PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1854-0253Transistor

Keysight Technologies Inc · NSN 5961-00-876-6606 · FSC 5961 · No Item Name Available
Verified by PartsTable
NSN 5961-00-876-6606 — this item is cataloged by the U.S. Government under National Stock Number 5961-00-876-6606. Primary manufacturer part number: 1854-0253.
Features
  • Transistor — FSC 5961
  • Current Rating Per Characteristic: 1.00 AMPERES MAXIMUM BASE CURRENT, DC AND 5.00 AMPERES MAXIMUM COLLECTOR CURRENT, DC
  • Power Rating Per Characteristic: 35.0 WATTS MAXIMUM COLLECTOR POWER DISSIPATION
  • Terminal Type and Quantity: 2 UNINSULATED WIRE LEAD AND 1 CASE
  • Criticality Code Justification: FEAT
  • Semiconductor Material: SILICON
  • Maximum Operating Temp Per Measurement Point: 200.0 CELSIUS JUNCTION DEGC
  • Internal Configuration: JUNCTION CONTACT
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transistor, cataloged under National Stock Number 5961-00-876-6606, 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 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 31 commercial cross-references from 22 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5961-00-876-6606
Primary Part Number1854-0253
Item NameTransistor
FSC / FSG5961 / 59 — No Item Name Available
ManufacturerKeysight Technologies Inc
StatusCANCELLED
Current Rating Per Characteristic1.00 AMPERES MAXIMUM BASE CURRENT, DC AND 5.00 AMPERES MAXIMUM COLLECTOR CURRENT, DC
Power Rating Per Characteristic35.0 WATTS MAXIMUM COLLECTOR POWER DISSIPATION
Terminal Type and Quantity2 UNINSULATED WIRE LEAD AND 1 CASE
Criticality Code JustificationFEAT
Semiconductor MaterialSILICON
Maximum Operating Temp Per Measurement Point200.0 CELSIUS JUNCTION DEGC
Internal ConfigurationJUNCTION CONTACT
Overall Diameter0.620 INCHES MAXIMUM IN
Voltage Rating in Volts Per Characteristic500.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-BASE, EMITTER OPEN AND 300.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-EMITTER, BASE OPEN AND 6.0 MAXIMUM BREAKDOWN VOLTAGE, EMITTER-TO-BASE, COLLECTOR OPEN
Features ProvidedHERMETICALLY SEALED CASE
Mounting Facility Quantity2
Electrode Internally-Electrically Connected to CaseCOLLECTOR
Mounting MethodUNTHREADED HOLE(S)
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 10
5331-00-248-38476227-13 INTERCHANGEABLE
O-Ring
Arrowhead Products Corp
5961-00-439-3749 INTERCHANGEABLE
Transistor
5961-00-813-5111146286-01 INTERCHANGEABLE
Transistor
Ge Aviation Systems Llc
5961-00-850-8921 INTERCHANGEABLE
Transistor
5905-00-938-755940422 INTERCHANGEABLE
Resistor,variable,nonwire Wound,
General Dynamics Motion Control Llc
5961-01-070-088611830747 INTERCHANGEABLE
Transistor
Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate
5962-01-079-016840422 INTERCHANGEABLE
Microcircuit,memory
Raytheon Company Div Rmd Strategic
6515-01-451-1356404-22 INTERCHANGEABLE
Screw,bone
Depuy Synthes Sales Inc Dba Depuy Synthes Trauma Div Depuy Synthes Sales, Inc., D/b/a Depuy Synthes Trauma
2910-01-574-817640422 INTERCHANGEABLE
Terminal Lever
Motor Services Hugo Stamp Inc
1630-01-693-552240-422 INTERCHANGEABLE
Wheel Assembly,aircraft
Aircraft Wheel and Brake, Llc Dba Cleveland Wheel and Brake Systems
Cross-Reference Index
Part NumberManufacturer
1854-0341 Keysight Technologies, Inc. (USA)
55-004-0013 Rocc Computers Ltd (GBR)
2N4240 Adelco Elektronik Gmbh (DEU)
1854-0253 Keysight Technologies, Inc. (USA)
209285-026 Tdk-Lambda Americas Inc. Div High Power Division (USA)
2N4240 Texas Instruments Incorporated (USA)
1854-0311 Keysight Technologies, Inc. (USA)
2N4240A Adelco Elektronik Gmbh (DEU)
174-20989-18 Gte Communication Systems Corp (USA)
40422 Rca Corp Distribution and Special Products (USA)
580-219 Ampex Systems Corp (USA)
SJ1553 Freescale Semiconductor, Inc. (USA)
1854-0253 Hewlett-Packard Company Dba HP (USA)
RELEASE5272 Electronic Industries Association
1854-0237 Hewlett-Packard Company Dba HP (USA)
1854-0253 PRIMARY Keysight Technologies Inc (USA)
2N4240 Electronic Industries Association
200706-001 Bae Systems Information and Electronic Systems Integration Inc. Dba Bae Systems (USA)
91524044 Thales Training Et Simulation SAS (FRA)
2N4Z40 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
5331-00-248-3847INTERCHANGEABLE
O-RING
6227-13
5961-00-439-3749INTERCHANGEABLE
TRANSISTOR
5961-00-813-5111INTERCHANGEABLE
TRANSISTOR
146286-01
5961-00-850-8921INTERCHANGEABLE
TRANSISTOR
5905-00-938-7559INTERCHANGEABLE
RESISTOR,VARIABLE,NONWIRE WOUND,
40422
5961-01-070-0886INTERCHANGEABLE
TRANSISTOR
11830747
5962-01-079-0168INTERCHANGEABLE
MICROCIRCUIT,MEMORY
40422
6515-01-451-1356INTERCHANGEABLE
SCREW,BONE
404-22
2910-01-574-8176INTERCHANGEABLE
TERMINAL LEVER
40422
1630-01-693-5522INTERCHANGEABLE
WHEEL ASSEMBLY,AIRCRAFT
40-422

Frequently Asked Questions

What is NSN 5961-00-876-6606?

NSN 5961-00-876-6606 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 5961-00-876-6606?

NSN 5961-00-876-6606 has 31 cross-referenced part numbers: 1854-0341 (Keysight Technologies, Inc.), 55-004-0013 (Rocc Computers Ltd), 2N4240 (Adelco Elektronik Gmbh), 1854-0253 (Keysight Technologies, Inc.), 209285-026 (Tdk-Lambda Americas Inc. Div High Power Division) and 26 more.

What NSN replaces 5961-00-876-6606?

There are 10 known substitutes for 5961-00-876-6606: 5331-00-248-3847, 5961-00-439-3749, 5961-00-813-5111 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1854-0253?

Key specifications for 1854-0253: Current Rating Per Characteristic: 1.00 AMPERES MAXIMUM BASE CURRENT, DC AND 5.00 AMPERES MAXIMUM COLLECTOR CURRENT, DC; Power Rating Per Characteristic: 35.0 WATTS MAXIMUM COLLECTOR POWER DISSIPATION; Terminal Type and Quantity: 2 UNINSULATED WIRE LEAD AND 1 CASE; Criticality Code Justification: FEAT. 16 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5961-00-876-6606 still in active supply?

NSN 5961-00-876-6606 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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