ON Semiconductor · Electronic Components
J309
TRANS GP JFET N-CH 25V TO-92
Part NumberJ309
ManufacturerON Semiconductor
AvailabilityAvailable to order — request a quote
Specifications
NSN5961-01-032-0462 (NSN)
Additional NSNs5961-01-345-8694
Federal Item NameTRANSISTOR
MaterialPLASTIC ENCLOSURE
Current Rating10.00 MILLIAMPERES MAXIMUM GATE CURRENT
Terminals4 UNINSULATED WIRE LEAD
Mounting MethodTERMINAL
Overall Length0.240 INCHES MAXIMUM
Overall Height0.240 INCHES MAXIMUM
Overall Diameter0.222 INCHES MAXIMUM
Power Rating Per Characteristic350.0 MILLIWATTS MAXIMUM TOTAL DEVICE DISSIPATION
Terminal Circle Diameter0.100 INCHES NOMINAL
Semiconductor MaterialSILICON
Federal Supply Class5961 — Semiconductor Devices And Associated Hardware
Cancelled NSN7110-01-181-6985 (cancelled)
NSN Cancelled Date30-APR-2010
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 J309 available?
We can source J309 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 J309 by ON Semiconductor obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If J309 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 J309?
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 J309?
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.