Semitronics Corp. · Electronic Components
2N4148
SEMICONDUCTOR DEVICE,THYRISTOR — NSN 5961-01-221-6525
Part Number2N4148
ManufacturerSemitronics Corp.
AvailabilityAvailable to order — request a quote
Specifications
NSN5961-01-221-6525 (NSN)
Federal Item NameSEMICONDUCTOR DEVICE,THYRISTOR
Federal Supply Class5961 — Semiconductor Devices And Associated Hardware
Current Rating0.250 AMPERES NOMINAL FORWARD CURRENT, DC AND 1.00 MILLIAMPERES MAXIMUM GATE TRIGGER CURRENT, DC
Mounting MethodTERMINAL
Overall Length0.115 INCHES MINIMUM AND 0.150 INCHES MAXIMUM
Terminal Length0.500 INCHES MINIMUM
Internal ConfigurationJUNCTION CONTACT
Terminal Circle Diameter0.100 INCHES NOMINAL
Maximum Operating Temp Per Measure150.0 CELSIUS JUNCTION
Special FeaturesJUNCTION PATTERN ARRANGEMENT: PNPN
Semiconductor MaterialSILICON
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
Every shipment inspected on receipt · ISO 9001:2015 · ANSI/ESD S20.20 · ERAI member since 1998 · GIDEP participant
Frequently asked
Is 2N4148 available?
We can source 2N4148 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 2N4148 by Semitronics Corp. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 2N4148 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 2N4148?
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 2N4148?
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.