Silicon Transistor Corporation · Electronic Components
STA 9509
TRANSISTOR — NSN 5961-01-224-5665
Part NumberSTA 9509
ManufacturerSilicon Transistor Corporation
AvailabilityAvailable to order — request a quote
Specifications
NSN5961-01-224-5665 (NSN)
Federal Item NameTRANSISTOR
Federal Supply Class5961 — Semiconductor Devices And Associated Hardware
Current Rating3.00 AMPERES MAXIMUM COLLECTOR CURRENT, DC AND 0.30 AMPERES MAXIMUM BASE CURRENT, DC
Terminals2 TAB, SOLDER LUG AND 1 WIRE HOOK
Mounting MethodTHREADED STUD(S)
Overall Length1.130 INCHES MAXIMUM
Thread Series DesignatorUNF
Nominal Thread Size0.190 INCHES
Transfer Ratio20.0 MINIMUM STATIC FORWARD CURRENT TRANSFER RATIO, COMMON-EMITTER
Maximum Operating Temp Per Measure200.0 CELSIUS AMBIENT AIR
Internal ConfigurationJUNCTION CONTACT
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 STA 9509 available?
We can source STA 9509 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 STA 9509 by Silicon Transistor Corporation obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If STA 9509 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 STA 9509?
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 STA 9509?
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.