The Transistor, cataloged under National Stock Number 5961-01-090-1684, is classified within Federal Supply Class 5961 (Semiconductor Devices and Associated Hardware) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Microsemi Corp - Massachusetts. Government technical data includes 10 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 7 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5961-01-090-1684 |
| Primary Part Number | 2N6542 |
| Item Name | Transistor |
| FSC / FSG | 5961 / 59 — Semiconductor Devices and Associated Hardware |
| Manufacturer | Microsemi Corp - Massachusetts |
| Status | ACTIVE |
| Voltage Rating in Volts Per Characteristic | 300.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR TO EMITTER, SUSTAINED |
| Maximum Operating Temp Per Measurement Point | 200.0 CELSIUS JUNCTION DEGC |
| Mounting Facility Quantity | 2 |
| Mounting Method | UNTHREADED HOLE(S) |
| Semiconductor Material | SILICON |
| Internal Configuration | JUNCTION CONTACT |
| Current Rating Per Characteristic | 5.00 AMPERES MAXIMUM COLLECTOR CURRENT, DC AND 5.00 AMPERES MAXIMUM BASE CURRENT, DC AND 10.00 AMPERES MAXIMUM EMITTER CURRENT, DC |
| Terminal Type and Quantity | 2 PIN AND 1 CASE |
| Electrode Internally-Electrically Connected to Case | COLLECTOR |
| Power Rating Per Characteristic | 100.0 WATTS MAXIMUM TOTAL DEVICE DISSIPATION |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 2N6542 PRIMARY | Microsemi Corp - Massachusetts (USA) |
| Reference | Meaning |
|---|---|
| 2N6542 | 5/1 Secondary reference Semiconductor Technology, Inc. Dba Semiconductor Technology Inc |
| R-294107-001 | 5/9 Secondary reference U.S. Government activity |
| R-294107-001 | 5/1 Secondary reference Tegam, Inc. |
| 294107-1 | 5/9 Secondary reference L3harris Technologies, Inc. Dba Harris Corp Div Antenna Products |
| 6167372-1 | C/1 Advisory reference — outside the item-of-supply concept Raytheon Company Div Corp |
| 2N6542 | 5/1 Secondary reference Freescale Semiconductor, Inc. |
| 4801-0198 | C/1 Advisory reference — outside the item-of-supply concept Commercial Electronics Inc |
NSN 5961-01-090-1684 is a Transistor, manufactured by Microsemi Corp - Massachusetts, classified under FSC 5961, Semiconductor Devices and Associated Hardware. Status: active.
NSN 5961-01-090-1684 has 1 manufacturer part number on file: 2N6542 (Microsemi Corp - Massachusetts).
Key specifications for 2N6542: Overall Height: 0.250 INCHES MINIMUM AND 0.450 INCHES MAXIMUM IN; Voltage Rating in Volts Per Characteristic: 300.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR TO EMITTER, SUSTAINED; Maximum Operating Temp Per Measurement Point: 200.0 CELSIUS JUNCTION DEGC; Mounting Facility Quantity: 2. 10 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.