Infineon Technologies Americas · Electronic Components
IRF321
TRANSISTOR — NSN 5961-01-207-9574
Part NumberIRF321
ManufacturerInfineon Technologies Americas
AvailabilityAvailable to order — request a quote
Specifications
NSN5961-01-207-9574 (NSN)
Federal Item NameTRANSISTOR
Federal Supply Class5961 — Semiconductor Devices And Associated Hardware
Current Rating2.50 AMPERES MAXIMUM DRAIN CURRENT
Terminals2 PIN AND 1 CASE
Mounting MethodTERMINAL AND UNTHREADED HOLE(S)
Overall Length1.573 INCHES MAXIMUM
Overall Width1.050 INCHES MAXIMUM
Overall Height0.450 INCHES MAXIMUM
Maximum Operating Temp Per Measure150.0 CELSIUS JUNCTION
Voltage Rating In Volts Per Charac350.0 MAXIMUM DRAIN TO GATE VOLTAGE
Power Rating Per Characteristic40.0 WATTS MAXIMUM TOTAL DEVICE DISSIPATION
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 IRF321 available?
We can source IRF321 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 IRF321 by Infineon Technologies Americas obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If IRF321 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 IRF321?
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 IRF321?
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.