Eaton Aerospace · Electronic Components
KFY165B
TRANSISTOR — NSN 5961-01-355-2504
Part NumberKFY165B
ManufacturerEaton Aerospace
AvailabilityAvailable to order — request a quote
Specifications
NSN5961-01-355-2504 (NSN)
Federal Item NameTRANSISTOR
Federal Supply Class5961 — Semiconductor Devices And Associated Hardware
MaterialCERAMIC OR PLASTIC ENCLOSURE
Current Rating11.00 AMPERES MAXIMUM DRAIN CURRENT
Terminals3 UNINSULATED WIRE LEAD
Mounting MethodTERMINAL
Overall Length0.790 INCHES MINIMUM AND 0.800 INCHES MAXIMUM
Overall Width0.535 INCHES MINIMUM AND 0.545 INCHES MAXIMUM
Overall Height0.249 INCHES MINIMUM AND 0.260 INCHES MAXIMUM
Terminal Length0.530 INCHES MINIMUM AND 0.550 INCHES MAXIMUM
Power Rating Per Characteristic125.0 WATTS MAXIMUM TOTAL POWER DISSIPATION
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 KFY165B available?
We can source KFY165B 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 KFY165B by Eaton Aerospace obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If KFY165B 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 KFY165B?
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 KFY165B?
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.