The Transistor, cataloged under National Stock Number 5961-01-258-4753, 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 Microsemi Corp.- Massachusetts Dba Microsemi Lawrence. Government technical data includes 15 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5961-01-258-4753 |
| Primary Part Number | TS-1261 |
| Item Name | Transistor |
| FSC / FSG | 5961 / 59 — Semiconductor Devices and Associated Hardware |
| Manufacturer | Microsemi Corp.- Massachusetts Dba Microsemi Lawrence |
| Status | ACTIVE |
| Voltage Rating in Volts Per Characteristic | -15.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-BASE, EMITTER OPEN AND -15.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-EMITTER, BASE OPEN AND -4.5 MAXIMUM BREAKDOWN VOLTAGE, EMITTER-TO-BASE, COLLECTOR OPEN |
| Maximum Operating Temp Per Measurement Point | 200.0 CELSIUS JUNCTION DEGC |
| Joint Electronic Device Engineering Council/jedec/case Outline Designation | T0-18 |
| Overall Diameter | 0.209 INCHES MINIMUM AND 0.230 INCHES MAXIMUM IN |
| Terminal Length | 0.500 INCHES MINIMUM IN |
| Mounting Method | TERMINAL |
| Semiconductor Material | SILICON |
| Internal Configuration | JUNCTION CONTACT |
| Features Provided | BURN IN AND HERMETICALLY SEALED CASE |
| Current Rating Per Characteristic | 50.00 MILLIAMPERES MAXIMUM COLLECTOR CURRENT, DC |
| Function for Which Designed | SWITCHING |
| Terminal Type and Quantity | 3 UNINSULATED WIRE LEAD |
| Terminal Circle Diameter | 0.100 INCHES NOMINAL IN |
| Electrode Internally-Electrically Connected to Case | COLLECTOR |
| Power Rating Per Characteristic | 700.0 MILLIWATTS 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 |
|---|---|
| TS-1261 | Microsemi Corp.- Massachusetts Dba Microsemi Lawrence (USA) |
| Reference | Meaning |
|---|---|
| 5812934P1 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5961-01-258-4753 is a Transistor, manufactured by Microsemi Corp.- Massachusetts Dba Microsemi Lawrence, classified under FSC 5961, Semiconductor Devices and Associated Hardware. Status: active.
NSN 5961-01-258-4753 has 1 manufacturer part number on file: TS-1261 (Microsemi Corp.- Massachusetts Dba Microsemi Lawrence).
Key specifications for TS-1261: Voltage Rating in Volts Per Characteristic: -15.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-BASE, EMITTER OPEN AND -15.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-EMITTER, BASE OPEN AND -4.5 MAXIMUM BREAKDOWN VOLTAGE, EMITTER-TO-BASE, COLLECTOR OPEN; Maximum Operating Temp Per Measurement Point: 200.0 CELSIUS JUNCTION DEGC; Joint Electronic Device Engineering Council/jedec/case Outline Designation: T0-18; Overall Diameter: 0.209 INCHES MINIMUM AND 0.230 INCHES MAXIMUM IN. 15 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.