The Transistor, cataloged under National Stock Number 5961-00-104-5855, 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 National Semiconductor Corporation. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 11 commercial cross-references from 9 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5961-00-104-5855 |
| Primary Part Number | 2N4221 |
| Item Name | Transistor |
| FSC / FSG | 5961 / 59 — No Item Name Available |
| Manufacturer | National Semiconductor Corporation |
| Status | ACTIVE |
| Terminal Type and Quantity | 4 UNINSULATED WIRE LEAD4 UNINSULATED WIRE LEAD |
| Semiconductor Material | SILICONSILICON |
| Mounting Method | TERMINALTERMINAL |
| Terminal Length | 0.500 INCHES MINIMUM0.500 INCHES MINIMUM IN |
| Overall Diameter | 0.230 INCHES MAXIMUM0.230 INCHES MAXIMUM IN |
| Internal Configuration | FIELD EFFECTFIELD EFFECT |
| Power Rating Per Characteristic | 300.0 MILLIWATTS MAXIMUM TOTAL DEVICE DISSIPATION300.0 MILLIWATTS MAXIMUM TOTAL DEVICE DISSIPATION |
| Features Provided | HERMETICALLY SEALED CASEHERMETICALLY SEALED CASE |
| Current Rating Per Characteristic | 15.00 MILLIAMPERES MAXIMUM DRAIN CURRENT AND 15.00 MILLIAMPERES MAXIMUM DRAIN CURRENT AND 10.00 MILLIAMPERES MAXIMUM GATE CURRENT10.00 MILLIAMPERES MAXIMUM GATE CURRENT |
| Voltage Rating in Volts Per Characteristic | 30.0 MAXIMUM BREAKDOWN VOLTAGE, DRAIN-TO-SOURCE, WITH ALL OTHER TERMINALS SHORT-CIRCUITED TO SOURCE AND 30.0 MAXIMUM BREAKDOWN VOLTAGE, DRAIN-TO-SOURCE, WITH ALL OTHER TERMINALS SHORT-CIRCUITED TO SOURCE AND 30.0 MAXIMUM BREAKDOWN VOLTAGE, GATE-TO-SOURCE, WITH ALL OTHER TERMINALS SHORT-CIRCUITED TO SOURCE30.0 MAXIMUM BREAKDOWN VOLTAGE, GATE-TO-SOURCE, WITH ALL OTHER TERMINALS SHORT-CIRCUITED TO SOURCE |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 2N4221 | National Semiconductor Corporation (USA) |
| 2N4221 | Siliconix Incorporated Div Siliconix (USA) |
| 2N4221 | Adelco Elektronik Gmbh (DEU) |
| 2N4221 | Freescale Semiconductor, Inc. (USA) |
| 2N4221 | Cramer Products Co (USA) |
| 2N4221 | Electronic Industries Association |
| 2N4221 | Lacon Electronic Gmbh (DEU) |
| JAN2N4221 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| 2N4221A | Adelco Elektronik Gmbh (DEU) |
| 352-0740-020 | Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems (USA) |
| RELEASE5238 | Electronic Industries Association |
NSN 5961-00-104-5855 is a Transistor, manufactured by National Semiconductor Corporation, classified under FSC 5961 (No Item Name Available). Status: active.
NSN 5961-00-104-5855 has 11 cross-referenced part numbers: 2N4221 (National Semiconductor Corporation), 2N4221 (Siliconix Incorporated Div Siliconix), 2N4221 (Adelco Elektronik Gmbh), 2N4221 (Freescale Semiconductor, Inc.), 2N4221 (Cramer Products Co) and 6 more.
There are 8 known substitutes for 5961-00-104-5855: 5961-00-062-3131, 5961-00-106-3711, 5961-00-241-3420 and 5 more. Verify interchangeability with system specifications before substitution.
Key specifications for 2N4221: Terminal Type and Quantity: 4 UNINSULATED WIRE LEAD4 UNINSULATED WIRE LEAD; Semiconductor Material: SILICONSILICON; Mounting Method: TERMINALTERMINAL; Terminal Length: 0.500 INCHES MINIMUM0.500 INCHES MINIMUM IN. 11 total characteristics are documented in the Federal Logistics Information System.