PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1855-0029Transistor

Keysight Technologies Inc · NSN 5961-00-763-4701 · FSC 5961 · No Item Name Available
Verified by PartsTable
NSN 5961-00-763-4701 — this item is cataloged by the U.S. Government under National Stock Number 5961-00-763-4701. Primary manufacturer part number: 1855-0029.
Features
  • Transistor — FSC 5961
  • Terminal Type and Quantity: 3 UNINSULATED WIRE LEAD
  • Features Provided: HERMETICALLY SEALED CASE
  • Terminal Length: 0.750 INCHES NOMINAL IN
  • Overall Diameter: 0.171 INCHES NOMINAL IN
  • Semiconductor Material: SILICON
  • Internal Configuration: FIELD EFFECT
  • 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 5961-00-763-4701, 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 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5961-00-763-4701
Primary Part Number1855-0029
Item NameTransistor
FSC / FSG5961 / 59 — No Item Name Available
ManufacturerKeysight Technologies Inc
StatusACTIVE
Terminal Type and Quantity3 UNINSULATED WIRE LEAD
Features ProvidedHERMETICALLY SEALED CASE
Terminal Length0.750 INCHES NOMINAL IN
Overall Diameter0.171 INCHES NOMINAL IN
Semiconductor MaterialSILICON
Internal ConfigurationFIELD EFFECT
Mounting MethodTERMINAL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5961-00-943-9203MQ2N2608 INTERCHANGEABLE
Transistor
Microsemi Corp - Massachusetts
4330-01-046-696051253 INTERCHANGEABLE
Filter Element,fluid
Wix Corp
Cross-Reference Index
Part NumberManufacturer
1855-0029 PRIMARY Keysight Technologies Inc (USA)
SFB4001 Texas Instruments Incorporated (USA)
PF445 Siliconix Incorporated Div Siliconix (USA)
1855-0029 Keysight Technologies, Inc. (USA)
1855-0029 Hewlett-Packard Company Dba HP (USA)
Related Parts
5961-00-943-9203INTERCHANGEABLE
TRANSISTOR
MQ2N2608
4330-01-046-6960INTERCHANGEABLE
FILTER ELEMENT,FLUID
51253

Frequently Asked Questions

What is NSN 5961-00-763-4701?

NSN 5961-00-763-4701 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 5961-00-763-4701?

NSN 5961-00-763-4701 has 5 cross-referenced part numbers: 1855-0029 (Keysight Technologies Inc), SFB4001 (Texas Instruments Incorporated), PF445 (Siliconix Incorporated Div Siliconix), 1855-0029 (Keysight Technologies, Inc.), 1855-0029 (Hewlett-Packard Company Dba HP).

What NSN replaces 5961-00-763-4701?

There are 2 known substitutes for 5961-00-763-4701: 5961-00-943-9203, 4330-01-046-6960. Verify interchangeability with system specifications before substitution.

What are the specifications of 1855-0029?

Key specifications for 1855-0029: Terminal Type and Quantity: 3 UNINSULATED WIRE LEAD; Overall Length: 0.187 INCHES NOMINAL IN; Features Provided: HERMETICALLY SEALED CASE; Terminal Length: 0.750 INCHES NOMINAL IN. 9 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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