The Transistor, cataloged under National Stock Number 5961-01-047-6726, 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 Solitron Devices, Inc.. Government technical data includes 13 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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.
| Parameter | Value |
|---|---|
| NSN | 5961-01-047-6726 |
| Primary Part Number | 79BB122 |
| Item Name | Transistor |
| FSC / FSG | 5961 / 59 — Semiconductor Devices and Associated Hardware |
| Manufacturer | Solitron Devices, Inc. |
| Status | ACTIVE |
| Voltage Rating in Volts Per Characteristic | 200.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-BASE, EMITTER OPEN AND 175.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-EMITTER, BASE OPEN AND 7.5 MAXIMUM BREAKDOWN VOLTAGE, EMITTER-TO-BASE, COLLECTOR OPEN |
| Mounting Facility Quantity | 1 |
| Mounting Method | THREADED STUD(S) |
| Semiconductor Material | SILICON |
| Internal Configuration | JUNCTION CONTACT-DARLINGTON CONNECTED |
| Features Provided | HERMETICALLY SEALED CASE |
| Overall Width Across Flats | 0.667 INCHES MINIMUM AND 0.687 INCHES MAXIMUM IN |
| Nominal Thread Size | 0.250 INCHES IN |
| Current Rating Per Characteristic | 25.00 AMPERES MAXIMUM COLLECTOR CURRENT, DC |
| Test Data Document | 09150-3137911 DRAWING (THIS IS THE BASIC GOVERNING DRAWING, SUCH AS A CONTRACTOR DRAWING, ORIGINAL EQUIPMENT MANUFACTURER DRAWING, ETC.; EXCLUDES ANY SPECIFICATION, STANDARD OR OTHER DOCUMENT THAT MAY BE REFERENCED IN A BASIC GOVERNING DRAWING) |
| Terminal Type and Quantity | 3 TAB, SOLDER LUG |
| Thread Series Designator | UNF |
| Power Rating Per Characteristic | 100.0 WATTS MAXIMUM TOTAL POWER DISSIPATION |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 79BB122 | Solitron Devices, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 3137911-01 | 3/9 Design control — primary reference Ampex Data Systems Corporation Dba Ampex Intelligent Systems |
| 3137911-01 | 5/9 Secondary reference Ampex Data Systems Corp Computer Products Div |
NSN 5961-01-047-6726 is a Transistor, manufactured by Solitron Devices, Inc., classified under FSC 5961, Semiconductor Devices and Associated Hardware. Status: active.
NSN 5961-01-047-6726 has 1 manufacturer part number on file: 79BB122 (Solitron Devices, Inc.).
Key specifications for 79BB122: Overall Height: 0.325 INCHES MINIMUM AND 0.460 INCHES MAXIMUM IN; Voltage Rating in Volts Per Characteristic: 200.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-BASE, EMITTER OPEN AND 175.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-EMITTER, BASE OPEN AND 7.5 MAXIMUM BREAKDOWN VOLTAGE, EMITTER-TO-BASE, COLLECTOR OPEN; Mounting Facility Quantity: 1; Mounting Method: THREADED STUD(S). 13 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
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.