MPSA42, NPN High-Voltage Transistor, TO-92

The MPSA42 is a silicon NPN transistor designed for high-voltage, low-current applications such as switching and amplification in televisions, monitors, and power supplies. It offers robust performance with excellent gain stability, fast response, and high collector-emitter breakdown voltage. The compact TO-92 form makes it ideal for use in board-level designs.

Key Features:

• High Collector-Emitter Voltage: Withstands up to 300 V, suitable for high-voltage applications.
• Moderate Current Handling: Supports up to 500 mA collector current.
• Low Saturation Voltage: V_CE(sat) as low as 0.5V at 20 mA.
• High Frequency Performance: Gain-bandwidth product up to 50 MHz.
• Low Leakage: ICBO and IEBO < 0.1 µA, ensuring clean switching.
• Compact TO-92 Package: Easy through-hole mounting for signal and power circuits.

Additional Specifications:

• Type: NPN
• Max Voltage: 300V
• Max Current: 500Ma