Rockwell Collins, Inc. · Electronic Components
997F52
Resistor, Thermal
Part Number997F52
ManufacturerRockwell Collins, Inc.
AvailabilityAvailable to order — request a quote
Specifications
NSN5905-00-774-8131 (NSN)
Federal Item NameRESISTOR,THERMAL
Federal Supply Class5905 — Resistors
Reliability IndicatorNOT ESTABLISHED
Zero Power Resistance At Specified35.0 KILOHMS FIFTH RESISTANCE-TEMPERATURE POINT
Maximum Operating Temp150.0 CELSIUS
Style DesignatorROD
Terminal Diameter0.020 INCHES NOMINAL
Thermal Time Constant In Seconds10.0
Power Dissipation Constant In Mill6.0
Cubic Measure0.004 CUBIC INCHES
Ambient Temp At Full Rated Power25.0 CELSIUS
Temp Points For Resistance Reading140.0 CELSIUS TENTH RESISTANCE-TEMPERATURE POINT
Reference Temp In Deg Celsius25.0
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 997F52 available?
We can source 997F52 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 997F52 by Rockwell Collins, Inc. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 997F52 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 997F52?
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 997F52?
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.