PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2N5550ATransistor

Adelco Elektronik Gmbh · NSN 5961-00-489-1451 · FSC 5961 · No Item Name Available
Verified by PartsTable
NSN 5961-00-489-1451 — this item is cataloged by the U.S. Government under National Stock Number 5961-00-489-1451. Primary manufacturer part number: 2N5550A.
Features
  • Transistor — FSC 5961
  • Semiconductor Material: SILICON
  • Current Rating Per Characteristic: 600.00 MILLIAMPERES MAXIMUM COLLECTOR CURRENT, DC
  • Internal Configuration: JUNCTION CONTACT
  • Power Rating Per Characteristic: 350.0 MILLIWATTS MAXIMUM COLLECTOR POWER DISSIPATION
  • Voltage Rating in Volts Per Characteristic: 160.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-BASE, EMITTER OPEN AND 140.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-EMITTER, BASE OPEN AND 6.0 MAXIMUM BREAKDOWN VOLTAGE, EMITTER-TO-BASE, COLLECTOR OPEN
  • Terminal Length: 0.500 INCHES MINIMUM IN
  • Maximum Operating Temp Per Measurement Point: 165.0 CELSIUS JUNCTION DEGC
Applications
  • Applications requiring Plastic Enclosure construction
General Description

The Transistor, cataloged under National Stock Number 5961-00-489-1451, 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 Adelco Elektronik Gmbh. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 15 commercial cross-references from 13 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5961-00-489-1451
Primary Part Number2N5550A
Item NameTransistor
FSC / FSG5961 / 59 — No Item Name Available
ManufacturerAdelco Elektronik Gmbh
StatusACTIVE
Semiconductor MaterialSILICON
Current Rating Per Characteristic600.00 MILLIAMPERES MAXIMUM COLLECTOR CURRENT, DC
Internal ConfigurationJUNCTION CONTACT
Power Rating Per Characteristic350.0 MILLIWATTS MAXIMUM COLLECTOR POWER DISSIPATION
Voltage Rating in Volts Per Characteristic160.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-BASE, EMITTER OPEN AND 140.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-EMITTER, BASE OPEN AND 6.0 MAXIMUM BREAKDOWN VOLTAGE, EMITTER-TO-BASE, COLLECTOR OPEN
Terminal Length0.500 INCHES MINIMUM IN
Maximum Operating Temp Per Measurement Point165.0 CELSIUS JUNCTION DEGC
Terminal Type and Quantity3 UNINSULATED WIRE LEAD
MaterialPLASTIC ENCLOSURE
Mounting MethodTERMINAL
Specification/standard Data80131-RELEASE5888 PROFESSIONAL/INDUSTRIAL ASSOCIATION SPECIFICATION
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5960-00-061-1214 INTERCHANGEABLE
Electron Tube
5945-00-259-7758NF26 INTERCHANGEABLE
Relay,electromagnetic
Te Connectivity Corporation
5961-00-858-6538 INTERCHANGEABLE
Transistor
5330-01-104-673333-255 INTERCHANGEABLE
Gasket
Thermo King Corporation Dba Phoenix Global Distirbution.
Cross-Reference Index
Part NumberManufacturer
2N5550A Adelco Elektronik Gmbh (DEU)
580-800 Ampex Data Systems Corporation Dba Ampex Intelligent Systems (USA)
330255 Ametek Programmable Power, Inc. (USA)
330255 California Instruments Corp (USA)
RELEASE5888 Electronic Industries Association
2N5550 Freescale Semiconductor, Inc. (USA)
41175-281-00-9 Bae Systems Maritime Services Limited (GBR)
41175-281-00-9 British Aerospace Defence Systems Ltd T/a Bae Systems (GBR)
150-0550 Autek Systems Corp (USA)
2N5550 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
2N5550 Electronic Industries Association
NF26 Baugh & Weedon Ltd (GBR)
580-800 Ampex Systems Corp (USA)
151-0550 Autek Systems Corp (USA)
2N5550 Comet Industries Corp (USA)
Related Parts
5960-00-061-1214INTERCHANGEABLE
ELECTRON TUBE
5945-00-259-7758INTERCHANGEABLE
RELAY,ELECTROMAGNETIC
NF26
5961-00-858-6538INTERCHANGEABLE
TRANSISTOR
5330-01-104-6733INTERCHANGEABLE
GASKET
33-255

Frequently Asked Questions

What is NSN 5961-00-489-1451?

NSN 5961-00-489-1451 is a Transistor, manufactured by Adelco Elektronik Gmbh, classified under FSC 5961 (No Item Name Available). Status: active.

What are the part numbers for NSN 5961-00-489-1451?

NSN 5961-00-489-1451 has 15 cross-referenced part numbers: 2N5550A (Adelco Elektronik Gmbh), 580-800 (Ampex Data Systems Corporation Dba Ampex Intelligent Systems), 330255 (Ametek Programmable Power, Inc.), 330255 (California Instruments Corp), RELEASE5888 (Electronic Industries Association) and 10 more.

What NSN replaces 5961-00-489-1451?

There are 4 known substitutes for 5961-00-489-1451: 5960-00-061-1214, 5945-00-259-7758, 5961-00-858-6538 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 2N5550A?

Key specifications for 2N5550A: Semiconductor Material: SILICON; Special Features: JUNCTION PATTERN ARRANGEMENT: NPN; Current Rating Per Characteristic: 600.00 MILLIAMPERES MAXIMUM COLLECTOR CURRENT, DC; Overall Height: 0.165 INCHES MAXIMUM IN. 15 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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