Infineon Technologies Americas · Electronic Components
S23AF128
SEMICONDUCTOR DEVICE,THYRISTOR — NSN 5961-01-084-5549
Part NumberS23AF128
ManufacturerInfineon Technologies Americas
AvailabilityAvailable to order — request a quote
Specifications
NSN5961-01-084-5549 (NSN)
Federal Item NameSEMICONDUCTOR DEVICE,THYRISTOR
Federal Supply Class5961 — Semiconductor Devices And Associated Hardware
Current Rating225.00 AMPERES MAXIMUM REPETITIVE PEAK ON-STATE CURRENT
Terminals1 FERRULE AND 2 UNINSULATED WIRE LEAD W/TERMINAL LUG
Mounting MethodPRESS FIT
Overall Length0.515 INCHES MINIMUM AND 0.565 INCHES MAXIMUM
Overall Diameter1.600 INCHES MINIMUM AND 1.650 INCHES MAXIMUM
Maximum Operating Temp Per Measure125.0 CELSIUS JUNCTION
Features ProvidedHERMETICALLY SEALED CASE
Semiconductor MaterialSILICON
Voltage Rating In Volts Per Charac1200.0 MAXIMUM REPETITIVE PEAK OFF-STATE VOLTAGE
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 S23AF128 available?
We can source S23AF128 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 S23AF128 by Infineon Technologies Americas obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If S23AF128 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 S23AF128?
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 S23AF128?
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.