The Transistor, cataloged under National Stock Number 5961-01-342-0757, 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 National Semiconductor Corporation. Government technical data includes 10 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5961-01-342-0757 |
| Primary Part Number | TN2905A |
| Item Name | Transistor |
| FSC / FSG | 5961 / 59 — Semiconductor Devices and Associated Hardware |
| Manufacturer | National Semiconductor Corporation |
| Status | ACTIVE |
| Voltage Rating in Volts Per Characteristic | 60.0 MINIMUM COLLECTOR TO BASE VOLTAGE/STATIC/EMITTER OPEN AND 60.0 MINIMUM COLLECTOR TO EMITTER VOLTAGE/STATIC/BASE OPEN AND 5.0 MINIMUM EMITTER TO BASE VOLTAGE, STATIC, COLLECTOR OPEN |
| Joint Electronic Device Engineering Council/jedec/case Outline Designation | TO-237 |
| Terminal Length | 0.594 INCHES MINIMUM IN |
| Mounting Method | TERMINAL |
| Transfer Ratio | 50.0 MINIMUM STATIC FORWARD CURRENT TRANSFER RATIO, COMMON-EMITTER |
| Semiconductor Material | SILICON |
| Internal Configuration | JUNCTION CONTACT |
| Current Rating Per Characteristic | 10.00 NANOAMPERES MAXIMUM COLLECTOR CUTOFF CURRENT, DC, EMITTER OPEN |
| Material | PLASTIC ENCLOSURE |
| Terminal Type and Quantity | 3 UNINSULATED WIRE LEAD |
| 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 |
|---|---|
| TN2905A PRIMARY | National Semiconductor Corporation (USA) |
NSN 5961-01-342-0757 is a Transistor, manufactured by National Semiconductor Corporation, classified under FSC 5961, Semiconductor Devices and Associated Hardware. Status: active.
NSN 5961-01-342-0757 has 1 manufacturer part number on file: TN2905A (National Semiconductor Corporation).
Key specifications for TN2905A: Overall Height: 0.135 INCHES MINIMUM AND 0.145 INCHES MAXIMUM IN; Voltage Rating in Volts Per Characteristic: 60.0 MINIMUM COLLECTOR TO BASE VOLTAGE/STATIC/EMITTER OPEN AND 60.0 MINIMUM COLLECTOR TO EMITTER VOLTAGE/STATIC/BASE OPEN AND 5.0 MINIMUM EMITTER TO BASE VOLTAGE, STATIC, COLLECTOR OPEN; Joint Electronic Device Engineering Council/jedec/case Outline Designation: TO-237; Terminal Length: 0.594 INCHES MINIMUM IN. 10 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.