PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1850-0048Transistor

Hewlett-Packard Company Dba HP · NSN 5961-00-952-9051 · FSC 5961 · No Item Name Available
Verified by PartsTable
NSN 5961-00-952-9051 — this item is cataloged by the U.S. Government under National Stock Number 5961-00-952-9051. Primary manufacturer part number: 1850-0048.
Features
  • Transistor — FSC 5961
  • Overall Diameter: 0.335 INCHES MINIMUM AND 0.370 INCHES MAXIMUM IN
  • Features Provided: HERMETICALLY SEALED CASE
  • Current Rating Per Characteristic: 500.00 MILLIAMPERES MAXIMUM COLLECTOR CURRENT, DC
  • 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.).
  • Terminal Type and Quantity: 3 UNINSULATED WIRE LEAD
  • Terminal Circle Diameter: 0.200 INCHES NOMINAL IN
  • Power Rating Per Characteristic: 200.0 MILLIWATTS MAXIMUM TOTAL POWER DISSIPATION
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transistor, cataloged under National Stock Number 5961-00-952-9051, 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 Hewlett-Packard Company Dba HP. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5961-00-952-9051
Primary Part Number1850-0048
Item NameTransistor
FSC / FSG5961 / 59 — No Item Name Available
ManufacturerHewlett-Packard Company Dba HP
StatusACTIVE
Overall Diameter0.335 INCHES MINIMUM AND 0.370 INCHES MAXIMUM IN
Features ProvidedHERMETICALLY SEALED CASE
Current Rating Per Characteristic500.00 MILLIAMPERES MAXIMUM COLLECTOR CURRENT, DC
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 Type and Quantity3 UNINSULATED WIRE LEAD
Terminal Circle Diameter0.200 INCHES NOMINAL IN
Power Rating Per Characteristic200.0 MILLIWATTS MAXIMUM TOTAL POWER DISSIPATION
Semiconductor MaterialGERMANIUM
Mounting MethodTERMINAL
Specification/standard Data81349-MIL-S-19500/175 GOVERNMENT SPECIFICATION
Voltage Rating in Volts Per Characteristic-45.0 MAXIMUM COLLECTOR TO BASE VOLTAGE, DC AND -30.0 MAXIMUM COLLECTOR TO EMITTER VOLTAGE, DC AND -30.0 MAXIMUM EMITTER TO BASE VOLTAGE, DC
Internal ConfigurationJUNCTION CONTACT
Terminal Length1.500 INCHES MINIMUM AND 1.750 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5961-00-226-8669 INTERCHANGEABLE
Transistor
5961-00-448-6217 INTERCHANGEABLE
Transistor
5961-00-883-5305 INTERCHANGEABLE
Transistor
Cross-Reference Index
Part NumberManufacturer
1850-0048 Hewlett-Packard Company Dba HP (USA)
2N650A Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MIL-S-19500/175 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
5961-00-226-8669INTERCHANGEABLE
TRANSISTOR
5961-00-448-6217INTERCHANGEABLE
TRANSISTOR
5961-00-883-5305INTERCHANGEABLE
TRANSISTOR

Frequently Asked Questions

What is NSN 5961-00-952-9051?

NSN 5961-00-952-9051 is a Transistor, manufactured by Hewlett-Packard Company Dba HP, classified under FSC 5961 (No Item Name Available). Status: active.

What are the part numbers for NSN 5961-00-952-9051?

NSN 5961-00-952-9051 has 3 cross-referenced part numbers: 1850-0048 (Hewlett-Packard Company Dba HP), 2N650A (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MIL-S-19500/175 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 5961-00-952-9051?

There are 3 known substitutes for 5961-00-952-9051: 5961-00-226-8669, 5961-00-448-6217, 5961-00-883-5305. Verify interchangeability with system specifications before substitution.

What are the specifications of 1850-0048?

Key specifications for 1850-0048: Overall Diameter: 0.335 INCHES MINIMUM AND 0.370 INCHES MAXIMUM IN; Special Features: JUNCTION PATTERN ARRANGEMENT: PNP; Features Provided: HERMETICALLY SEALED CASE; Current Rating Per Characteristic: 500.00 MILLIAMPERES MAXIMUM COLLECTOR CURRENT, DC. 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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