NSN 5961-01-293-9211 — this item is cataloged by the U.S. Government under National Stock Number 5961-01-293-9211. Manufacturer of record part number: BU508A.
Also searched as5961-01-293-9211 ·
5961012939211 ·
NIIN 012939211 ·
01-293-9211 ·
FSC 5961 Semiconductor Devices and Associated Hardware · CAGE 57962 · BU508A · 207287-001
Terminal Length: 0.500 INCHES MINIMUM AND 0.610 INCHES MAXIMUM IN
Mounting Method: TERMINAL
Semiconductor Material: SILICON
Internal Configuration: JUNCTION CONTACT
Current Rating Per Characteristic: 4.50 AMPERES NOMINAL COLLECTOR CURRENT, INSTANTANEOUS
Identification
NSN: 5961-01-293-9211
NIIN: 012939211
FSC: 5961 — Semiconductor Devices and Associated Hardware
FSG: 59 — Electrical and Electronic Equipment Components
Primary part number: BU508A
Manufacturer: Stmicroelectronics Inc
General Description
The Transistor, cataloged under National Stock Number 5961-01-293-9211, is classified within Federal Supply Class 5961 (Semiconductor Devices and Associated Hardware) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Stmicroelectronics Inc. Government technical data includes 10 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
5961-01-293-9211
Primary Part Number
BU508A
Item Name
Transistor
FSC / FSG
5961 / 59 — Semiconductor Devices and Associated Hardware
Manufacturer
Stmicroelectronics Inc
Status
ACTIVE
Voltage Rating in Volts Per Characteristic
700.0 MINIMUM COLLECTOR-TO-EMITTER, SUBSTAINING VOLTAGE, BASE OPEN-CIRCUITED
Other items in FSC 5961 — Semiconductor Devices and Associated Hardware
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5961-00-000-0150
RECTIFIER,SEMICONDUCTOR DEVICE,U
5961-00-000-4541
5961-00-000-4541 · Item name not on file
5961-00-000-5400
5961-00-000-5400 · Item name not on file
5961-00-000-7614
5961-00-000-7614 · Item name not on file
5961-00-000-8760
5961-00-000-8760 · Item name not on file
5961-00-001-1352
5961-00-001-1352 · Item name not on file
5961-00-001-2624
5961-00-001-2624 · Item name not on file
5961-00-001-2978
SEMICONDUCTOR DEVICE,DIODE
Frequently Asked Questions
What is NSN 5961-01-293-9211?
NSN 5961-01-293-9211 is a Transistor, manufactured by Stmicroelectronics Inc, classified under FSC 5961, Semiconductor Devices and Associated Hardware. Status: active.
What part numbers are listed for NSN 5961-01-293-9211?
NSN 5961-01-293-9211 has 2 manufacturer part numbers on file: BU508A (Stmicroelectronics Inc), BU508A (British Sarozal Ltd).
What are the specifications of BU508A?
Key specifications for BU508A: Overall Height: 0.165 INCHES MINIMUM AND 0.200 INCHES MAXIMUM IN; Voltage Rating in Volts Per Characteristic: 700.0 MINIMUM COLLECTOR-TO-EMITTER, SUBSTAINING VOLTAGE, BASE OPEN-CIRCUITED; Joint Electronic Device Engineering Council/jedec/case Outline Designation: TO-218AC; Terminal Length: 0.500 INCHES MINIMUM AND 0.610 INCHES MAXIMUM IN. 10 specifications are documented in the U.S. Government catalog.
Is NSN 5961-01-293-9211 hazardous material?
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
Sources
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.