The Transistor, cataloged under National Stock Number 5961-01-261-1947, is classified within Federal Supply Class 5961 (Semiconductor Devices and Associated Hardware) of the Electrical and Electronic Equipment Components group. Government technical data includes 4 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5961-01-261-1947 |
| Item Name | Transistor |
| FSC / FSG | 5961 / 59 — Semiconductor Devices and Associated Hardware |
| Status | ACTIVE |
| Voltage Rating in Volts Per Characteristic | 60.0 NOMINAL DRAIN TO SOURCE VOLTAGE AND 60.0 NOMINAL DRAIN TO GATE VOLTAGE |
| Joint Electronic Device Engineering Council/jedec/case Outline Designation | TO-205AF(TO-39) |
| Overall Diameter | 0.360 INCHES NOMINAL IN |
| Current Rating Per Characteristic | 6.00 AMPERES NOMINAL DRAIN CURRENT |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| IRFF121 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5961-01-261-1947 is a Transistor, classified under FSC 5961, Semiconductor Devices and Associated Hardware. Status: active.
Key specifications for 5961-01-261-1947: Voltage Rating in Volts Per Characteristic: 60.0 NOMINAL DRAIN TO SOURCE VOLTAGE AND 60.0 NOMINAL DRAIN TO GATE VOLTAGE; Joint Electronic Device Engineering Council/jedec/case Outline Designation: TO-205AF(TO-39); Overall Diameter: 0.360 INCHES NOMINAL IN; Current Rating Per Characteristic: 6.00 AMPERES NOMINAL DRAIN CURRENT. 4 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.