Taiwan Semiconductor Zener Diode 12 V 1 W 5% Tolerance Through Hole 2-Pin DO-41 1N4742A

Taiwan Semiconductor 1N4742A Zener Diode is a precision voltage regulator diode rated at 12 volts with 1 watt maximum power dissipation, designed for through hole PCB mounting on electronic circuits.

This diode is constructed in a DO-41 package type featuring 2 pins and a single diode configuration. It has a nominal Zener voltage of 12 V with a tolerance of ±5%, making it suitable for maintaining voltage stability in various power management applications.

The diode supports a test current of 21 mA and exhibits a low maximum reverse leakage current of 5 microamperes, ensuring minimal leakage in reverse bias conditions. Its maximum Zener impedance is 9 ohms, contributing to efficient voltage regulation performance.

With a robust operating temperature range from -65°C up to 200°C, this component is reliable in harsh industrial, electronic equipment, automotive, and power supply environments. The compact size, with a length of 5.2 mm and a height of 2.7 mm, facilitates easy integration in dense PCB layouts.

This Zener Diode is ideal for electronic circuit design requiring voltage regulation, protection against voltage spikes, or stabilization of power supply lines in industrial electronics, instrumentation, and control systems.

Provides precise voltage regulation with a nominal voltage of 12 volts. Robust construction within DO-41 package for through hole mounting. Rated for 1 watt maximum power dissipation ensuring thermal stability. Low reverse leakage current and optimal Zener impedance contribute to efficient voltage control.

Wide temperature tolerance suitable for diverse operating conditions including automotive and industrial applications. Compact footprint allows use in high-density PCB assemblies. Explore our catalog for a wide range of semiconductor components and voltage regulators available at EnvMart.