Solid State Devices, Inc. · Electronic Components
SPTX-1843
TRANSISTOR — NSN 5961-00-487-3323
Part NumberSPTX-1843
ManufacturerSolid State Devices, Inc.
AvailabilityAvailable to order — request a quote
Specifications
NSN5961-00-487-3323 (NSN)
Federal Item NameTRANSISTOR
Federal Supply Class5961 — Semiconductor Devices And Associated Hardware
Current Rating30.00 AMPERES MAXIMUM PEAK POINT CURRENT
Terminals1 CASE AND 2 TAB, SOLDER LUG
Mounting MethodUNTHREADED HOLE(S)
Overall Length1.573 INCHES MAXIMUM
Overall Width1.050 INCHES MAXIMUM
Overall Height0.360 INCHES MAXIMUM
Semiconductor MaterialSILICON
Power Rating Per Characteristic175.0 WATTS MAXIMUM TOTAL POWER DISSIPATION
Electrode Internally ElectricallyCOLLECTOR
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 SPTX-1843 available?
We can source SPTX-1843 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 SPTX-1843 by Solid State Devices, Inc. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If SPTX-1843 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 SPTX-1843?
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 SPTX-1843?
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.