PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2N550Transistor

Electronic Industries Association · NSN 5961-00-688-9006 · FSC 5961 · No Item Name Available
Verified by PartsTable
NSN 5961-00-688-9006 — this item is cataloged by the U.S. Government under National Stock Number 5961-00-688-9006. Primary manufacturer part number: 2N550.
Features
  • Transistor — FSC 5961
  • Terminal Circle Diameter: 0.200 INCHES NOMINAL IN
  • Overall Diameter: 0.335 INCHES MINIMUM AND 0.370 INCHES MAXIMUM IN
  • Features Provided: HERMETICALLY SEALED CASE
  • 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 AND 6.0 MAXIMUM BREAKDOWN VOLTAGE, EMITTER-TO-BASE, COLLECTOR OPEN
  • Terminal Type and Quantity: 3 UNINSULATED WIRE LEAD
  • Terminal Length: 1.500 INCHES MINIMUM IN
  • Electrode Internally-Electrically Connected to Case: COLLECTOR
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transistor, cataloged under National Stock Number 5961-00-688-9006, 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 Electronic Industries Association. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 12 commercial cross-references from 9 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5961-00-688-9006
Primary Part Number2N550
Item NameTransistor
FSC / FSG5961 / 59 — No Item Name Available
ManufacturerElectronic Industries Association
StatusCANCELLED
Terminal Circle Diameter0.200 INCHES NOMINAL IN
Overall Diameter0.335 INCHES MINIMUM AND 0.370 INCHES MAXIMUM IN
Features ProvidedHERMETICALLY SEALED CASE
Voltage Rating in Volts Per Characteristic30.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-BASE, EMITTER OPEN AND 30.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-EMITTER, BASE OPEN AND 6.0 MAXIMUM BREAKDOWN VOLTAGE, EMITTER-TO-BASE, COLLECTOR OPEN
Terminal Type and Quantity3 UNINSULATED WIRE LEAD
Terminal Length1.500 INCHES MINIMUM IN
Electrode Internally-Electrically Connected to CaseCOLLECTOR
Power Rating Per Characteristic600.0 MILLIWATTS MAXIMUM COLLECTOR POWER DISSIPATION
Internal ConfigurationJUNCTION CONTACT
Semiconductor MaterialSILICON
Current Rating Per Characteristic800.00 MILLIAMPERES MAXIMUM COLLECTOR CURRENT, DC AND 15.00 MICROAMPERES MAXIMUM COLLECTOR CUTOFF CURRENT, DC, EMITTER OPEN
Mounting MethodTERMINAL
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 7
5961-00-088-2938 INTERCHANGEABLE
Transistor
5961-00-686-6968 INTERCHANGEABLE
Transistor
5961-00-716-7714 INTERCHANGEABLE
Transistor
5961-00-809-1871 INTERCHANGEABLE
Transistor
5961-00-821-5671 INTERCHANGEABLE
Transistor
5961-00-881-3416 INTERCHANGEABLE
Transistor
5961-00-950-7867 INTERCHANGEABLE
Transistor
Cross-Reference Index
Part NumberManufacturer
2N550 Electronic Industries Association
2N550 Gilbert Engineering Co Inc/incon Sub of Transitron Electronic Corp (USA)
2N550 Osi Optoelectronics, Inc Dba Semicoa (USA)
2N550 Semiconductor Technology, Inc. Dba Semiconductor Technology Inc (USA)
RELEASE3376 Electronic Industries Association
352-0222-000 Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems (USA)
TU1287 Bae Systems Information and Electronic Systems Integration Inc. (USA)
2N548 Electronic Industries Association
2N550 Semitronics Corp (USA)
2N550 General Semiconductor Industries Inc (USA)
2N550 Pd&e Electronics, Llc (USA)
2N548 Gilbert Engineering Co Inc/incon Sub of Transitron Electronic Corp (USA)
Related Parts
5961-00-088-2938INTERCHANGEABLE
TRANSISTOR
5961-00-686-6968INTERCHANGEABLE
TRANSISTOR
5961-00-716-7714INTERCHANGEABLE
TRANSISTOR
5961-00-809-1871INTERCHANGEABLE
TRANSISTOR
5961-00-821-5671INTERCHANGEABLE
TRANSISTOR
5961-00-881-3416INTERCHANGEABLE
TRANSISTOR
5961-00-950-7867INTERCHANGEABLE
TRANSISTOR

Frequently Asked Questions

What is NSN 5961-00-688-9006?

NSN 5961-00-688-9006 is a Transistor, manufactured by Electronic Industries Association, classified under FSC 5961 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5961-00-688-9006?

NSN 5961-00-688-9006 has 12 cross-referenced part numbers: 2N550 (Electronic Industries Association), 2N550 (Gilbert Engineering Co Inc/incon Sub of Transitron Electronic Corp), 2N550 (Osi Optoelectronics, Inc Dba Semicoa), 2N550 (Semiconductor Technology, Inc. Dba Semiconductor Technology Inc), RELEASE3376 (Electronic Industries Association) and 7 more.

What NSN replaces 5961-00-688-9006?

There are 7 known substitutes for 5961-00-688-9006: 5961-00-088-2938, 5961-00-686-6968, 5961-00-716-7714 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 2N550?

Key specifications for 2N550: Special Features: JUNCTION PATTERN ARRANGEMENT: NPN; Terminal Circle Diameter: 0.200 INCHES NOMINAL IN; Overall Diameter: 0.335 INCHES MINIMUM AND 0.370 INCHES MAXIMUM IN; Features Provided: HERMETICALLY SEALED CASE. 14 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5961-00-688-9006 still in active supply?

NSN 5961-00-688-9006 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

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