Interfet · Electronic Components
2N4221A
TRANSISTOR — NSN 5961-00-617-3670
Part Number2N4221A
ManufacturerInterfet
AvailabilityAvailable to order — request a quote
Specifications
NSN5961-00-617-3670 (NSN)
Federal Item NameTRANSISTOR
Federal Supply Class5961 — Semiconductor Devices And Associated Hardware
Current Rating15.00 MILLIAMPERES MAXIMUM OFF-STATE CURRENT, DC AND 10.00 MILLIAMPERES MAXIMUM GATE CURRENT
Terminals4 UNINSULATED WIRE LEAD
Mounting MethodTERMINAL
Overall Length0.170 INCHES MINIMUM AND 0.210 INCHES MAXIMUM
Overall Diameter0.209 INCHES MINIMUM AND 0.230 INCHES MAXIMUM
Internal ConfigurationFIELD EFFECT
Features ProvidedHERMETICALLY SEALED CASE
Voltage Rating In Volts Per Charac30.0 MAXIMUM BREAKDOWN VOLTAGE, DRAIN-TO-SOURCE, WITH ALL OTHER TERMINALS SHORT-CIRCUITED TO SOURCE AND 30.0 MAXIMUM BRE
Power Rating Per Characteristic300.0 MILLIWATTS 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 2N4221A available?
We can source 2N4221A 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 2N4221A by Interfet obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 2N4221A 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 2N4221A?
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 2N4221A?
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.