Richtek · Electronic Components
PEN9021
DC-DC 5.5V-32V STP DWN S -O 1.222V-26V 5A SOP EP
Part NumberPEN9021
ManufacturerRichtek
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 PEN9021 in stock?
Yes — PEN9021 is in our stock database. Request a quote for current pricing and lead time.
Is PEN9021 by Richtek obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If PEN9021 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 PEN9021?
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 PEN9021?
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.