PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2M1647Transistor

Api Electronics, Inc. Dba Api Technologies Corp Div Api Technologies - Spectrum Microwave · NSN 5961-00-809-1871 · FSC 5961 · No Item Name Available
Verified by PartsTable
NSN 5961-00-809-1871 — this item is cataloged by the U.S. Government under National Stock Number 5961-00-809-1871. Primary manufacturer part number: 2M1647.
Features
  • Transistor — FSC 5961
  • Voltage Rating in Volts Per Characteristic: 80.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-BASE, EMITTER OPEN AND 80.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-EMITTER, BASE OPEN AND 6.0 MAXIMUM BREAKDOWN VOLTAGE, EMITTER-TO-BASE, COLLECTOR OPEN
  • Overall Width Across Flats: 0.437 INCHES NOMINAL IN
  • Electrode Internally-Electrically Connected to Case: COLLECTOR
  • Nominal Thread Size: 0.190 INCHES IN
  • Internal Junction Configuration: NPN
  • Features Provided: HERMETICALLY SEALED CASE
  • Mounting Facility Quantity: 1
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transistor, cataloged under National Stock Number 5961-00-809-1871, 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 Api Electronics, Inc. Dba Api Technologies Corp Div Api Technologies - Spectrum Microwave. Government technical data includes 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 15 commercial cross-references from 11 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
NSN5961-00-809-1871
Primary Part Number2M1647
Item NameTransistor
FSC / FSG5961 / 59 — No Item Name Available
ManufacturerApi Electronics, Inc. Dba Api Technologies Corp Div Api Technologies - Spectrum Microwave
StatusCANCELLED
Voltage Rating in Volts Per Characteristic80.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-BASE, EMITTER OPEN AND 80.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-EMITTER, BASE OPEN AND 6.0 MAXIMUM BREAKDOWN VOLTAGE, EMITTER-TO-BASE, COLLECTOR OPEN
Overall Width Across Flats0.437 INCHES NOMINAL IN
Electrode Internally-Electrically Connected to CaseCOLLECTOR
Nominal Thread Size0.190 INCHES IN
Internal Junction ConfigurationNPN
Features ProvidedHERMETICALLY SEALED CASE
Mounting Facility Quantity1
Current Rating Per Characteristic3.00 AMPERES MAXIMUM COLLECTOR CURRENT, DC
Mounting MethodTHREADED STUD(S)
Semiconductor MaterialSILICON
Thread Series DesignatorUNF
Overall Diameter0.375 INCHES NOMINAL IN
Terminal Type and Quantity2 TAB, SOLDER LUG AND 1 THREADED STUD
Internal ConfigurationJUNCTION CONTACT
Power Rating Per Characteristic40.0 WATTS MAXIMUM COLLECTOR POWER DISSIPATION
Specification/standard Data80131-RELEASE3376 PROFESSIONAL/INDUSTRIAL ASSOCIATION SPECIFICATION
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 7
5961-00-686-6968 INTERCHANGEABLE
Transistor
5961-00-688-9006 INTERCHANGEABLE
Transistor
5961-00-716-7714 INTERCHANGEABLE
Transistor
5961-00-821-5671 INTERCHANGEABLE
Transistor
5961-00-881-3416 INTERCHANGEABLE
Transistor
3120-00-899-2123181422 INTERCHANGEABLE
Bearing,sleeve
Lake Shore Systems, Inc.
5961-00-950-7867 INTERCHANGEABLE
Transistor
Cross-Reference Index
Part NumberManufacturer
2M1647 Api Electronics, Inc. Dba Api Technologies Corp Div Api Technologies - Spectrum Microwave (USA)
RELEASE3376 Electronic Industries Association
2N1647 Gilbert Engineering Co Inc/incon Sub of Transitron Electronic Corp (USA)
1814-22 Safran Electronics & Defense (FRA)
2M1647 Solid Power Corp (USA)
145-40001-003 Safran (FRA)
2N1647 Silicon Transistor Corporation Dba Same (USA)
2N1647 Electronic Industries Association
1814-22 Sfim Industries (FRA)
145-40001-003 Sfim Industries (FRA)
1814-22 Safran (FRA)
145-40001-003 Safran Electronics & Defense (FRA)
2N1647 Csr Industries Inc (USA)
2N1647 Solid State Devices, Inc (USA)
2N1647 Micro Uspd Inc (USA)
Related Parts
5961-00-686-6968INTERCHANGEABLE
TRANSISTOR
5961-00-688-9006INTERCHANGEABLE
TRANSISTOR
5961-00-716-7714INTERCHANGEABLE
TRANSISTOR
5961-00-821-5671INTERCHANGEABLE
TRANSISTOR
5961-00-881-3416INTERCHANGEABLE
TRANSISTOR
3120-00-899-2123INTERCHANGEABLE
BEARING,SLEEVE
181422
5961-00-950-7867INTERCHANGEABLE
TRANSISTOR

Frequently Asked Questions

What is NSN 5961-00-809-1871?

NSN 5961-00-809-1871 is a Transistor, manufactured by Api Electronics, Inc. Dba Api Technologies Corp Div Api Technologies - Spectrum Microwave, classified under FSC 5961 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5961-00-809-1871?

NSN 5961-00-809-1871 has 15 cross-referenced part numbers: 2M1647 (Api Electronics, Inc. Dba Api Technologies Corp Div Api Technologies - Spectrum Microwave), RELEASE3376 (Electronic Industries Association), 2N1647 (Gilbert Engineering Co Inc/incon Sub of Transitron Electronic Corp), 1814-22 (Safran Electronics & Defense), 2M1647 (Solid Power Corp) and 10 more.

What NSN replaces 5961-00-809-1871?

There are 7 known substitutes for 5961-00-809-1871: 5961-00-686-6968, 5961-00-688-9006, 5961-00-716-7714 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 2M1647?

Key specifications for 2M1647: Voltage Rating in Volts Per Characteristic: 80.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-BASE, EMITTER OPEN AND 80.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-EMITTER, BASE OPEN AND 6.0 MAXIMUM BREAKDOWN VOLTAGE, EMITTER-TO-BASE, COLLECTOR OPEN; Overall Width Across Flats: 0.437 INCHES NOMINAL IN; Overall Length: 0.443 INCHES NOMINAL IN; Electrode Internally-Electrically Connected to Case: COLLECTOR. 17 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5961-00-809-1871 still in active supply?

NSN 5961-00-809-1871 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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