PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1854-0368Transistor

Keysight Technologies, Inc. · NSN 5961-00-491-0655 · FSC 5961 · No Item Name Available
Verified by PartsTable
NSN 5961-00-491-0655 — this item is cataloged by the U.S. Government under National Stock Number 5961-00-491-0655. Primary manufacturer part number: 1854-0368.
Features
  • Transistor — FSC 5961
  • Mounting Facility Quantity: 1
  • Terminal Type and Quantity: 3 PIN
  • Features Provided: HERMETICALLY SEALED CASE
  • Internal Configuration: JUNCTION CONTACT
  • Voltage Rating in Volts Per Characteristic: 60.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-BASE, EMITTER OPEN AND 60.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-EMITTER, BASE OPEN AND 5.0 MAXIMUM BREAKDOWN VOLTAGE, EMITTER-TO-BASE, COLLECTOR OPEN
  • Current Rating Per Characteristic: 1.00 AMPERES MAXIMUM BASE CURRENT, DC AND 4.00 AMPERES MAXIMUM COLLECTOR CURRENT, DC
  • Mounting Method: UNTHREADED HOLE(S)
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transistor, cataloged under National Stock Number 5961-00-491-0655, 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 12 commercial cross-references from 11 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5961-00-491-0655
Primary Part Number1854-0368
Item NameTransistor
FSC / FSG5961 / 59 — No Item Name Available
ManufacturerKeysight Technologies, Inc.
StatusACTIVE
Mounting Facility Quantity1
Terminal Type and Quantity3 PIN
Features ProvidedHERMETICALLY SEALED CASE
Internal ConfigurationJUNCTION CONTACT
Voltage Rating in Volts Per Characteristic60.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-BASE, EMITTER OPEN AND 60.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-EMITTER, BASE OPEN AND 5.0 MAXIMUM BREAKDOWN VOLTAGE, EMITTER-TO-BASE, COLLECTOR OPEN
Current Rating Per Characteristic1.00 AMPERES MAXIMUM BASE CURRENT, DC AND 4.00 AMPERES MAXIMUM COLLECTOR CURRENT, DC
Mounting MethodUNTHREADED HOLE(S)
Electrode Internally-Electrically Connected to CaseCOLLECTOR
Specification/standard Data80131-RELEASE5751 PROFESSIONAL/INDUSTRIAL ASSOCIATION SPECIFICATION
Maximum Operating Temp Per Measurement Point200.0 CELSIUS JUNCTION DEGC
Semiconductor MaterialSILICON
Power Rating Per Characteristic40.0 WATTS MAXIMUM COLLECTOR POWER DISSIPATION
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
5961-00-127-1585 INTERCHANGEABLE
Transistor
5961-00-246-2453 INTERCHANGEABLE
Transistor
6740-00-310-9899 INTERCHANGEABLE
Guard
5961-00-401-3298 INTERCHANGEABLE
Transistor
5961-01-005-6607 INTERCHANGEABLE
Transistor
4720-01-026-7444310055 INTERCHANGEABLE
Tubing,nonmetallic
Telemechanics Inc
4220-01-561-6002310-055 INTERCHANGEABLE
Oral Nasal
Kirby Morgan Dive Systems Inc
Cross-Reference Index
Part NumberManufacturer
1854-0368 Keysight Technologies, Inc. (USA)
Q62702-U137 Tdk Electronics Ag (DEU)
Q62702-U137 Epcos Ag Abt. Pr Roe K Pm (DEU)
157-519 Systron-Donner Corp Microwave/instrument Div (USA)
1854-0368 Keysight Technologies Inc (USA)
RELEASE5751 Electronic Industries Association
2N5191 Electronic Industries Association
157-519 Autek Systems Corp (USA)
2N5191 Freescale Semiconductor, Inc. (USA)
2N5191 Ampex Systems Corp (USA)
310055 Datron World Communications, Inc. (USA)
1854-0368 Hewlett-Packard Company Dba HP (USA)
Related Parts
5961-00-127-1585INTERCHANGEABLE
TRANSISTOR
5961-00-246-2453INTERCHANGEABLE
TRANSISTOR
6740-00-310-9899INTERCHANGEABLE
GUARD
5961-00-401-3298INTERCHANGEABLE
TRANSISTOR
5961-01-005-6607INTERCHANGEABLE
TRANSISTOR
4720-01-026-7444INTERCHANGEABLE
TUBING,NONMETALLIC
310055
4220-01-561-6002INTERCHANGEABLE
ORAL NASAL
310-055

Frequently Asked Questions

What is NSN 5961-00-491-0655?

NSN 5961-00-491-0655 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 5961-00-491-0655?

NSN 5961-00-491-0655 has 12 cross-referenced part numbers: 1854-0368 (Keysight Technologies, Inc.), Q62702-U137 (Tdk Electronics Ag), Q62702-U137 (Epcos Ag Abt. Pr Roe K Pm), 157-519 (Systron-Donner Corp Microwave/instrument Div), 1854-0368 (Keysight Technologies Inc) and 7 more.

What NSN replaces 5961-00-491-0655?

There are 7 known substitutes for 5961-00-491-0655: 5961-00-127-1585, 5961-00-246-2453, 6740-00-310-9899 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1854-0368?

Key specifications for 1854-0368: Mounting Facility Quantity: 1; Terminal Type and Quantity: 3 PIN; Features Provided: HERMETICALLY SEALED CASE; Internal Configuration: JUNCTION CONTACT. 16 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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