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Texas Instruments Incorporated  · Electronic Components

2N2945

TRANSISTOR — NSN 5961-00-948-5971

Part Number2N2945
ManufacturerTexas Instruments Incorporated
AvailabilityAvailable to order — request a quote

Specifications

Federal Item NameTRANSISTOR
Federal Supply Class5961 — Semiconductor Devices And Associated Hardware
Current Rating100.00 MILLIAMPERES MAXIMUM COLLECTOR CURRENT, DC
Terminals3 UNINSULATED WIRE LEAD
Mounting MethodTERMINAL
Overall Length0.085 INCHES MAXIMUM
Overall Diameter0.230 INCHES MAXIMUM
Terminal Length0.500 INCHES MINIMUM
Maximum Operating Temp Per Measure200.0 CELSIUS JUNCTION
Terminal Circle Diameter0.100 INCHES NOMINAL
Power Rating Per Characteristic400.0 MILLIWATTS MAXIMUM COLLECTOR POWER DISSIPATION
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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 2N2945 available?
We can source 2N2945 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 2N2945 by Texas Instruments Incorporated obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 2N2945 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 2N2945?
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 2N2945?
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.