The Transistor, cataloged under National Stock Number 5961-01-155-7824, 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 Solid State Devices, Inc. Government technical data includes 9 specifications, cited from the U.S. Government catalog. The record lists 4 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5961-01-155-7824 |
| Primary Part Number | SM-B-416405 |
| Item Name | Transistor |
| FSC / FSG | 5961 / 59 — Semiconductor Devices and Associated Hardware |
| Manufacturer | Solid State Devices, Inc |
| Status | ACTIVE |
| Voltage Rating in Volts Per Characteristic | 20.0 MAXIMUM COLLECTOR-TO-EMITTER, RESISTANCE BETWEEN BASE AND EMITTER AND 20.0 MAXIMUM COLLECTOR TO BASE VOLTAGE/STATIC/EMITTER OPEN AND 3.0 MAXIMUM EMITTER TO BASE VOLTAGE, STATIC, COLLECTOR OPEN |
| Overall Diameter | 0.225 INCHES MAXIMUM IN |
| Terminal Length | 0.500 INCHES MINIMUM IN |
| Mounting Method | TERMINAL |
| Semiconductor Material | SILICON |
| Internal Configuration | JUNCTION CONTACT |
| Terminal Type and Quantity | 3 UNINSULATED WIRE LEAD |
| Terminal Circle Diameter | 0.100 INCHES NOMINAL IN |
| Power Rating Per Characteristic | 3.0 WATTS 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 |
|---|---|
| SM-B-416405 | Solid State Devices, Inc (USA) |
| SM-B-416405 | Advanced Semiconductor,inc. Dba Advanced Semiconductor Inc (USA) |
| SM-B-416405 | Semitronics Corp (USA) |
| 2N989 | Hybrid Semiconductors & Electronics Inc Dba Hybrid Semi Conductors & Electronics (USA) |
| Reference | Meaning |
|---|---|
| SMB416405 | C/1 Advisory reference — outside the item-of-supply concept Naval Inventory Control Point Mechanicsburg |
| 2N989 | 5/1 Secondary reference Solid State Devices, Inc |
| SM-B-416405 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5961-01-155-7824 is a Transistor, manufactured by Solid State Devices, Inc, classified under FSC 5961, Semiconductor Devices and Associated Hardware. Status: active.
NSN 5961-01-155-7824 has 4 manufacturer part numbers on file: SM-B-416405 (Solid State Devices, Inc), SM-B-416405 (Advanced Semiconductor,inc. Dba Advanced Semiconductor Inc), SM-B-416405 (Semitronics Corp), 2N989 (Hybrid Semiconductors & Electronics Inc Dba Hybrid Semi Conductors & Electronics).
Key specifications for SM-B-416405: Voltage Rating in Volts Per Characteristic: 20.0 MAXIMUM COLLECTOR-TO-EMITTER, RESISTANCE BETWEEN BASE AND EMITTER AND 20.0 MAXIMUM COLLECTOR TO BASE VOLTAGE/STATIC/EMITTER OPEN AND 3.0 MAXIMUM EMITTER TO BASE VOLTAGE, STATIC, COLLECTOR OPEN; Overall Diameter: 0.225 INCHES MAXIMUM IN; Terminal Length: 0.500 INCHES MINIMUM IN; Mounting Method: TERMINAL. 9 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.