Semiconductor Technology, Inc. · Electronic Components
ST1129
SEMICONDUCTOR DEVICES,UNITIZED — NSN 5961-01-395-5843
Part NumberST1129
ManufacturerSemiconductor Technology, Inc.
AvailabilityAvailable to order — request a quote
Specifications
NSN5961-01-395-5843 (NSN)
Federal Item NameSEMICONDUCTOR DEVICES,UNITIZED
Federal Supply Class5961 — Semiconductor Devices And Associated Hardware
Current Rating500.00 MILLIAMPERES MAXIMUM COLLECTOR CURRENT, DC ALL TRANSISTOR
Terminals6 UNINSULATED WIRE LEAD
Mounting MethodTERMINAL
Overall Length0.220 INCHES MAXIMUM
Overall Diameter0.335 INCHES MINIMUM AND 0.370 INCHES MAXIMUM
Maximum Operating Temp Per Measure200.0 CELSIUS JUNCTION
Voltage Rating In Volts Per Charac40.0 MINIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-BASE, EMITTER OPEN AND 15.0 MINIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-EMITTE
Power Rating Per Characteristic500.0 MILLIWATTS MAXIMUM TOTAL DEVICE DISSIPATION ALL TRANSISTOR
Special FeaturesALL TRANSISTOR JUNCTION PATTERN ARRANGEMENT: NPN
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 ST1129 available?
We can source ST1129 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 ST1129 by Semiconductor Technology, Inc. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If ST1129 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 ST1129?
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 ST1129?
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.