The Transistor, cataloged under National Stock Number 5961-01-326-3630, 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 Keysight Technologies Inc. Government technical data includes 10 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers 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through both NSN and commercial part number lookups. 7 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5961-01-326-3630 |
| Primary Part Number | 1855-0606 |
| Item Name | Transistor |
| FSC / FSG | 5961 / 59 — Semiconductor Devices and Associated Hardware |
| Manufacturer | Keysight Technologies Inc |
| Status | ACTIVE |
| Voltage Rating in Volts Per Characteristic | 400.0 MINIMUM BREAKDOWN VOLTAGE, GATE-TO-SOURCE, WITH ALL OTHER TERMINALS SHORT-CIRCUITED TO SOURCE |
| Maximum Operating Temp Per Measurement Point | 150.0 CELSIUS JUNCTION DEGC |
| Joint Electronic Device Engineering Council/jedec/case Outline Designation | TO-220AB |
| Mounting Method | TERMINAL |
| Semiconductor Material | SILICON |
| Internal Configuration | FIELD EFFECT |
| Current Rating Per Characteristic | 250.00 MICROAMPERES MAXIMUM ZERO-GATE-VOLTAGE DRAIN CURRENT AND 500.00 NANOAMPERES MAXIMUM REVERSE GATE CURRENT WITH ALL OTHER TERMINALS SHORT-CIRCUIT TO SOURCE, JUNCTION-GATE |
| Material | PLASTIC ENCLOSURE |
| Terminal Type and Quantity | 3 UNINSULATED WIRE LEAD |
| Power Rating Per Characteristic | 75.0 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 |
|---|---|
| 1855-0606 PRIMARY | Keysight Technologies Inc (USA) |
| MTP5N40E | Semiconductor Components Industries, Llc Dba Semiconductor Components Industries Llc Div Corporate Headquarters (USA) |
| MTP5N40E | Rochester Electronics Llc (USA) |
| Reference | Meaning |
|---|---|
| 1855-0606 | 5/9 Secondary reference Hewlett-Packard Company Dba HP |
| MTP5N40 | 5/9 Secondary reference Freescale Semiconductor, Inc. |
| RFP7N40 | 5/9 Secondary reference General Electric Co Semi-Conductor Products Dept |
| MTP5N40 | 5/9 Secondary reference Renesas Electronics America Inc |
| RFP7N40 | 5/9 Secondary reference Powerex, Inc. |
| MTP5N40 | 5/9 Secondary reference Micro Uspd Inc |
| 1855-0606 | 3/9 Design control — primary reference Keysight Technologies, Inc. |
NSN 5961-01-326-3630 is a Transistor, manufactured by Keysight Technologies Inc, classified under FSC 5961, Semiconductor Devices and Associated Hardware. Status: active.
NSN 5961-01-326-3630 has 3 manufacturer part numbers on file: 1855-0606 (Keysight Technologies Inc), MTP5N40E (Semiconductor Components Industries, Llc Dba Semiconductor Components Industries Llc Div Corporate Headquarters), MTP5N40E (Rochester Electronics Llc).
Key specifications for 1855-0606: Overall Height: 0.187 INCHES NOMINAL IN; Voltage Rating in Volts Per Characteristic: 400.0 MINIMUM BREAKDOWN VOLTAGE, GATE-TO-SOURCE, WITH ALL OTHER TERMINALS SHORT-CIRCUITED TO SOURCE; Maximum Operating Temp Per Measurement Point: 150.0 CELSIUS JUNCTION DEGC; Joint Electronic Device Engineering Council/jedec/case Outline Designation: TO-220AB. 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.