Martin obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 1603807-1 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 1603807-1?
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 1603807-1?
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.