The Transistor, cataloged under National Stock Number 5961-00-404-5599, is classified within Federal Supply Class 5961 (No Item Name Available) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Leonardo Mw Ltd. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 17 commercial cross-references from 13 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5961-00-404-5599 |
| Primary Part Number | 28461-32011 |
| Item Name | Transistor |
| FSC / FSG | 5961 / 59 — No Item Name Available |
| Manufacturer | Leonardo Mw Ltd |
| Status | ACTIVE |
| Overall Diameter | 0.620 INCHES MAXIMUM IN |
| Internal Configuration | JUNCTION CONTACT |
| Mounting Facility Quantity | 2 |
| Semiconductor Material | SILICON |
| Current Rating Per Characteristic | 1.00 AMPERES MAXIMUM BASE CURRENT, DC AND 1.00 AMPERES MAXIMUM COLLECTOR CURRENT, DC |
| Mounting Method | UNTHREADED HOLE(S) |
| Electrode Internally-Electrically Connected to Case | COLLECTOR |
| Maximum Operating Temp Per Measurement Point | 200.0 CELSIUS JUNCTION DEGC |
| Features Provided | HERMETICALLY SEALED CASE |
| Terminal Type and Quantity | 2 UNINSULATED WIRE LEAD AND 1 CASE |
| Power Rating Per Characteristic | 25.0 WATTS MAXIMUM COLLECTOR POWER DISSIPATION |
| Voltage Rating in Volts Per Characteristic | 60.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-BASE, EMITTER OPEN AND 60.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-EMITTER, BASE OPEN AND 5.0 MAXIMUM BREAKDOWN VOLTAGE, EMITTER-TO-BASE, COLLECTOR OPEN |
| Specification/standard Data | 80131-RE.EASE5443 PROFESSIONAL/INDUSTRIAL ASSOCIATION SPECIFICATION |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 28461-32011 | Leonardo Mw Ltd (GBR) |
| 2N4899A | Adelco Elektronik Gmbh (DEU) |
| 2N4899 | Freescale Semiconductor, Inc. (USA) |
| 2N4899 | Fairchild Semiconductor Corp (USA) |
| 5L5512-101-56 | Hensoldt Sensors Gmbh Div Seps (DEU) |
| 5961PL1375448 | Jednolity Indeks Materialowy - Uniform Material Index (POL) |
| 007-0141-00 | Honeywell International Inc. Dba Honeywell Aerospace Div Aerospace-Olathe (USA) |
| AL0836476 | Rohde & Schwarz Gmbh & Co. Kommanditgesellschaft Dba R & S (DEU) |
| 007-00141-0000 | Honeywell International Inc. Dba Honeywell Aerospace Div Aerospace-Olathe (USA) |
| 2N4899 | Electronic Industries Association |
| 2N4899 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| 2N4899 | Solitron Devices, Inc. (USA) |
| JAN2N4899 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| 2N4899 | Gilbert Engineering Co Inc/incon Sub of Transitron Electronic Corp (USA) |
| 5800583-942101-102 | Hensoldt Sensors Gmbh (DEU) |
| RELEASE5443 | Electronic Industries Association |
| 2N4899 | Adelco Elektronik Gmbh (DEU) |
NSN 5961-00-404-5599 is a Transistor, manufactured by Leonardo Mw Ltd, classified under FSC 5961 (No Item Name Available). Status: active.
NSN 5961-00-404-5599 has 17 cross-referenced part numbers: 28461-32011 (Leonardo Mw Ltd), 2N4899A (Adelco Elektronik Gmbh), 2N4899 (Freescale Semiconductor, Inc.), 2N4899 (Fairchild Semiconductor Corp), 5L5512-101-56 (Hensoldt Sensors Gmbh Div Seps) and 12 more.
There are 9 known substitutes for 5961-00-404-5599: 5961-00-107-0736, 5961-00-407-0189, 5961-00-408-0519 and 6 more. Verify interchangeability with system specifications before substitution.
Key specifications for 28461-32011: Overall Diameter: 0.620 INCHES MAXIMUM IN; Internal Configuration: JUNCTION CONTACT; Mounting Facility Quantity: 2; Overall Length: 0.297 INCHES NOMINAL IN. 15 total characteristics are documented in the Federal Logistics Information System.