The MPSA42AT is a high-voltage NPN transistor manufactured by KEC. It is designed for use in high-voltage switching and amplifier applications. The transistor comes in a TO-92 package, making it suitable for through-hole mounting on PCBs.

Applications

• High-voltage switching circuits
• Linear amplifiers
• High-voltage inverters
• CRT displays
• Telecom applications

Features

• High Collector-Emitter Voltage (VCEO): Typically rated at 300V.
• High Current Gain (hFE): Ensures effective signal amplification.
• Low Collector Cutoff Current (ICBO): Minimizes leakage current.
• TO-92 Package: Allows for easy through-hole mounting.
• NPN Transistor: Common NPN configuration for circuit design flexibility.

Benefits

• Reliable High-Voltage Performance: Designed to operate reliably in high-voltage environments.
• Efficient Amplification: Provides high current gain for efficient signal amplification.
• Reduced Leakage: Low leakage current contributes to improved circuit efficiency.
• Easy to Use: TO-92 package simplifies mounting and integration into circuits.
• Versatile Applications: Suitable for a broad range of high-voltage applications.

Specifications

The MPSA42AT typically features a VCEO of 300V, a collector current (IC) of 500mA, and a power dissipation of 625mW. The DC current gain (hFE) is usually in the range of 40-80 at a collector current of 1mA. The operating and storage junction temperature ranges from -65°C to +150°C. For specific and detailed electrical characteristics, refer to the official datasheet from KEC.