The Transistor, cataloged under National Stock Number 5961-00-255-9506, 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 Thales Sa. Government technical data includes 12 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through both NSN and commercial part number lookups. 14 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 8 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5961-00-255-9506 |
| Primary Part Number | 99091939 |
| Item Name | Transistor |
| FSC / FSG | 5961 / 59 — Semiconductor Devices and Associated Hardware |
| Manufacturer | Thales Sa |
| Status | ACTIVE |
| Voltage Rating in Volts Per Characteristic | 30.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-BASE, EMITTER OPEN AND 30.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-EMITTER, BASE OPEN |
| Overall Diameter | 0.370 INCHES MAXIMUM IN |
| Terminal Length | 0.500 INCHES MINIMUM IN |
| Mounting Method | TERMINAL |
| Semiconductor Material | SILICON |
| Internal Configuration | JUNCTION CONTACT |
| Features Provided | HERMETICALLY SEALED CASE |
| Current Rating Per Characteristic | 500.00 MILLIAMPERES MAXIMUM COLLECTOR CURRENT, DC AND 0.05 MICROAMPERES MAXIMUM COLLECTOR CUTOFF CURRENT, DC, EMITTER OPEN |
| Specification/standard Data | 80131-RELEASE5893 PROFESSIONAL/INDUSTRIAL ASSOCIATION SPECIFICATION |
| Terminal Type and Quantity | 3 UNINSULATED WIRE LEAD |
| Electrode Internally-Electrically Connected to Case | COLLECTOR |
| Power Rating Per Characteristic | 5.0 WATTS MAXIMUM COLLECTOR 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 |
|---|---|
| 99091939 | Thales Sa (FRA) |
| 62-905583-01 | Communications & Power Industries International Inc. Zweigniederlassung Ismaning (DEU) |
| Reference | Meaning |
|---|---|
| 2N5583 | 5/9 Secondary reference Freescale Semiconductor, Inc. |
| RELEASE5893 | 5/9 Secondary reference U.S. Government activity |
| JAN2N5583 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| 2N5583 | 3/9 Design control — primary reference U.S. Government activity |
| JTX2N5583 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| 2N5583A | 5/9 Secondary reference Adelco Elektronik Gmbh |
| 62-905583-01 | 5/1 Secondary reference Communications & Power Industries Llc Div Microwave Power Products Division |
| 2N5583 | 5/9 Secondary reference Adelco Elektronik Gmbh |
| 1-958088-001 | 5/9 Secondary reference U.S. Government activity |
| 1853-0315 | C/1 Advisory reference — outside the item-of-supply concept Hewlett-Packard Company Dba HP |
| 999980-1 | 5/2 Secondary reference U.S. Government activity |
| 1-958088-001 | 5/1 Secondary reference Maury Microwave, Inc. Dba Maury Microwave |
| 723088-5 | C/1 Advisory reference — outside the item-of-supply concept Raytheon Company Div Rmd Strategic |
| 10070579 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
NSN 5961-00-255-9506 is a Transistor, manufactured by Thales Sa, classified under FSC 5961, Semiconductor Devices and Associated Hardware. Status: active.
NSN 5961-00-255-9506 has 2 manufacturer part numbers on file: 99091939 (Thales Sa), 62-905583-01 (Communications & Power Industries International Inc. Zweigniederlassung Ismaning).
8 possible matches (shared part number, not a government interchangeability claim): 5961-00-433-0455, 5995-00-930-1257, 5961-01-054-3753. Verify interchangeability with system specifications before substitution.
Key specifications for 99091939: Voltage Rating in Volts Per Characteristic: 30.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-BASE, EMITTER OPEN AND 30.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-EMITTER, BASE OPEN; Overall Diameter: 0.370 INCHES MAXIMUM IN; Terminal Length: 0.500 INCHES MINIMUM IN; Mounting Method: TERMINAL. 12 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.