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Varian Associates Inc. Communications Transistor Div  · Electronic Components

C25-28

TRANSISTOR — NSN 5961-01-073-8120

Part NumberC25-28
ManufacturerVarian Associates Inc. Communications Transistor Div
AvailabilityAvailable to order — request a quote

Specifications

Federal Item NameTRANSISTOR
Federal Supply Class5961 — Semiconductor Devices And Associated Hardware
MaterialCERAMIC ENCLOSURE
Current Rating0.02 AMPERES MAXIMUM COLLECTOR CURRENT, DC
Terminals4 BRACKET
Mounting MethodBRACKET(S)
Overall Length1.000 INCHES NOMINAL
Overall Width0.380 INCHES MAXIMUM
Semiconductor MaterialSILICON
Power Rating Per Characteristic40.0 WATTS MAXIMUM TOTAL POWER DISSIPATION
Voltage Rating In Volts Per Charac33.0 MAXIMUM COLLECTOR TO EMITTER VOLTAGE, DC
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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

Frequently asked

Is C25-28 available?
We can source C25-28 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 C25-28 by Varian Associates Inc. Communications Transistor Div obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If C25-28 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 C25-28?
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 C25-28?
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.