The Transistor, cataloged under National Stock Number 5961-01-103-9699, 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 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5961-01-103-9699 |
| Primary Part Number | 2N6657 |
| Item Name | Transistor |
| FSC / FSG | 5961 / 59 — Semiconductor Devices and Associated Hardware |
| Manufacturer | Solitron Devices, Inc. |
| Status | ACTIVE |
| Voltage Rating in Volts Per Characteristic | 60.0 MAXIMUM BREAKDOWN VOLTAGE, DRAIN-TO-SOURCE, WITH ALL OTHER TERMINALS SHORT-CIRCUITED TO SOURCE |
| Maximum Operating Temp Per Measurement Point | 150.0 CELSIUS CASE DEGC |
| Mounting Facility Quantity | 2 |
| Joint Electronic Device Engineering Council/jedec/case Outline Designation | TO-3 |
| Mounting Method | UNTHREADED HOLE(S) |
| Semiconductor Material | SILICON |
| Internal Configuration | FIELD EFFECT |
| Current Rating Per Characteristic | 2.00 AMPERES MAXIMUM ZERO-GATE-VOLTAGE DRAIN CURRENT |
| Terminal Type and Quantity | 1 CASE AND 2 PIN |
| Power Rating Per Characteristic | 25.0 WATTS MAXIMUM TOTAL DEVICE 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 |
|---|---|
| 2N6657 | Solitron Devices, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 2N6657 | C/1 Advisory reference — outside the item-of-supply concept Fairchild Semiconductor Corp |
| 2N6657 | 3/9 Design control — primary reference Siliconix Incorporated Div Siliconix |
NSN 5961-01-103-9699 is a Transistor, manufactured by Solitron Devices, Inc., classified under FSC 5961, Semiconductor Devices and Associated Hardware. Status: active.
NSN 5961-01-103-9699 has 1 manufacturer part number on file: 2N6657 (Solitron Devices, Inc.).
Key specifications for 2N6657: Overall Height: 0.250 INCHES MINIMUM AND 0.450 INCHES MAXIMUM IN; Voltage Rating in Volts Per Characteristic: 60.0 MAXIMUM BREAKDOWN VOLTAGE, DRAIN-TO-SOURCE, WITH ALL OTHER TERMINALS SHORT-CIRCUITED TO SOURCE; Maximum Operating Temp Per Measurement Point: 150.0 CELSIUS CASE DEGC; Mounting Facility Quantity: 2. 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.