PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1855-0098Transistor

Keysight Technologies Inc · NSN 5961-00-430-6818 · FSC 5961 · No Item Name Available
Verified by PartsTable
NSN 5961-00-430-6818 — this item is cataloged by the U.S. Government under National Stock Number 5961-00-430-6818. Primary manufacturer part number: 1855-0098.
Features
  • Transistor — FSC 5961
  • Mounting Method: TERMINAL
  • Terminal Length: 0.500 INCHES MINIMUM IN
  • Voltage Rating in Volts Per Characteristic: -30.0 MAXIMUM BREAKDOWN VOLTAGE, DRAIN-TO-SOURCE, WITH ALL OTHER TERMINALS SHORT-CIRCUITED TO SOURCE
  • Terminal Circle Diameter: 0.100 INCHES NOMINAL IN
  • Internal Configuration: JUNCTION CONTACT
  • Power Rating Per Characteristic: 200.0 MILLIWATTS MAXIMUM TOTAL DEVICE DISSIPATION
  • Criticality Code Justification: FEAT
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transistor, cataloged under National Stock Number 5961-00-430-6818, 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 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 8 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5961-00-430-6818
Primary Part Number1855-0098
Item NameTransistor
FSC / FSG5961 / 59 — No Item Name Available
ManufacturerKeysight Technologies Inc
StatusACTIVE
Mounting MethodTERMINAL
Terminal Length0.500 INCHES MINIMUM IN
Voltage Rating in Volts Per Characteristic-30.0 MAXIMUM BREAKDOWN VOLTAGE, DRAIN-TO-SOURCE, WITH ALL OTHER TERMINALS SHORT-CIRCUITED TO SOURCE
Terminal Circle Diameter0.100 INCHES NOMINAL IN
Internal ConfigurationJUNCTION CONTACT
Power Rating Per Characteristic200.0 MILLIWATTS MAXIMUM TOTAL DEVICE DISSIPATION
Criticality Code JustificationFEAT
Features ProvidedHERMETICALLY SEALED CASE
Semiconductor MaterialSILICON
Overall Diameter0.187 INCHES NOMINAL IN
Terminal Type and Quantity4 UNINSULATED WIRE LEAD
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
4540-00-740-0125203D1T0D4ANDD7 INTERCHANGEABLE
Collar Assembly,heater
Sterling Mfg Co
6625-00-991-4994M5000 INTERCHANGEABLE
Galvanometer,sub-Miniature
Sypris Electronics, Llc Div Sypris Electronics, Llc - Colorado Field Services
2590-01-468-7350 INTERCHANGEABLE
Winch,drum,vehicle Mounting
7025-01-519-4614 INTERCHANGEABLE
Mouse,data Entry
Cross-Reference Index
Part NumberManufacturer
SD1G0056 Palomar Products, Inc. (USA)
1855-0098 Hewlett-Packard Company Dba HP (USA)
MU696 Siliconix Incorporated Div Siliconix (USA)
1855-0098 PRIMARY Keysight Technologies Inc (USA)
1855-0098 Keysight Technologies, Inc. (USA)
NEN520X General Semiconductor Inc (USA)
M5000 Solitron Devices, Inc. (USA)
ITS3541 Intersil Inc Sub of General Electric Co (USA)
Related Parts
4540-00-740-0125INTERCHANGEABLE
COLLAR ASSEMBLY,HEATER
203D1T0D4ANDD7
6625-00-991-4994INTERCHANGEABLE
GALVANOMETER,SUB-MINIATURE
M5000
2590-01-468-7350INTERCHANGEABLE
WINCH,DRUM,VEHICLE MOUNTING
7025-01-519-4614INTERCHANGEABLE
MOUSE,DATA ENTRY

Frequently Asked Questions

What is NSN 5961-00-430-6818?

NSN 5961-00-430-6818 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 5961-00-430-6818?

NSN 5961-00-430-6818 has 8 cross-referenced part numbers: SD1G0056 (Palomar Products, Inc.), 1855-0098 (Hewlett-Packard Company Dba HP), MU696 (Siliconix Incorporated Div Siliconix), 1855-0098 (Keysight Technologies Inc), 1855-0098 (Keysight Technologies, Inc.) and 3 more.

What NSN replaces 5961-00-430-6818?

There are 4 known substitutes for 5961-00-430-6818: 4540-00-740-0125, 6625-00-991-4994, 2590-01-468-7350 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1855-0098?

Key specifications for 1855-0098: Mounting Method: TERMINAL; Terminal Length: 0.500 INCHES MINIMUM IN; Voltage Rating in Volts Per Characteristic: -30.0 MAXIMUM BREAKDOWN VOLTAGE, DRAIN-TO-SOURCE, WITH ALL OTHER TERMINALS SHORT-CIRCUITED TO SOURCE; Terminal Circle Diameter: 0.100 INCHES NOMINAL IN. 14 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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