The Transistor, cataloged under National Stock Number 5961-00-449-1748, is classified within Federal Supply Class 5961 (No Item Name Available) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is L3harris Technologies, Inc.. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5961-00-449-1748 |
| Primary Part Number | 63221-1 |
| Item Name | Transistor |
| FSC / FSG | 5961 / 59 — No Item Name Available |
| Manufacturer | L3harris Technologies, Inc. |
| Status | ACTIVE |
| Current Rating Per Characteristic | 50.00 MILLIAMPERES MAXIMUM GATE CURRENT |
| Terminal Circle Diameter | 0.100 INCHES NOMINAL IN |
| Power Rating Per Characteristic | 0.5 WATTS MAXIMUM TOTAL DEVICE DISSIPATION |
| Maximum Operating Temp Per Measurement Point | 200.0 CELSIUS JUNCTION DEGC |
| Precious Material | GOLD |
| Terminal Type and Quantity | 3 UNINSULATED WIRE LEAD |
| Internal Configuration | JUNCTION CONTACT |
| Voltage Rating in Volts Per Characteristic | 40.0 MAXIMUM DRAIN TO GATE VOLTAGE |
| Semiconductor Material | SILICON |
| Features Provided | HERMETICALLY SEALED CASE |
| Precious Material and Location | LEADS GOLD |
| Terminal Length | 0.500 INCHES MINIMUM IN |
| Overall Diameter | 0.195 INCHES MAXIMUM IN |
| Mounting Method | TERMINAL |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 63221-1 | L3harris Technologies, Inc. Div Space and Airborne Systems (USA) |
| 63221-1 PRIMARY | L3harris Technologies, Inc. (USA) |
| 63221-1 | Siliconix Incorporated Div Siliconix (USA) |
| 2N3971 | Siliconix Incorporated Div Siliconix (USA) |
| 2N3971 | Solitron Devices, Inc. (USA) |
| F1800 | Solitron Devices, Inc. (USA) |
| 63221-1 | Solitron Devices, Inc. (USA) |
NSN 5961-00-449-1748 is a Transistor, manufactured by L3harris Technologies, Inc., classified under FSC 5961 (No Item Name Available). Status: active.
NSN 5961-00-449-1748 has 7 cross-referenced part numbers: 63221-1 (L3harris Technologies, Inc. Div Space and Airborne Systems), 63221-1 (L3harris Technologies, Inc.), 63221-1 (Siliconix Incorporated Div Siliconix), 2N3971 (Siliconix Incorporated Div Siliconix), 2N3971 (Solitron Devices, Inc.) and 2 more.
There are 11 known substitutes for 5961-00-449-1748: 2320-00-003-2222, 5961-00-005-7008, 2320-00-111-5835 and 8 more. Verify interchangeability with system specifications before substitution.
Key specifications for 63221-1: Special Features: JUNCTION PATTERN ARRANGEMENT: NPN; Current Rating Per Characteristic: 50.00 MILLIAMPERES MAXIMUM GATE CURRENT; Terminal Circle Diameter: 0.100 INCHES NOMINAL IN; Overall Length: 0.210 INCHES MAXIMUM IN. 16 total characteristics are documented in the Federal Logistics Information System.