Thermo Electron Manufacturing Limited T/A Thermo Fisher Scie · Electronic Components
BS3681
TRANSISTOR — NSN 5961-01-012-4268
Part NumberBS3681
ManufacturerThermo Electron Manufacturing Limited T/A Thermo Fisher Scie
AvailabilityAvailable to order — request a quote
Specifications
NSN5961-01-012-4268 (NSN)
Federal Item NameTRANSISTOR
Federal Supply Class5961 — Semiconductor Devices And Associated Hardware
Current Rating1.00 AMPERES MAXIMUM COLLECTOR CURRENT, DC AND 0.60 AMPERES MAXIMUM BASE CURRENT, DC
Terminals3 TAB, SOLDER LUG
Mounting MethodTERMINAL
Overall Length0.675 INCHES MAXIMUM
Overall Width0.420 INCHES MAXIMUM
Overall Height0.190 INCHES MAXIMUM
Semiconductor MaterialSILICON
Features ProvidedHERMETICALLY SEALED CASE
Special FeaturesJUNCTION PATTERN ARRANGEMENT: NPN
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 BS3681 available?
We can source BS3681 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 BS3681 by Thermo Electron Manufacturing Limited T/A Thermo Fisher Scie obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If BS3681 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 BS3681?
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 BS3681?
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.