The Transistor, cataloged under National Stock Number 5961-00-497-4494, 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 Lockheed Martin Corporation Div Lockheed Martin Information Systems & Global Solutions. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5961-00-497-4494 |
| Primary Part Number | 66-189933-01 |
| Item Name | Transistor |
| FSC / FSG | 5961 / 59 — No Item Name Available |
| Manufacturer | Lockheed Martin Corporation Div Lockheed Martin Information Systems & Global Solutions |
| Status | ACTIVE |
| Mounting Method | TERMINAL |
| Internal Configuration | FIELD EFFECT |
| Voltage Rating in Volts Per Characteristic | 40.0 MAXIMUM BREAKDOWN VOLTAGE, DRAIN-TO-SOURCE, WITH ALL OTHER TERMINALS SHORT-CIRCUITED TO SOURCE AND 40.0 MAXIMUM BREAKDOWN VOLTAGE, GATE-TO-SOURCE, WITH ALL OTHER TERMINALS SHORT-CIRCUITED TO SOURCE |
| Semiconductor Material | SILICON |
| Overall Diameter | 0.195 INCHES MAXIMUM IN |
| Current Rating Per Characteristic | 50.00 MILLIAMPERES MAXIMUM COLLECTOR CURRENT, DC |
| Terminal Type and Quantity | 3 UNINSULATED WIRE LEAD |
| Features Provided | HERMETICALLY SEALED CASE |
| Terminal Circle Diameter | 0.100 INCHES NOMINAL IN |
| Terminal Length | 0.500 INCHES MINIMUM IN |
| Power Rating Per Characteristic | 1.8 WATTS MAXIMUM PEAK GATE POWER DISSIPATION |
| Electrode Internally-Electrically Connected to Case | GATE |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 2N3970 | Solitron Devices, Inc. (USA) |
| 66-189933-01 | Lockheed Martin Corporation Div Lockheed Martin Information Systems & Global Solutions (USA) |
| 66-189933-01 PRIMARY | Lockheed Martin Corporation Div Lockheed Martin Information Systems & Global Solutions (USA) |
| 2N3970 | Telcom Semiconductor Inc (USA) |
| U2190 | Telcom Semiconductor Inc (USA) |
NSN 5961-00-497-4494 is a Transistor, manufactured by Lockheed Martin Corporation Div Lockheed Martin Information Systems & Global Solutions, classified under FSC 5961 (No Item Name Available). Status: active.
NSN 5961-00-497-4494 has 5 cross-referenced part numbers: 2N3970 (Solitron Devices, Inc.), 66-189933-01 (Lockheed Martin Corporation Div Lockheed Martin Information Systems & Global Solutions), 66-189933-01 (Lockheed Martin Corporation Div Lockheed Martin Information Systems & Global Solutions), 2N3970 (Telcom Semiconductor Inc), U2190 (Telcom Semiconductor Inc).
There are 2 known substitutes for 5961-00-497-4494: 5961-00-165-2996, 5961-00-902-0155. Verify interchangeability with system specifications before substitution.
Key specifications for 66-189933-01: Mounting Method: TERMINAL; Internal Configuration: FIELD EFFECT; Voltage Rating in Volts Per Characteristic: 40.0 MAXIMUM BREAKDOWN VOLTAGE, DRAIN-TO-SOURCE, WITH ALL OTHER TERMINALS SHORT-CIRCUITED TO SOURCE AND 40.0 MAXIMUM BREAKDOWN VOLTAGE, GATE-TO-SOURCE, WITH ALL OTHER TERMINALS SHORT-CIRCUITED TO SOURCE; Semiconductor Material: SILICON. 14 total characteristics are documented in the Federal Logistics Information System.