NXP Semiconductors · Electronic Components
BT151-500R
Planar passivated Silicon Controlled Rectifier (SCR) in a SOT78 plastic package intended for use in applications requiring good bidirectional blocking voltage capability, high surge current capability and high thermal cycling performance
Part NumberBT151-500R
ManufacturerNXP Semiconductors
AvailabilityAvailable to order — request a quote
Specifications
NSN5961-01-339-3273 (NSN)
Federal Item NameSEMICONDUCTOR DEVICE,THYRISTOR
MaterialGLASS ENCLOSURE
Current Rating100.00 AMPERES MAXIMUM PEAK ON-STATE CURRENT, NONREPETITIVE AND 7.50 AMPERES MAXIMUM ON-STATE CURRENT, AVERAGE AND 12.00
Terminals3 PIN
Mounting MethodTERMINAL AND UNTHREADED HOLE(S)
Overall Length15.8 MILLIMETERS MAXIMUM
Overall Width10.3 MILLIMETERS MAXIMUM
Overall Height4.5 MILLIMETERS MAXIMUM
Semiconductor MaterialSILICON
Joint Electronic Device EngineerinTO-220AB
Terminal Length13.5 MILLIMETERS MINIMUM
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 BT151-500R available?
We can source BT151-500R 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 BT151-500R by NXP Semiconductors obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If BT151-500R 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 BT151-500R?
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 BT151-500R?
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.