PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

345-123-002Transistor

L3harris Interstate Electronics Corporation · NSN 5961-00-978-9041 · FSC 5961 · No Item Name Available
Verified by PartsTable
NSN 5961-00-978-9041 — this item is cataloged by the U.S. Government under National Stock Number 5961-00-978-9041. Primary manufacturer part number: 345-123-002.
Features
  • Transistor — FSC 5961
  • Terminal Length: 0.360 INCHES MINIMUM AND 0.440 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.).
  • Semiconductor Material: GERMANIUM
  • Overall Diameter: 0.550 INCHES MINIMUM AND 0.650 INCHES MAXIMUM IN
  • Internal Configuration: JUNCTION CONTACT
  • Terminal Type and Quantity: 3 UNINSULATED WIRE LEAD
  • 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 5961-00-978-9041, 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 L3harris Interstate Electronics Corporation. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 12 commercial cross-references from 10 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
NSN5961-00-978-9041
Primary Part Number345-123-002
Item NameTransistor
FSC / FSG5961 / 59 — No Item Name Available
ManufacturerL3harris Interstate Electronics Corporation
StatusACTIVE
Terminal Length0.360 INCHES MINIMUM AND 0.440 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.).
Semiconductor MaterialGERMANIUM
Overall Diameter0.550 INCHES MINIMUM AND 0.650 INCHES MAXIMUM IN
Internal ConfigurationJUNCTION CONTACT
Terminal Type and Quantity3 UNINSULATED WIRE LEAD
Mounting MethodTERMINAL
Specification/standard Data81349-MIL-S-19500/143 GOVERNMENT SPECIFICATION
Power Rating Per Characteristic7.5 WATTS MAXIMUM COLLECTOR POWER DISSIPATION
Voltage Rating in Volts Per Characteristic45.0 MAXIMUM COLLECTOR TO BASE VOLTAGE/STATIC/EMITTER OPEN AND 20.0 MAXIMUM COLLECTOR TO EMITTER VOLTAGE/STATIC/BASE OPEN AND 35.0 MAXIMUM COLLECTOR TO EMITTER VOLTAGE, DC WITH BASE SHORT-CIRCUITED TO EMITTER AND -1.2 MAXIMUM EMITTER TO BASE VOLTAGE, FLOATING POTENTIAL, DC WITH COLLECTOR BIASED IN REVERSE DIRECTION WITH RESPECT TO THE BASE
Features ProvidedHERMETICALLY SEALED CASE
Electrode Internally-Electrically Connected to CaseCOLLECTOR
Terminal Circle Diameter0.272 INCHES MINIMUM AND 0.292 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
5961-00-834-2242 INTERCHANGEABLE
Transistor
5961-00-889-4274 INTERCHANGEABLE
Transistor
5961-00-989-6707 INTERCHANGEABLE
Transistor
5961-00-990-4604 INTERCHANGEABLE
Transistor
5961-01-030-2183 INTERCHANGEABLE
Transistor
5961-01-157-0449SM-B-620782 INTERCHANGEABLE
Transistor
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
Cross-Reference Index
Part NumberManufacturer
345-123-002 L3harris Interstate Electronics Corporation (USA)
1850-0064 Hewlett-Packard Company Dba HP (USA)
2N1183 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MIL-S-19500/143 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
225598 Rca Corp Distributor and Special Products Div
2N1183A Adelco Elektronik Gmbh (DEU)
5961009789041 E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales
8851726 Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Us Army Research, Development and Engineering Command Armament (USA)
2N1183 Joint Electron Device Engineering Council
2N1183A Renesas Electronics America Inc (USA)
DMS 90016B Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings) (USA)
2N1183 Hewlett-Packard Company Dba HP (USA)
Related Parts
5961-00-834-2242INTERCHANGEABLE
TRANSISTOR
5961-00-889-4274INTERCHANGEABLE
TRANSISTOR
5961-00-989-6707INTERCHANGEABLE
TRANSISTOR
5961-00-990-4604INTERCHANGEABLE
TRANSISTOR
5961-01-030-2183INTERCHANGEABLE
TRANSISTOR
5961-01-157-0449INTERCHANGEABLE
TRANSISTOR
SM-B-620782

Frequently Asked Questions

What is NSN 5961-00-978-9041?

NSN 5961-00-978-9041 is a Transistor, manufactured by L3harris Interstate Electronics Corporation, classified under FSC 5961 (No Item Name Available). Status: active.

What are the part numbers for NSN 5961-00-978-9041?

NSN 5961-00-978-9041 has 12 cross-referenced part numbers: 345-123-002 (L3harris Interstate Electronics Corporation), 1850-0064 (Hewlett-Packard Company Dba HP), 2N1183 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MIL-S-19500/143 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 225598 (Rca Corp Distributor and Special Products Div) and 7 more.

What NSN replaces 5961-00-978-9041?

There are 6 known substitutes for 5961-00-978-9041: 5961-00-834-2242, 5961-00-889-4274, 5961-00-989-6707 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 345-123-002?

Key specifications for 345-123-002: Terminal Length: 0.360 INCHES MINIMUM AND 0.440 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.).; Semiconductor Material: GERMANIUM; Overall Diameter: 0.550 INCHES MINIMUM AND 0.650 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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