Solitron Devices · Electronic Components
12BB129
SEMICONDUCTOR DEVICE SET — NSN 5961-00-455-2000
Part Number12BB129
ManufacturerSolitron Devices
AvailabilityAvailable to order — request a quote
Specifications
NSN5961-00-455-2000 (NSN)
Federal Item NameSEMICONDUCTOR DEVICE SET
Federal Supply Class5961 — Semiconductor Devices And Associated Hardware
Current Rating10.00 AMPERES MAXIMUM COLLECTOR CURRENT, DC ALL TRANSISTOR
Terminals3 TAB, SOLDER LUG ALL TRANSISTOR
Mounting MethodTHREADED STUD(S) ALL TRANSISTOR
Overall Length1.062 INCHES MINIMUM AND 1.245 INCHES MAXIMUM ALL TRANSISTOR
Maximum Operating Temp Per Measure175.0 CELSIUS JUNCTION ALL TRANSISTOR
Thread Series DesignatorUNF ALL TRANSISTOR
Component Function RelationshipMATCHED
Internal ConfigurationJUNCTION CONTACT ALL TRANSISTOR
Criticality Code JustificationFEAT
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 12BB129 available?
We can source 12BB129 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 12BB129 by Solitron Devices obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 12BB129 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 12BB129?
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 12BB129?
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.