The Transistor, cataloged under National Stock Number 5961-01-357-1124, 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 Astronics Test Systems 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5961-01-357-1124 |
| Primary Part Number | R-22-6163 |
| Item Name | Transistor |
| FSC / FSG | 5961 / 59 — Semiconductor Devices and Associated Hardware |
| Manufacturer | Astronics Test Systems Inc |
| Status | ACTIVE |
| Voltage Rating in Volts Per Characteristic | 30.0 MINIMUM BREAKDOWN VOLTAGE, GATE-TO-SOURCE, WITH ALL OTHER TERMINALS SHORT-CIRCUITED TO SOURCE |
| Joint Electronic Device Engineering Council/jedec/case Outline Designation | TO-226AA |
| Terminal Length | 0.500 INCHES MINIMUM IN |
| Mounting Method | TERMINAL |
| Semiconductor Material | SILICON |
| Internal Configuration | FIELD EFFECT |
| Current Rating Per Characteristic | 7.00 MILLIAMPERES MAXIMUM ZERO-GATE-VOLTAGE DRAIN CURRENT |
| Material | PLASTIC ENCLOSURE |
| Terminal Type and Quantity | 3 UNINSULATED WIRE LEAD |
| Power Rating Per Characteristic | 360.0 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 |
|---|---|
| 22-6163 | Racal Instruments Wireless Solutions Ltd, an Aeroflex Company (GBR) |
| R-22-6163 PRIMARY | Astronics Test Systems Inc (USA) |
| Reference | Meaning |
|---|---|
| BF256A | 5/9 Secondary reference Freescale Semiconductor, Inc. |
| BF256A | 5/9 Secondary reference Mullard Inc |
| 22-6163 | 5/9 Secondary reference Racal Instruments Ltd |
NSN 5961-01-357-1124 is a Transistor, manufactured by Astronics Test Systems Inc, classified under FSC 5961, Semiconductor Devices and Associated Hardware. Status: active.
NSN 5961-01-357-1124 has 2 manufacturer part numbers on file: 22-6163 (Racal Instruments Wireless Solutions Ltd, an Aeroflex Company), R-22-6163 (Astronics Test Systems Inc).
Key specifications for R-22-6163: Overall Height: 0.125 INCHES MINIMUM AND 0.165 INCHES MAXIMUM IN; Voltage Rating in Volts Per Characteristic: 30.0 MINIMUM BREAKDOWN VOLTAGE, GATE-TO-SOURCE, WITH ALL OTHER TERMINALS SHORT-CIRCUITED TO SOURCE; Joint Electronic Device Engineering Council/jedec/case Outline Designation: TO-226AA; Terminal Length: 0.500 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.