● ISO 9001:2015 · ANSI/ESD S20.20-2021 · ERAI Member · GIDEP · Woman-Owned Small Business 760.724.2800 · 855.RH.HAS.IT · info@rhelectronics.com
Reed Switch Developments Corp.  · Electronic Components

2N4078

TRANSISTOR — NSN 5961-01-047-9230

Part Number2N4078
ManufacturerReed Switch Developments Corp.
AvailabilityAvailable to order — request a quote

Specifications

Federal Item NameTRANSISTOR
Federal Supply Class5961 — Semiconductor Devices And Associated Hardware
Current Rating1.00 AMPERES MAXIMUM COLLECTOR CURRENT, DC
Terminals2 UNINSULATED WIRE LEAD AND 1 CASE
Mounting MethodUNTHREADED HOLE(S)
Overall Length0.400 INCHES MAXIMUM
Overall Diameter0.768 INCHES MAXIMUM
Electrode Internally ElectricallyCOLLECTOR
Special FeaturesJUNCTION PATTERN ARRANGEMENT: PNP
Features ProvidedHERMETICALLY SEALED CASE
Maximum Operating Temp Per Measure100.0 CELSIUS JUNCTION
Review your list (0) →
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 2N4078 available?
We can source 2N4078 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 2N4078 by Reed Switch Developments Corp. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 2N4078 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 2N4078?
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 2N4078?
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.