2STX2220

Single Bipolar Transistors Overview

The STMicroelectronics 2STX2220 is a high-gain low voltage PNP power transistor manufactured using PB-HDC technology. It features a very low collector-emitter saturation voltage and a DC current gain exceeding 100. The device supports a continuous collector current of 1.5 A and a peak collector current of 3 A. Absolute maximum ratings include a collector-base voltage of -20 V, a collector-emitter voltage of -20 V, and an emitter-base voltage of -5 V. Total dissipation is rated at 0.9 W at 25°C ambient temperature.

Single Bipolar Transistors Feature Summary

• Utilizes Power Bipolar High Density Current (PB-HDC) technology for exceptional performance
• Provides very low collector to emitter saturation voltage
• Delivers high DC current gain characteristics
• Designed for surface mounting in TO-92 packages

Single Bipolar Transistors Applications

• Power management in portable equipment
• Switching regulator applications in battery chargers

Single Bipolar Transistors Procurement Notes

Verify the specific package type and marking code against the official datasheet before procurement. Confirm that the ordering suffix matches the required bulk packing format. Ensure compliance with RoHS directives if environmental standards are mandatory for the target assembly process. Check thermal resistance values for adequate heat dissipation planning.

Single Bipolar Transistors Selection Notes

Select this component when low saturation voltage and high current gain are critical for efficiency. Consider the -20 V voltage rating for low-voltage switching environments. Evaluate the TO-92 package constraints regarding thermal dissipation and board space. Compare switching times against load requirements to ensure adequate response speed.

Single Bipolar Transistors Part Context

This part belongs to STMicroelectronics' lineup of low voltage PNP power transistors. It shares the PB-HDC manufacturing technology found in similar series devices like the 2STR2230 and 2STN2540. These components are designed for general-purpose linear and switching applications requiring high gain and low saturation characteristics.

Single Bipolar Transistors Replacement Considerations

Direct substitutes within the same family include the 2STR2230 and 2STN2540. Verify pinout compatibility and thermal resistance specifications when considering alternative packages or manufacturers.