PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

263-10-41210Transistor

L3 Aviation Products, Inc. Dba L3 Technologies · NSN 5961-01-114-6949 · FSC 5961 · No Item Name Available
Verified by PartsTable
NSN 5961-01-114-6949 — this item is cataloged by the U.S. Government under National Stock Number 5961-01-114-6949. Primary manufacturer part number: 263-10-41210.
Features
  • Transistor — FSC 5961
  • Semiconductor Material: SILICON
  • Voltage Rating in Volts Per Characteristic: 40.0 MAXIMUM COLLECTOR TO EMITTER VOLTAGE/STATIC/BASE OPEN AND 40.0 MAXIMUM COLLECTOR TO BASE VOLTAGE/STATIC/EMITTER OPEN AND 0.1 MAXIMUM COLLECTOR TO EMITTER SATURATION VOLTAGE
  • Joint Electronic Device Engineering Council/jedec/case Outline Designation: TO-92
  • Internal Configuration: JUNCTION CONTACT
  • Transfer Ratio: 200.0 MAXIMUM STATIC FORWARD CURRENT TRANSFER RATIO, COMMON-EMITTER
  • Mounting Method: TERMINAL
  • Terminal Length: 0.500 INCHES MINIMUM IN
Applications
  • Applications requiring Plastic Enclosure construction
General Description

The Transistor, cataloged under National Stock Number 5961-01-114-6949, 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 L3 Aviation Products, Inc. Dba L3 Technologies. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5961-01-114-6949
Primary Part Number263-10-41210
Item NameTransistor
FSC / FSG5961 / 59 — No Item Name Available
ManufacturerL3 Aviation Products, Inc. Dba L3 Technologies
StatusCANCELLED
Semiconductor MaterialSILICON
Voltage Rating in Volts Per Characteristic40.0 MAXIMUM COLLECTOR TO EMITTER VOLTAGE/STATIC/BASE OPEN AND 40.0 MAXIMUM COLLECTOR TO BASE VOLTAGE/STATIC/EMITTER OPEN AND 0.1 MAXIMUM COLLECTOR TO EMITTER SATURATION VOLTAGE
Joint Electronic Device Engineering Council/jedec/case Outline DesignationTO-92
Internal ConfigurationJUNCTION CONTACT
Transfer Ratio200.0 MAXIMUM STATIC FORWARD CURRENT TRANSFER RATIO, COMMON-EMITTER
Mounting MethodTERMINAL
Terminal Length0.500 INCHES MINIMUM IN
Current Rating Per Characteristic10.00 MILLIAMPERES MAXIMUM COLLECTOR CURRENT, DC
Terminal Type and Quantity3 UNINSULATED WIRE LEAD
MaterialPLASTIC ENCLOSURE
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 1
5961-00-997-1344 INTERCHANGEABLE
Transistor
Cross-Reference Index
Part NumberManufacturer
263-10-41210 L3 Aviation Products, Inc. Dba L3 Technologies (USA)
263-97-41210 L3 Aviation Products, Inc. Dba L3 Technologies (USA)
2N4121 Central Semiconductor, Llc Dba Central Semiconductor Corp (USA)
PN4121 Fairchild Semiconductor Corp Components Group Sub of Schlumberger Ltd (USA)
Related Parts
5961-00-997-1344INTERCHANGEABLE
TRANSISTOR

Frequently Asked Questions

What is NSN 5961-01-114-6949?

NSN 5961-01-114-6949 is a Transistor, manufactured by L3 Aviation Products, Inc. Dba L3 Technologies, classified under FSC 5961 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5961-01-114-6949?

NSN 5961-01-114-6949 has 4 cross-referenced part numbers: 263-10-41210 (L3 Aviation Products, Inc. Dba L3 Technologies), 263-97-41210 (L3 Aviation Products, Inc. Dba L3 Technologies), 2N4121 (Central Semiconductor, Llc Dba Central Semiconductor Corp), PN4121 (Fairchild Semiconductor Corp Components Group Sub of Schlumberger Ltd).

What NSN replaces 5961-01-114-6949?

There is 1 known substitute for 5961-01-114-6949: 5961-00-997-1344. Verify interchangeability with system specifications before substitution.

What are the specifications of 263-10-41210?

Key specifications for 263-10-41210: Special Features: JUNCTION PATTERN ARRANGEMENT: PNP; Semiconductor Material: SILICON; Voltage Rating in Volts Per Characteristic: 40.0 MAXIMUM COLLECTOR TO EMITTER VOLTAGE/STATIC/BASE OPEN AND 40.0 MAXIMUM COLLECTOR TO BASE VOLTAGE/STATIC/EMITTER OPEN AND 0.1 MAXIMUM COLLECTOR TO EMITTER SATURATION VOLTAGE; Joint Electronic Device Engineering Council/jedec/case Outline Designation: TO-92. 14 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5961-01-114-6949 still in active supply?

NSN 5961-01-114-6949 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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