1N4742A Zener Diode | Through-Hole Voltage Regulator & Protection Diode

The 1N4742A Zener Diode is a through-hole semiconductor device designed for voltage regulation, voltage reference, and overvoltage protection in electronic circuits. Operating in reverse-bias mode, it helps maintain a stable Zener voltage, making it suitable for power supplies, regulator circuits, signal conditioning, and general-purpose electronic applications.

The 1N4742A is supplied in a through-hole package, making it easy to use for PCB assembly, prototyping, electronics repair, and educational projects. It is widely used by engineers, students, hobbyists, and technicians in a variety of analog and digital circuit designs.

Specifications

• Product Type: Zener Diode
• Part Number: 1N4742A
• Package Type: Through-Hole
• Mounting Type: Through Hole
• Polarity: Anode and Cathode
• Application: Voltage Regulation, Voltage Reference, Overvoltage Protection
• Component Type: Semiconductor Diode

Applications

• Voltage Regulation Circuits
• Voltage Reference Circuits
• Overvoltage Protection
• Power Supply Design
• PCB Assembly
• DIY Electronics Projects
• Electronics Repair
• Educational and Laboratory Projects