2C3421

Single Bipolar Transistors Overview

The Microchip Technology 2C3421 is a bipolar junction transistor (BJT) classified as a power BJT. It utilizes silicon technology and is housed in a TO-5-3 through-hole package with three leads. The device operates as an NPN single configuration transistor. Key electrical specifications include a maximum collector-emitter voltage (VCEO) of 80 V, a collector-base voltage (VCBO) of 125 V, and an emitter-base voltage (VEBO) of 8 V. The component supports a maximum DC collector current of 3 A and handles a power dissipation of 1 W. It functions within an extended temperature range from -65°C to +200°C.

Single Bipolar Transistors Feature Summary

• High-power handling capability with 1 W dissipation rating
• Robust voltage tolerance for collector-emitter and collector-base terminals
• Extended operational temperature range suitable for harsh environments
• Through-hole mounting for reliable mechanical integration

Single Bipolar Transistors Applications

• High-power switching circuits requiring robust NPN control
• Industrial equipment operating under extreme thermal conditions
• Power amplification stages in specialized electronic systems

Single Bipolar Transistors Procurement Notes

Verify the specific manufacturing lot and date code upon receipt to ensure compliance with project requirements. Confirm that the TO-5-3 package dimensions match the designated footprint on the printed circuit board. Check for any physical damage to the leads or casing before soldering. Ensure proper electrostatic discharge precautions are taken during handling. Review the latest datasheet for any potential product change notifications affecting performance characteristics.

Single Bipolar Transistors Selection Notes

Select this component when high current capacity and wide temperature tolerance are required in a through-hole format. The 80 V collector-emitter rating suits applications with moderate voltage swings. Consider the 1 W power dissipation limit for thermal management design. The TO-5-3 package offers mechanical stability compared to surface-mount alternatives. Verify compatibility with existing driver circuits capable of sourcing the necessary base current for saturation.

Single Bipolar Transistors Part Context

The 2C3421 belongs to the family of discrete bipolar transistors manufactured by Microchip Technology. It serves as a fundamental active component for power control and signal amplification. Unlike integrated circuits, this device provides a single functional element designed for direct integration into analog or digital power stages. Its construction focuses on durability and electrical reliability in demanding industrial and commercial applications.

Single Bipolar Transistors Replacement Considerations

Consult official Microchip documentation for qualified substitute part numbers. Ensure any replacement maintains identical pinout configuration and package type. Verify that alternative components meet or exceed the original voltage, current, and power ratings. Confirm thermal performance characteristics align with the system's heat dissipation capabilities.