The Transistor, cataloged under National Stock Number 5961-00-357-0115, 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 Vishay. 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5961-00-357-0115 |
| Primary Part Number | BCY71 |
| Item Name | Transistor |
| FSC / FSG | 5961 / 59 — Semiconductor Devices and Associated Hardware |
| Manufacturer | Vishay |
| Status | ACTIVE |
| Voltage Rating in Volts Per Characteristic | 45.0 MAXIMUM COLLECTOR TO EMITTER VOLTAGE/STATIC/BASE OPEN |
| Joint Electronic Device Engineering Council/jedec/case Outline Designation | TO-18 |
| Overall Diameter | 5.8 MILLIMETERS MAXIMUM MM |
| Terminal Length | 12.7 MILLIMETERS MINIMUM MM |
| Mounting Method | TERMINAL |
| Semiconductor Material | SILICON |
| Internal Configuration | JUNCTION CONTACT |
| Current Rating Per Characteristic | 0.20 AMPERES MAXIMUM COLLECTOR CURRENT, DC |
| Terminal Type and Quantity | 3 UNINSULATED WIRE LEAD |
| Power Rating Per Characteristic | 0.35 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 |
|---|---|
| BCY71 | British Sarozal Ltd (GBR) |
| BCY71 PRIMARY | Vishay (GBR) |
| Reference | Meaning |
|---|---|
| 22-6038 | C/1 Advisory reference — outside the item-of-supply concept Astronics Test Systems Inc |
| BCY71 | 5/9 Secondary reference Philips Components |
| BCY71 | 5/9 Secondary reference National Semiconductor Corporation |
| PS-301442 | C/1 Advisory reference — outside the item-of-supply concept Leonardo Mw Ltd |
NSN 5961-00-357-0115 is a Transistor, manufactured by Vishay, classified under FSC 5961, Semiconductor Devices and Associated Hardware. Status: active.
NSN 5961-00-357-0115 has 2 manufacturer part numbers on file: BCY71 (British Sarozal Ltd), BCY71 (Vishay).
Key specifications for BCY71: Voltage Rating in Volts Per Characteristic: 45.0 MAXIMUM COLLECTOR TO EMITTER VOLTAGE/STATIC/BASE OPEN; Joint Electronic Device Engineering Council/jedec/case Outline Designation: TO-18; Overall Diameter: 5.8 MILLIMETERS MAXIMUM MM; Terminal Length: 12.7 MILLIMETERS MINIMUM MM. 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.