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2N6678

BIPOLAR TRANSISTOR, NPN, 400V, TO-3

Part Number2N6678
ManufacturerMulticomp
AvailabilityAvailable to order — request a quote

Specifications

Federal Item NameTRANSISTOR
Current Rating5.00 AMPERES MAXIMUM BASE CURRENT, DC AND 15.00 AMPERES MAXIMUM COLLECTOR CURRENT, DC
Terminals1 CASE AND 2 PIN
Mounting MethodTERMINAL AND THREADED STUD(S)
Overall Length0.250 INCHES MINIMUM AND 0.450 INCHES MAXIMUM
Overall Diameter0.875 INCHES MAXIMUM
Features ProvidedHERMETICALLY SEALED CASE
Voltage Rating In Volts Per Charac650.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-BASE, EMITTER OPEN AND 400.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-EMITT
Mounting Facility Quantity2
Terminal Circle Diameter0.430 INCHES NOMINAL
Internal ConfigurationJUNCTION CONTACT
Federal Supply Class5961 — Semiconductor Devices And Associated Hardware
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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 2N6678 available?
We can source 2N6678 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 2N6678 by Multicomp obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 2N6678 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 2N6678?
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 2N6678?
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.