5.1V 50W Stud Mount Zener Diode Reverse Polarity

High Power 5.1 Volt Zener Diode for Voltage Regulation

The NTE5243AK is a robust, high-power zener diode engineered for voltage regulation applications requiring durability and stable operation. Featuring a nominal regulating voltage of 5.1 volts and a substantial 50 watt power dissipation rating, this stud mount diode is ideal for demanding circuit environments such as power supplies, industrial controls, and instrumentation.

Technical Specifications

• Zener (Nominal Regulating) Voltage: 5.1V
• Power Dissipation: 50 Watts
• Configuration: Stud Mount (DO-5 package)
• Polarity: Reverse Polarity
• Quantity Per Package: 1

Reliable Voltage Regulation for Demanding Applications

Designed with engineers and system integrators in mind, this 5.1V 50W zener diode delivers consistent, high-performance voltage clamping and overvoltage protection in both AC and DC circuits. Its stud mount form factor ensures secure mechanical mounting and efficient thermal management, critical for reliable operation at sustained power levels.

Commonly used in power regulation, surge suppression, and reference voltage applications, this diode is suitable for environments requiring high stability and long service life.

Application Guidance

To ensure optimal performance, secure the stud mount with proper thermal interface materials to a heatsink or conductive chassis. Observe maximum rated power and provide adequate airflow or cooling. Reverse polarity orientation must be observed for correct zener function.

NTE5243AK is supplied in quantities of one per package.

This part is the equivalent replacement for the following:

1N4552R, 1N4552RA, 1N4552RB, ECG5243AK, ECG5243K, HZ50V5.1R, NTE5243AK, SK517, SK517/5243AK, TM5243AK