PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1854-0435Transistor

Keysight Technologies Inc · NSN 5961-00-138-5084 · FSC 5961 · No Item Name Available
Verified by PartsTable
NSN 5961-00-138-5084 — this item is cataloged by the U.S. Government under National Stock Number 5961-00-138-5084. Primary manufacturer part number: 1854-0435.
Features
  • Transistor — FSC 5961
  • Terminal Type and Quantity: 3 UNINSULATED WIRE LEAD
  • Internal Configuration: JUNCTION CONTACT
  • Power Rating Per Characteristic: 3.5 WATTS MAXIMUM TOTAL DEVICE DISSIPATION
  • Mounting Method: TERMINAL
  • Voltage Rating in Volts Per Characteristic: -25.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-EMITTER, BASE OPEN AND -40.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-EMITTER, WITH SPECIFIED RESISTANCE BETWEEN BASE AND EMITTER
  • Semiconductor Material: SILICON
  • Current Rating Per Characteristic: 150.00 MILLIAMPERES MAXIMUM COLLECTOR CURRENT, DC
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transistor, cataloged under National Stock Number 5961-00-138-5084, 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 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5961-00-138-5084
Primary Part Number1854-0435
Item NameTransistor
FSC / FSG5961 / 59 — No Item Name Available
ManufacturerKeysight Technologies Inc
StatusACTIVE
Terminal Type and Quantity3 UNINSULATED WIRE LEAD
Internal ConfigurationJUNCTION CONTACT
Power Rating Per Characteristic3.5 WATTS MAXIMUM TOTAL DEVICE DISSIPATION
Mounting MethodTERMINAL
Voltage Rating in Volts Per Characteristic-25.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-EMITTER, BASE OPEN AND -40.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-EMITTER, WITH SPECIFIED RESISTANCE BETWEEN BASE AND EMITTER
Semiconductor MaterialSILICON
Current Rating Per Characteristic150.00 MILLIAMPERES MAXIMUM COLLECTOR CURRENT, DC
Overall Diameter0.370 INCHES NOMINAL IN
Terminal Circle Diameter0.200 INCHES NOMINAL IN
Unable to DecodeUNABLE TO DECODE
Features ProvidedHERMETICALLY SEALED CASE
Terminal Length0.500 INCHES MINIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
6340-00-347-4713A21-1C INTERCHANGEABLE
Control Assy,warnin
Honeywell International Inc. Dba Honeywell Div Aerospace ? Redmond Commercial
3510-00-410-8417JA-00211 INTERCHANGEABLE
Air Strainer Assembly
Alliance Laundry Systems Llc
5325-00-641-2518A211 INTERCHANGEABLE
Eyelet,metallic
Edwin B. Stimpson Company, Inc. Dba Stimpson
5999-00-780-5314BP4705 INTERCHANGEABLE
Contact,electrical
Burke Products Inc
5910-01-013-2377247AS-C1492-001 INTERCHANGEABLE
Capacitor,fixed,electrolytic
Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier
3040-01-175-5195A2-11 INTERCHANGEABLE
Shaft,straight
Roller Bearing Co of America, Inc Div Pic Design
4820-01-205-2123M3 INTERCHANGEABLE
Valve,regulating,fluid Pressure
Mako Compressors, Llc
4030-01-332-456812577017 INTERCHANGEABLE
Hook,chain,s
Army, United States Department of the Dba Watervliet Arsenal Div Business Development
3010-01-365-6905A-211 INTERCHANGEABLE
Yoke Assembly,clutc
Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic
6680-01-406-9619A211 INTERCHANGEABLE
Float,sight Indicator
John G Papailias Co Inc Dba J G Papailias
Cross-Reference Index
Part NumberManufacturer
A211 Philips Circuit Assemblies (USA)
1854-0435 Hewlett-Packard Company Dba HP (USA)
1854-0435 PRIMARY Keysight Technologies Inc (USA)
1854-0435 Keysight Technologies, Inc. (USA)
Related Parts
6340-00-347-4713INTERCHANGEABLE
CONTROL ASSY,WARNIN
A21-1C
3510-00-410-8417INTERCHANGEABLE
AIR STRAINER ASSEMBLY
JA-00211
5325-00-641-2518INTERCHANGEABLE
EYELET,METALLIC
A211
5999-00-780-5314INTERCHANGEABLE
CONTACT,ELECTRICAL
BP4705
5910-01-013-2377INTERCHANGEABLE
CAPACITOR,FIXED,ELECTROLYTIC
247AS-C1492-001
3040-01-175-5195INTERCHANGEABLE
SHAFT,STRAIGHT
A2-11
4820-01-205-2123INTERCHANGEABLE
VALVE,REGULATING,FLUID PRESSURE
M3
4030-01-332-4568INTERCHANGEABLE
HOOK,CHAIN,S
12577017
3010-01-365-6905INTERCHANGEABLE
YOKE ASSEMBLY,CLUTC
A-211
6680-01-406-9619INTERCHANGEABLE
FLOAT,SIGHT INDICATOR
A211

Frequently Asked Questions

What is NSN 5961-00-138-5084?

NSN 5961-00-138-5084 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 5961-00-138-5084?

NSN 5961-00-138-5084 has 4 cross-referenced part numbers: A211 (Philips Circuit Assemblies), 1854-0435 (Hewlett-Packard Company Dba HP), 1854-0435 (Keysight Technologies Inc), 1854-0435 (Keysight Technologies, Inc.).

What NSN replaces 5961-00-138-5084?

There are 10 known substitutes for 5961-00-138-5084: 6340-00-347-4713, 3510-00-410-8417, 5325-00-641-2518 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1854-0435?

Key specifications for 1854-0435: Terminal Type and Quantity: 3 UNINSULATED WIRE LEAD; Internal Configuration: JUNCTION CONTACT; Power Rating Per Characteristic: 3.5 WATTS MAXIMUM TOTAL DEVICE DISSIPATION; Mounting Method: TERMINAL. 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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