PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2N3963Transistor

Osi Optoelectronics, Inc Dba Semicoa · NSN 5961-00-434-8998 · FSC 5961 · No Item Name Available
Verified by PartsTable
NSN 5961-00-434-8998 — this item is cataloged by the U.S. Government under National Stock Number 5961-00-434-8998. Primary manufacturer part number: 2N3963.
Features
  • Transistor — FSC 5961
  • Overall Diameter: 0.230 INCHES MAXIMUM IN
  • Maximum Operating Temp Per Measurement Point: 200.0 CELSIUS JUNCTION DEGC
  • Mounting Method: TERMINAL
  • Features Provided: HERMETICALLY SEALED CASE
  • Terminal Length: 0.500 INCHES MINIMUM IN
  • Semiconductor Material: SILICON
  • Terminal Type and Quantity: 3 UNINSULATED WIRE LEAD
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transistor, cataloged under National Stock Number 5961-00-434-8998, 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 Osi Optoelectronics, Inc Dba Semicoa. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 14 commercial cross-references from 12 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5961-00-434-8998
Primary Part Number2N3963
Item NameTransistor
FSC / FSG5961 / 59 — No Item Name Available
ManufacturerOsi Optoelectronics, Inc Dba Semicoa
StatusCANCELLED
Overall Diameter0.230 INCHES MAXIMUM IN
Maximum Operating Temp Per Measurement Point200.0 CELSIUS JUNCTION DEGC
Mounting MethodTERMINAL
Features ProvidedHERMETICALLY SEALED CASE
Terminal Length0.500 INCHES MINIMUM IN
Semiconductor MaterialSILICON
Terminal Type and Quantity3 UNINSULATED WIRE LEAD
Electrode Internally-Electrically Connected to CaseCOLLECTOR
Voltage Rating in Volts Per Characteristic80.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-BASE, EMITTER OPEN AND 80.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-EMITTER, BASE OPEN AND 6.0 MAXIMUM BREAKDOWN VOLTAGE, EMITTER-TO-BASE, COLLECTOR OPEN
Power Rating Per Characteristic360.0 MILLIWATTS MAXIMUM COLLECTOR POWER DISSIPATION
Internal ConfigurationJUNCTION CONTACT
Current Rating Per Characteristic200.00 MILLIAMPERES MAXIMUM COLLECTOR CURRENT, DC
Terminal Circle Diameter0.100 INCHES NOMINAL IN
Specification/standard Data80131-RELEASE5174 PROFESSIONAL/INDUSTRIAL ASSOCIATION SPECIFICATION
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5961-00-054-0265 INTERCHANGEABLE
Transistor
5961-00-075-9018723088-4 INTERCHANGEABLE
Transistor
Raytheon Company Div Rmd Strategic
5961-00-103-7676 INTERCHANGEABLE
Transistor
5961-00-124-5019 INTERCHANGEABLE
Transistor
5961-00-199-4101 INTERCHANGEABLE
Semiconductor Devices,unitized
5961-00-489-6692 INTERCHANGEABLE
Transistor
5961-00-494-60592N4035 INTERCHANGEABLE
Transistor
Semitronics Corp
5961-00-876-6345 INTERCHANGEABLE
Transistor
5961-00-938-7412 INTERCHANGEABLE
Transistor
5961-00-982-0408 INTERCHANGEABLE
Transistor
Cross-Reference Index
Part NumberManufacturer
2N3963 Electronic Industries Association
2N3963 National Semiconductor Corp (USA)
2N3963 Itt Semiconductors Div (USA)
2N3963 Philadelphia Bindery Inc (USA)
RELEASE5174 Electronic Industries Association
2N3963 Texas Instruments Incorporated (USA)
2N3963 PRIMARY Osi Optoelectronics, Inc Dba Semicoa (USA)
338660-13 Lockheed Martin Corporation Div Rms - Mitchel Field (USA)
2N3963 Fairchild Semiconductor Corp (USA)
2N3963 Adelco Elektronik Gmbh (DEU)
PS71545-1 Rockwell Collins, Inc. Dba Rc Displays Systems (USA)
2N3963 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
2N3963 Philips Semiconductors Unternehmensbereich Der Philips Gmbh (DEU)
2N3963A Adelco Elektronik Gmbh (DEU)
Related Parts
5961-00-054-0265INTERCHANGEABLE
TRANSISTOR
5961-00-075-9018INTERCHANGEABLE
TRANSISTOR
723088-4
5961-00-103-7676INTERCHANGEABLE
TRANSISTOR
5961-00-124-5019INTERCHANGEABLE
TRANSISTOR
5961-00-199-4101INTERCHANGEABLE
SEMICONDUCTOR DEVICES,UNITIZED
5961-00-489-6692INTERCHANGEABLE
TRANSISTOR
5961-00-494-6059INTERCHANGEABLE
TRANSISTOR
2N4035
5961-00-876-6345INTERCHANGEABLE
TRANSISTOR
5961-00-938-7412INTERCHANGEABLE
TRANSISTOR
5961-00-982-0408INTERCHANGEABLE
TRANSISTOR
5961-01-012-1917INTERCHANGEABLE
SEMICONDUCTOR DEVICES,UNITIZED
5961-01-055-8602INTERCHANGEABLE
SEMICONDUCTOR DEVICES,UNITIZED

Frequently Asked Questions

What is NSN 5961-00-434-8998?

NSN 5961-00-434-8998 is a Transistor, manufactured by Osi Optoelectronics, Inc Dba Semicoa, classified under FSC 5961 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5961-00-434-8998?

NSN 5961-00-434-8998 has 14 cross-referenced part numbers: 2N3963 (Electronic Industries Association), 2N3963 (National Semiconductor Corp), 2N3963 (Itt Semiconductors Div), 2N3963 (Philadelphia Bindery Inc), RELEASE5174 (Electronic Industries Association) and 9 more.

What NSN replaces 5961-00-434-8998?

There are 12 known substitutes for 5961-00-434-8998: 5961-00-054-0265, 5961-00-075-9018, 5961-00-103-7676 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 2N3963?

Key specifications for 2N3963: Overall Diameter: 0.230 INCHES MAXIMUM IN; Maximum Operating Temp Per Measurement Point: 200.0 CELSIUS JUNCTION DEGC; Special Features: JUNCTION PATTERN ARRANGEMENT: PNP; Overall Length: 0.210 INCHES MAXIMUM IN. 16 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5961-00-434-8998 still in active supply?

NSN 5961-00-434-8998 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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