Crystalonics, Inc. · Electronic Components
CP643
TRANSISTOR — NSN 5961-01-092-9738
Part NumberCP643
ManufacturerCrystalonics, Inc.
AvailabilityAvailable to order — request a quote
Specifications
NSN5961-01-092-9738 (NSN)
Federal Item NameTRANSISTOR
Federal Supply Class5961 — Semiconductor Devices And Associated Hardware
Current Rating300.00 MILLIAMPERES MAXIMUM DRAIN CURRENT
Terminals3 UNINSULATED WIRE LEAD
Mounting MethodTERMINAL
Overall Length0.260 INCHES MAXIMUM
Overall Diameter0.335 INCHES MAXIMUM
Terminal Circle Diameter0.190 INCHES MAXIMUM
Power Rating Per Characteristic2.0 WATTS MAXIMUM TOTAL POWER DISSIPATION
Maximum Operating Temp Per Measure150.0 CELSIUS JUNCTION
Electrode Internally ElectricallyCOLLECTOR
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 CP643 available?
We can source CP643 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 CP643 by Crystalonics, Inc. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If CP643 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 CP643?
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 CP643?
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.