PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2N2188Transistor

Texas Instruments Incorporated · NSN 5961-00-954-5817 · FSC 5961 · No Item Name Available
Verified by PartsTable
NSN 5961-00-954-5817 — this item is cataloged by the U.S. Government under National Stock Number 5961-00-954-5817. Primary manufacturer part number: 2N2188.
Features
  • Transistor — FSC 5961
  • Power Rating Per Characteristic: 125.0 MILLIWATTS MAXIMUM COLLECTOR POWER DISSIPATION
  • Voltage Rating in Volts Per Characteristic: 40.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-BASE, EMITTER OPEN AND 25.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-EMITTER, BASE OPEN AND 2.0 MAXIMUM BREAKDOWN VOLTAGE, EMITTER-TO-BASE, COLLECTOR OPEN
  • Maximum Operating Temp Per Measurement Point: 100.0 CELSIUS JUNCTION DEGC
  • Current Rating Per Characteristic: 30.00 MILLIAMPERES MAXIMUM COLLECTOR CURRENT, DC
  • Terminal Length: 1.500 INCHES MINIMUM IN
  • Semiconductor Material: GERMANIUM
  • Mounting Method: TERMINAL
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transistor, cataloged under National Stock Number 5961-00-954-5817, 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 Texas Instruments Incorporated. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5961-00-954-5817
Primary Part Number2N2188
Item NameTransistor
FSC / FSG5961 / 59 — No Item Name Available
ManufacturerTexas Instruments Incorporated
StatusACTIVE
Power Rating Per Characteristic125.0 MILLIWATTS MAXIMUM COLLECTOR POWER DISSIPATION
Voltage Rating in Volts Per Characteristic40.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-BASE, EMITTER OPEN AND 25.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-EMITTER, BASE OPEN AND 2.0 MAXIMUM BREAKDOWN VOLTAGE, EMITTER-TO-BASE, COLLECTOR OPEN
Maximum Operating Temp Per Measurement Point100.0 CELSIUS JUNCTION DEGC
Current Rating Per Characteristic30.00 MILLIAMPERES MAXIMUM COLLECTOR CURRENT, DC
Terminal Length1.500 INCHES MINIMUM IN
Semiconductor MaterialGERMANIUM
Mounting MethodTERMINAL
Terminal Circle Diameter0.100 INCHES NOMINAL IN
Terminal Type and Quantity3 UNINSULATED WIRE LEAD
Overall Diameter0.265 INCHES NOMINAL IN
Internal ConfigurationJUNCTION CONTACT
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
5961-00-065-53732N2188 INTERCHANGEABLE
Transistor
Texas Instruments Incorporated
3110-00-227-2408 INTERCHANGEABLE
Cup,tapered Roller Bearing
5961-00-715-2871 INTERCHANGEABLE
Transistor
5961-00-725-53212N1039 INTERCHANGEABLE
Transistor
Raytheon Company Dba Raytheon
5961-00-821-8977 INTERCHANGEABLE
Transistor
5961-01-045-4738SM-B-600958 INTERCHANGEABLE
Transistor
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
Cross-Reference Index
Part NumberManufacturer
2N1039 Silicon Transistor Corporation Dba Same (USA)
666215-721 Bae Systems Information and Electronic Systems Integration Inc. Div Bae Systems Information & Electronic Systems Integration Inc (USA)
2N2188 PRIMARY Texas Instruments Incorporated (USA)
2N2188 Raytheon Company Dba Raytheon (USA)
2N1039 Gpd Optoelectronics Corp. Div Gpd Optoelectronics (USA)
Related Parts
5961-00-065-5373INTERCHANGEABLE
TRANSISTOR
2N2188
3110-00-227-2408INTERCHANGEABLE
CUP,TAPERED ROLLER BEARING
5961-00-715-2871INTERCHANGEABLE
TRANSISTOR
5961-00-725-5321INTERCHANGEABLE
TRANSISTOR
2N1039
5961-00-821-8977INTERCHANGEABLE
TRANSISTOR
5961-01-045-4738INTERCHANGEABLE
TRANSISTOR
SM-B-600958

Frequently Asked Questions

What is NSN 5961-00-954-5817?

NSN 5961-00-954-5817 is a Transistor, manufactured by Texas Instruments Incorporated, classified under FSC 5961 (No Item Name Available). Status: active.

What are the part numbers for NSN 5961-00-954-5817?

NSN 5961-00-954-5817 has 5 cross-referenced part numbers: 2N1039 (Silicon Transistor Corporation Dba Same), 666215-721 (Bae Systems Information and Electronic Systems Integration Inc. Div Bae Systems Information & Electronic Systems Integration Inc), 2N2188 (Texas Instruments Incorporated), 2N2188 (Raytheon Company Dba Raytheon), 2N1039 (Gpd Optoelectronics Corp. Div Gpd Optoelectronics).

What NSN replaces 5961-00-954-5817?

There are 6 known substitutes for 5961-00-954-5817: 5961-00-065-5373, 3110-00-227-2408, 5961-00-715-2871 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 2N2188?

Key specifications for 2N2188: Power Rating Per Characteristic: 125.0 MILLIWATTS MAXIMUM COLLECTOR POWER DISSIPATION; Voltage Rating in Volts Per Characteristic: 40.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-BASE, EMITTER OPEN AND 25.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-EMITTER, BASE OPEN AND 2.0 MAXIMUM BREAKDOWN VOLTAGE, EMITTER-TO-BASE, COLLECTOR OPEN; Overall Length: 0.335 INCHES NOMINAL IN; Special Features: JUNCTION PATTERN ARRANGEMENT: PNP. 13 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com