PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1855-0073Transistor

Keysight Technologies Inc · NSN 5961-00-492-2533 · FSC 5961 · No Item Name Available
Verified by PartsTable
NSN 5961-00-492-2533 — this item is cataloged by the U.S. Government under National Stock Number 5961-00-492-2533. Primary manufacturer part number: 1855-0073.
Features
  • Transistor — FSC 5961
  • Terminal Length: 0.500 INCHES MINIMUM IN
  • Semiconductor Material: SILICON
  • Mounting Method: TERMINAL
  • Power Rating Per Characteristic: 200.0 MILLIWATTS MAXIMUM TOTAL DEVICE DISSIPATION
  • Terminal Circle Diameter: 0.100 INCHES NOMINAL IN
  • Overall Diameter: 0.280 INCHES NOMINAL IN
  • Internal Configuration: UNIJUNCTION
Applications
  • Applications requiring Plastic Enclosure construction
General Description

The Transistor, cataloged under National Stock Number 5961-00-492-2533, 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 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 10 commercial cross-references from 7 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
NSN5961-00-492-2533
Primary Part Number1855-0073
Item NameTransistor
FSC / FSG5961 / 59 — No Item Name Available
ManufacturerKeysight Technologies Inc
StatusACTIVE
Terminal Length0.500 INCHES MINIMUM IN
Semiconductor MaterialSILICON
Mounting MethodTERMINAL
Power Rating Per Characteristic200.0 MILLIWATTS MAXIMUM TOTAL DEVICE DISSIPATION
Terminal Circle Diameter0.100 INCHES NOMINAL IN
Overall Diameter0.280 INCHES NOMINAL IN
Internal ConfigurationUNIJUNCTION
Terminal Type and Quantity3 UNINSULATED WIRE LEAD
MaterialPLASTIC ENCLOSURE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5961-00-359-7587 INTERCHANGEABLE
Transistor
5961-01-078-9651 INTERCHANGEABLE
Transistor
7690-01-708-0841S-22084 INTERCHANGEABLE
Label
Uline Inc
Cross-Reference Index
Part NumberManufacturer
S22084 Fairchild Semiconductor Corp Components Group Sub of Schlumberger Ltd (USA)
1855-0073 Keysight Technologies, Inc. (USA)
SPF545 Freescale Semiconductor, Inc. (USA)
SF89006 National Semiconductor Corporation (USA)
SKA4510 Texas Instruments Incorporated (USA)
2N5462 Hewlett-Packard Company Dba HP (USA)
2N5462 Keysight Technologies, Inc. (USA)
1855-0073 Hewlett-Packard Company Dba HP (USA)
2N5462 Keysight Technologies Inc (USA)
1855-0073 PRIMARY Keysight Technologies Inc (USA)
Related Parts
5961-00-359-7587INTERCHANGEABLE
TRANSISTOR
5961-01-078-9651INTERCHANGEABLE
TRANSISTOR
7690-01-708-0841INTERCHANGEABLE
LABEL
S-22084

Frequently Asked Questions

What is NSN 5961-00-492-2533?

NSN 5961-00-492-2533 is a Transistor, manufactured by Keysight Technologies Inc, classified under FSC 5961 (No Item Name Available). Status: active.

What are the part numbers for NSN 5961-00-492-2533?

NSN 5961-00-492-2533 has 10 cross-referenced part numbers: S22084 (Fairchild Semiconductor Corp Components Group Sub of Schlumberger Ltd), 1855-0073 (Keysight Technologies, Inc.), SPF545 (Freescale Semiconductor, Inc.), SF89006 (National Semiconductor Corporation), SKA4510 (Texas Instruments Incorporated) and 5 more.

What NSN replaces 5961-00-492-2533?

There are 3 known substitutes for 5961-00-492-2533: 5961-00-359-7587, 5961-01-078-9651, 7690-01-708-0841. Verify interchangeability with system specifications before substitution.

What are the specifications of 1855-0073?

Key specifications for 1855-0073: Terminal Length: 0.500 INCHES MINIMUM IN; Semiconductor Material: SILICON; Mounting Method: TERMINAL; Power Rating Per Characteristic: 200.0 MILLIWATTS MAXIMUM TOTAL DEVICE DISSIPATION. 10 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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