The Transistor, cataloged under National Stock Number 5961-01-074-8421, 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 Microsemi Corp - Massachusetts. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 5961-01-074-8421 |
| Primary Part Number | 2N6543 |
| Item Name | Transistor |
| FSC / FSG | 5961 / 59 — No Item Name Available |
| Manufacturer | Microsemi Corp - Massachusetts |
| Status | CANCELLED |
| Specification/standard Data | 80131-RELEASE6579 PROFESSIONAL/INDUSTRIAL ASSOCIATION SPECIFICATION |
| Electrode Internally-Electrically Connected to Case | COLLECTOR |
| Mounting Facility Quantity | 2 |
| Maximum Operating Temp Per Measurement Point | 200.0 CELSIUS JUNCTION DEGC |
| Voltage Rating in Volts Per Characteristic | 850.0 MAXIMUM COLLECTOR TO BASE VOLTAGE/STATIC/EMITTER OPEN AND 400.0 MAXIMUM COLLECTOR TO EMITTER VOLTAGE/STATIC/BASE OPEN AND 8.0 MAXIMUM EMITTER TO BASE VOLTAGE, STATIC, COLLECTOR OPEN |
| Mounting Method | UNTHREADED HOLE(S) |
| Power Rating Per Characteristic | 100.0 WATTS MAXIMUM TOTAL POWER DISSIPATION |
| Internal Configuration | JUNCTION CONTACT |
| Joint Electronic Device Engineering Council/jedec/case Outline Designation | TO-3 |
| Terminal Type and Quantity | 2 PIN AND 1 CASE |
| Semiconductor Material | SILICON |
| Criticality Code Justification | FEAT |
| Current Rating Per Characteristic | 5.00 AMPERES MAXIMUM BASE CURRENT, DC AND 5.00 AMPERES MAXIMUM COLLECTOR CURRENT, DC |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 2N6543 | On Semiconductor Corporation (USA) |
| 2N6543 PRIMARY | Microsemi Corp - Massachusetts (USA) |
| 2N6543 | Freescale Semiconductor, Inc. (USA) |
| RELEASE6578 | Electronic Industries Association |
| 167372-2 | Raytheon Company Div Corp (USA) |
| 2N6543 | Electronic Industries Association |
| 2N6543 | International Rectifier Corporation (USA) |
NSN 5961-01-074-8421 is a Transistor, manufactured by Microsemi Corp - Massachusetts, classified under FSC 5961 (No Item Name Available). Status: cancelled.
NSN 5961-01-074-8421 has 7 cross-referenced part numbers: 2N6543 (On Semiconductor Corporation), 2N6543 (Microsemi Corp - Massachusetts), 2N6543 (Freescale Semiconductor, Inc.), RELEASE6578 (Electronic Industries Association), 167372-2 (Raytheon Company Div Corp) and 2 more.
There are 3 known substitutes for 5961-01-074-8421: 5961-01-033-2332, 5961-01-079-4500, 5961-01-095-8468. Verify interchangeability with system specifications before substitution.
Key specifications for 2N6543: Specification/standard Data: 80131-RELEASE6579 PROFESSIONAL/INDUSTRIAL ASSOCIATION SPECIFICATION; Overall Height: 0.250 INCHES MINIMUM AND 0.450 INCHES MAXIMUM IN; Overall Width: 1.050 INCHES MAXIMUM IN; End Item Identification: SUPPORT EQUIPMENT, T-38 AIRCRAFT; SUPPORT EQUIPMENT, T-37 AIRCRAFT; SUPPORT EQUIPMENT, F-16 AIRCRAFT; PAVE PHASED ARRAY WARNING SYS (PAWS). 18 total characteristics are documented in the Federal Logistics Information System.
NSN 5961-01-074-8421 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.