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Solid State Devices, Inc.  · Electronic Components

2N3948

TRANSISTOR — NSN 5961-00-401-8032

Part Number2N3948
ManufacturerSolid State Devices, Inc.
AvailabilityAvailable to order — request a quote

Specifications

Federal Item NameTRANSISTOR
Federal Supply Class5961 — Semiconductor Devices And Associated Hardware
Current Rating400.00 MILLIAMPERES MAXIMUM COLLECTOR CURRENT, DC
Terminals3 UNINSULATED WIRE LEAD
Mounting MethodTERMINAL
Overall Length0.250 INCHES NOMINAL
Overall Diameter0.359 INCHES NOMINAL
Power Rating Per Characteristic1.0 WATTS MAXIMUM TOTAL DEVICE DISSIPATION
Terminal Circle Diameter0.020 INCHES NOMINAL
Terminal Length0.500 INCHES MINIMUM
Special FeaturesJUNCTION PATTERN ARRANGEMENT: NPN
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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 2N3948 available?
We can source 2N3948 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 2N3948 by Solid State Devices, Inc. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 2N3948 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 2N3948?
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 2N3948?
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.