The Transistor, cataloged under National Stock Number 5961-00-491-1431, 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 Honeywell International, Inc Div Aerospace-Tucson. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 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 | 5961-00-491-1431 |
| Primary Part Number | 1544542-1 |
| Item Name | Transistor |
| FSC / FSG | 5961 / 59 — No Item Name Available |
| Manufacturer | Honeywell International, Inc Div Aerospace-Tucson |
| Status | ACTIVE |
| Voltage Rating in Volts Per Characteristic | 80.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-BASE, EMITTER OPEN |
| Features Provided | HERMETICALLY SEALED CASE |
| Mounting Method | TERMINAL |
| Power Rating Per Characteristic | 300.0 WATTS MAXIMUM COLLECTOR POWER DISSIPATION |
| Semiconductor Material | SILICON |
| Overall Diameter | 0.312 INCHES NOMINAL IN |
| Terminal Length | 0.500 INCHES MINIMUM IN |
| Terminal Type and Quantity | 3 UNINSULATED WIRE LEAD |
| Terminal Circle Diameter | 0.200 INCHES NOMINAL IN |
| Maximum Operating Temp Per Measurement Point | 125.0 CELSIUS AMBIENT AIR DEGC |
| Internal Configuration | JUNCTION CONTACT |
| Current Rating Per Characteristic | 500.00 AMPERES MAXIMUM COLLECTOR CURRENT, DC |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 5961-00-491-1431 is a Transistor, manufactured by Honeywell International, Inc Div Aerospace-Tucson, classified under FSC 5961 (No Item Name Available). Status: active.
NSN 5961-00-491-1431 has 3 cross-referenced part numbers: 1544542-1 (Honeywell International, Inc Div Aerospace-Tucson), 2N3569 (Fairchild Semiconductor Corp), 1544542-1 (Allied Signal Inc Aerospace Equipment Systems Eatontown Site).
There are 2 known substitutes for 5961-00-491-1431: 5961-00-387-2890, 5961-00-437-6697. Verify interchangeability with system specifications before substitution.
Key specifications for 1544542-1: Voltage Rating in Volts Per Characteristic: 80.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-BASE, EMITTER OPEN; Features Provided: HERMETICALLY SEALED CASE; Mounting Method: TERMINAL; Power Rating Per Characteristic: 300.0 WATTS MAXIMUM COLLECTOR POWER DISSIPATION. 14 total characteristics are documented in the Federal Logistics Information System.