PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1854-0019Transistor

Keysight Technologies Inc · NSN 5961-00-108-4783 · FSC 5961 · No Item Name Available
Verified by PartsTable
NSN 5961-00-108-4783 — this item is cataloged by the U.S. Government under National Stock Number 5961-00-108-4783. Primary manufacturer part number: 1854-0019.
Features
  • Transistor — FSC 5961
  • Terminal Type and Quantity: 3 UNINSULATED WIRE LEAD3 UNINSULATED WIRE LEAD
  • Terminal Circle Diameter: 0.106 INCHES NOMINAL0.106 INCHES NOMINAL IN
  • Internal Configuration: JUNCTION CONTACTJUNCTION CONTACT
  • Power Rating Per Characteristic: 1.2 WATTS MAXIMUM TOTAL POWER DISSIPATION1.2 WATTS MAXIMUM TOTAL POWER DISSIPATION
  • Features Provided: HERMETICALLY SEALED CASEHERMETICALLY SEALED CASE
  • Overall Diameter: 0.187 INCHES MINIMUM0.187 INCHES MINIMUM IN
  • Joint Electronic Device Engineering Council/jedec/case Outline Designation: TO-18TO-18
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transistor, cataloged under National Stock Number 5961-00-108-4783, 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 Keysight Technologies Inc. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5961-00-108-4783
Primary Part Number1854-0019
Item NameTransistor
FSC / FSG5961 / 59 — No Item Name Available
ManufacturerKeysight Technologies Inc
StatusCANCELLED
Terminal Type and Quantity3 UNINSULATED WIRE LEAD3 UNINSULATED WIRE LEAD
Terminal Circle Diameter0.106 INCHES NOMINAL0.106 INCHES NOMINAL IN
Internal ConfigurationJUNCTION CONTACTJUNCTION CONTACT
Power Rating Per Characteristic1.2 WATTS MAXIMUM TOTAL POWER DISSIPATION1.2 WATTS MAXIMUM TOTAL POWER DISSIPATION
Features ProvidedHERMETICALLY SEALED CASEHERMETICALLY SEALED CASE
Overall Diameter0.187 INCHES MINIMUM0.187 INCHES MINIMUM IN
Joint Electronic Device Engineering Council/jedec/case Outline DesignationTO-18TO-18
Mounting MethodTERMINALTERMINAL
Terminal Length0.500 INCHES MINIMUM0.500 INCHES MINIMUM IN
Maximum Operating Temp Per Measurement Point200.0 CELSIUS JUNCTION200.0 CELSIUS JUNCTION DEGC
Voltage Rating in Volts Per Characteristic15.0 MAXIMUM COLLECTOR TO EMITTER VOLTAGE, DC AND 15.0 MAXIMUM COLLECTOR TO EMITTER VOLTAGE, DC AND 35.0 MAXIMUM COLLECTOR TO BASE VOLTAGE, DC AND 35.0 MAXIMUM COLLECTOR TO BASE VOLTAGE, DC AND 4.5 MAXIMUM EMITTER TO BASE VOLTAGE, DC4.5 MAXIMUM EMITTER TO BASE VOLTAGE, DC
Semiconductor MaterialSILICONSILICON
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 2
5961-00-420-3668 INTERCHANGEABLE
Transistor
5961-00-919-4566910630 INTERCHANGEABLE
Transistor
Bae Systems Information and Electronic Systems Integration Inc.
Cross-Reference Index
Part NumberManufacturer
5080-1032 Hewlett-Packard Company Dba HP (USA)
1854-0019 Hewlett-Packard Company Dba HP (USA)
5080-9042 Hewlett-Packard Company Dba HP (USA)
1854-0019 PRIMARY Keysight Technologies Inc (USA)
SS2188 Freescale Semiconductor, Inc. (USA)
1854-0019 Keysight Technologies, Inc. (USA)
Related Parts
5961-00-420-3668INTERCHANGEABLE
TRANSISTOR
5961-00-919-4566INTERCHANGEABLE
TRANSISTOR
910630

Frequently Asked Questions

What is NSN 5961-00-108-4783?

NSN 5961-00-108-4783 is a Transistor, manufactured by Keysight Technologies Inc, classified under FSC 5961 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5961-00-108-4783?

NSN 5961-00-108-4783 has 6 cross-referenced part numbers: 5080-1032 (Hewlett-Packard Company Dba HP), 1854-0019 (Hewlett-Packard Company Dba HP), 5080-9042 (Hewlett-Packard Company Dba HP), 1854-0019 (Keysight Technologies Inc), SS2188 (Freescale Semiconductor, Inc.) and 1 more.

What NSN replaces 5961-00-108-4783?

There are 2 known substitutes for 5961-00-108-4783: 5961-00-420-3668, 5961-00-919-4566. Verify interchangeability with system specifications before substitution.

What are the specifications of 1854-0019?

Key specifications for 1854-0019: Terminal Type and Quantity: 3 UNINSULATED WIRE LEAD3 UNINSULATED WIRE LEAD; Special Features: JUNCTION PATTERN ARRANGEMENT: NPNJUNCTION PATTERN ARRANGEMENT: NPN; Terminal Circle Diameter: 0.106 INCHES NOMINAL0.106 INCHES NOMINAL IN; Internal Configuration: JUNCTION CONTACTJUNCTION CONTACT. 14 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5961-00-108-4783 still in active supply?

NSN 5961-00-108-4783 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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