The Transistor, cataloged under National Stock Number 5961-01-209-3719, 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 Northrop Grumman Support Services Corp. Government technical data includes 9 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5961-01-209-3719 |
| Primary Part Number | 635A865H01 |
| Item Name | Transistor |
| FSC / FSG | 5961 / 59 — Semiconductor Devices and Associated Hardware |
| Manufacturer | Northrop Grumman Support Services Corp |
| Status | ACTIVE |
| Voltage Rating in Volts Per Characteristic | 400.0 MAXIMUM COLLECTOR-TO-EMITTER, SUBSTAINING VOLTAGE, BASE OPEN-CIRCUITED AND 450.0 MAXIMUM COLLECTOR TO EMITTER VOLTAGE, DC WITH SPECIFIED CIRCUIT BETWEEN BASE AND EMITTER AND 6.0 MAXIMUM EMITTER TO BASE VOLTAGE, STATIC, COLLECTOR OPEN |
| Mounting Facility Quantity | 2 |
| Mounting Method | UNTHREADED HOLE(S) |
| Semiconductor Material | SILICON |
| Internal Configuration | JUNCTION CONTACT |
| Current Rating Per Characteristic | 10.00 AMPERES MAXIMUM COLLECTOR CURRENT, DC AND 5.00 AMPERES MAXIMUM BASE CURRENT, DC |
| Terminal Type and Quantity | 2 PIN AND 1 CASE |
| Electrode Internally-Electrically Connected to Case | COLLECTOR |
| Power Rating Per Characteristic | 175.0 WATTS MAXIMUM TOTAL POWER 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 |
|---|---|
| 635A865H01 PRIMARY | Northrop Grumman Support Services Corp (USA) |
| ST-4487 | Semiconductor Technology, Inc. Dba Semiconductor Technology Inc (USA) |
| Reference | Meaning |
|---|---|
| 635A865H01 | 3/9 Design control — primary reference U.S. Government activity |
| 635A865H01 | 5/9 Secondary reference Freescale Semiconductor, Inc. |
| 68779 | 5/9 Secondary reference Harris Corp Semiconductor Sector |
| 635A865H01 | 5/9 Secondary reference Semiconductor Technology, Inc. Dba Semiconductor Technology Inc |
NSN 5961-01-209-3719 is a Transistor, manufactured by Northrop Grumman Support Services Corp, classified under FSC 5961, Semiconductor Devices and Associated Hardware. Status: active.
NSN 5961-01-209-3719 has 2 manufacturer part numbers on file: 635A865H01 (Northrop Grumman Support Services Corp), ST-4487 (Semiconductor Technology, Inc. Dba Semiconductor Technology Inc).
Key specifications for 635A865H01: Overall Height: 0.350 INCHES NOMINAL IN; Voltage Rating in Volts Per Characteristic: 400.0 MAXIMUM COLLECTOR-TO-EMITTER, SUBSTAINING VOLTAGE, BASE OPEN-CIRCUITED AND 450.0 MAXIMUM COLLECTOR TO EMITTER VOLTAGE, DC WITH SPECIFIED CIRCUIT BETWEEN BASE AND EMITTER AND 6.0 MAXIMUM EMITTER TO BASE VOLTAGE, STATIC, COLLECTOR OPEN; Mounting Facility Quantity: 2; Mounting Method: UNTHREADED HOLE(S). 9 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.