The Transistor, cataloged under National Stock Number 5961-01-220-3663, 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 11 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5961-01-220-3663 |
| Primary Part Number | 2N6378 |
| Item Name | Transistor |
| FSC / FSG | 5961 / 59 — Semiconductor Devices and Associated Hardware |
| Manufacturer | Microsemi Corp - Massachusetts |
| Status | ACTIVE |
| Voltage Rating in Volts Per Characteristic | -100.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-EMITTER, BASE OPEN |
| Maximum Operating Temp Per Measurement Point | 175.0 CELSIUS JUNCTION DEGC |
| Mounting Facility Quantity | 2 |
| Joint Electronic Device Engineering Council/jedec/case Outline Designation | TO-3 |
| Mounting Method | UNTHREADED HOLE(S) |
| Semiconductor Material | SILICON |
| Internal Configuration | JUNCTION CONTACT |
| Features Provided | HERMETICALLY SEALED CASE |
| Current Rating Per Characteristic | -50.00 AMPERES MAXIMUM COLLECTOR CURRENT, DC |
| Terminal Type and Quantity | 2 PIN AND 1 CASE |
| Power Rating Per Characteristic | 250.0 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 |
|---|---|
| 106079-0000 | Leonardo Us Cyber and Security Solutions, Llc (USA) |
| 2N6378 PRIMARY | Microsemi Corp - Massachusetts (USA) |
| Reference | Meaning |
|---|---|
| 2N6378 | 3/9 Design control — primary reference Freescale Semiconductor, Inc. |
| 380-10261-1 | 1/2 Source control — Government-approved source U.S. Government activity |
NSN 5961-01-220-3663 is a Transistor, manufactured by Microsemi Corp - Massachusetts, classified under FSC 5961, Semiconductor Devices and Associated Hardware. Status: active.
NSN 5961-01-220-3663 has 2 manufacturer part numbers on file: 106079-0000 (Leonardo Us Cyber and Security Solutions, Llc), 2N6378 (Microsemi Corp - Massachusetts).
Key specifications for 2N6378: Overall Height: 0.762 INCHES NOMINAL IN; Voltage Rating in Volts Per Characteristic: -100.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-EMITTER, BASE OPEN; Maximum Operating Temp Per Measurement Point: 175.0 CELSIUS JUNCTION DEGC; Mounting Facility Quantity: 2. 11 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.