PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

8123028Transistor

Esi Electronic Corp · NSN 5961-01-155-1572 · FSC 5961 · No Item Name Available
Verified by PartsTable
NSN 5961-01-155-1572 — this item is cataloged by the U.S. Government under National Stock Number 5961-01-155-1572. Primary manufacturer part number: 8123028.
Features
  • Transistor — FSC 5961
  • Terminal Type and Quantity: 3 UNINSULATED WIRE LEAD
  • Semiconductor Material: SILICON
  • Current Rating Per Characteristic: -1.00 AMPERES MAXIMUM COLLECTOR CURRENT, DC
  • Terminal Circle Diameter: 0.200 INCHES NOMINAL IN
  • Specification/standard Data: 81349-MIL-S-19500/348 GOVERNMENT SPECIFICATION
  • Overall Diameter: 0.335 INCHES MINIMUM AND 0.370 INCHES MAXIMUM IN
  • Test Data Document: 81349-MIL-S-19500 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transistor, cataloged under National Stock Number 5961-01-155-1572, 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 Esi Electronic Corp. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5961-01-155-1572
Primary Part Number8123028
Item NameTransistor
FSC / FSG5961 / 59 — No Item Name Available
ManufacturerEsi Electronic Corp
StatusCANCELLED
Terminal Type and Quantity3 UNINSULATED WIRE LEAD
Semiconductor MaterialSILICON
Current Rating Per Characteristic-1.00 AMPERES MAXIMUM COLLECTOR CURRENT, DC
Terminal Circle Diameter0.200 INCHES NOMINAL IN
Specification/standard Data81349-MIL-S-19500/348 GOVERNMENT SPECIFICATION
Overall Diameter0.335 INCHES MINIMUM AND 0.370 INCHES MAXIMUM IN
Test Data Document81349-MIL-S-19500 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).
Terminal Length1.500 INCHES MINIMUM AND 1.750 INCHES MAXIMUM IN
Features ProvidedHERMETICALLY SEALED CASE
Internal ConfigurationJUNCTION CONTACT
Voltage Rating in Volts Per Characteristic-40.0 MAXIMUM COLLECTOR TO BASE VOLTAGE/STATIC/EMITTER OPEN AND -40.0 MAXIMUM COLLECTOR TO EMITTER VOLTAGE/STATIC/BASE OPEN AND -5.0 MAXIMUM EMITTER TO BASE VOLTAGE, STATIC, COLLECTOR OPEN
Power Rating Per Characteristic1.0 WATTS MAXIMUM TOTAL POWER DISSIPATION
Electrode Internally-Electrically Connected to CaseCOLLECTOR
Mounting MethodTERMINAL
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 8
5961-00-104-9900 INTERCHANGEABLE
Transistor
5961-00-368-2605 INTERCHANGEABLE
Transistor
5961-00-407-0245 INTERCHANGEABLE
Transistor
5961-00-731-7174 INTERCHANGEABLE
Transistor
5961-01-123-5397 INTERCHANGEABLE
Transistor
5961-01-235-3280 INTERCHANGEABLE
Transistor
5961-01-297-0257 INTERCHANGEABLE
Transistor
5961-01-343-3641 INTERCHANGEABLE
Transistor
Cross-Reference Index
Part NumberManufacturer
8123028 Esi Electronic Corp (USA)
JAN2N3467L Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MIL-PRF-19500/348 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MIL-S-19500/348 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
5961-00-104-9900INTERCHANGEABLE
TRANSISTOR
5961-00-368-2605INTERCHANGEABLE
TRANSISTOR
5961-00-407-0245INTERCHANGEABLE
TRANSISTOR
5961-00-731-7174INTERCHANGEABLE
TRANSISTOR
5961-01-123-5397INTERCHANGEABLE
TRANSISTOR
5961-01-235-3280INTERCHANGEABLE
TRANSISTOR
5961-01-297-0257INTERCHANGEABLE
TRANSISTOR
5961-01-343-3641INTERCHANGEABLE
TRANSISTOR

Frequently Asked Questions

What is NSN 5961-01-155-1572?

NSN 5961-01-155-1572 is a Transistor, manufactured by Esi Electronic Corp, classified under FSC 5961 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5961-01-155-1572?

NSN 5961-01-155-1572 has 4 cross-referenced part numbers: 8123028 (Esi Electronic Corp), JAN2N3467L (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MIL-PRF-19500/348 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MIL-S-19500/348 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 5961-01-155-1572?

There are 8 known substitutes for 5961-01-155-1572: 5961-00-104-9900, 5961-00-368-2605, 5961-00-407-0245 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 8123028?

Key specifications for 8123028: Terminal Type and Quantity: 3 UNINSULATED WIRE LEAD; Semiconductor Material: SILICON; Current Rating Per Characteristic: -1.00 AMPERES MAXIMUM COLLECTOR CURRENT, DC; Terminal Circle Diameter: 0.200 INCHES NOMINAL IN. 16 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5961-01-155-1572 still in active supply?

NSN 5961-01-155-1572 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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