STMicroelectronics · Transistors / FETs
TIP126
DARLINGTON TRANSISTOR, PNP, -80V, TO-220
Part NumberTIP126
ManufacturerSTMicroelectronics
AvailabilityAvailable to order — request a quote
Specifications
NSN5961-01-117-3605 (NSN)
Federal Item NameTRANSISTOR
MaterialPLASTIC ENCLOSURE
Current Rating500.00 MILLIAMPERES MAXIMUM EMITTER CURRENT, DC
Terminals3 UNINSULATED WIRE LEAD
Mounting MethodUNTHREADED HOLE(S)
Overall Length0.540 INCHES MAXIMUM
Overall Width0.420 INCHES MAXIMUM
Overall Height0.190 INCHES MAXIMUM
Power Rating Per Characteristic2.0 WATTS MAXIMUM COLLECTOR POWER DISSIPATION
Voltage Rating In Volts Per Charac3.0 MAXIMUM COLLECTOR TO BASE VOLTAGE, DC
Semiconductor MaterialSILICON
Federal Supply Class5961 — Semiconductor Devices And Associated Hardware
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 TIP126 available?
We can source TIP126 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 TIP126 by STMicroelectronics obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If TIP126 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 TIP126?
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 TIP126?
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.