Powerex Inc · Transistors / FETs
KD421K15
Dual Darlington Transistor Module (150 Amperes/1000 Volts)
Part NumberKD421K15
ManufacturerPowerex Inc
AvailabilityIn stock — ships fast
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 KD421K15 in stock?
Yes — KD421K15 is in our stock database. Request a quote for current pricing and lead time.
Is KD421K15 by Powerex Inc obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If KD421K15 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 KD421K15?
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 KD421K15?
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.