20V 50W Zener Diode DO-5, Reverse Polarity

High Power 20 Volt Zener Diode for Voltage Regulation

The NTE5262AK is a high power Zener diode designed for demanding voltage regulation applications. Featuring a nominal Zener voltage of 20.0 volts and a power dissipation rating of 50 watts, this Zener diode is ideal for use in power supply circuits, surge suppression, and other industrial or professional electronic systems requiring robust voltage stabilization.

DO-5 Stud Mount Package and Reverse Polarity Configuration

Housed in a durable DO-5 stud mount package, the NTE5262AK delivers reliable thermal performance and allows for secure mechanical mounting to a heatsink or chassis. This stud mount design ensures optimal heat dissipation, making it well suited for continuous high-power operation. The device features reverse polarity (cathode to stud), which is essential to note when integrating into circuit designs.

Technical Specifications NTE5262AK

• Nominal Zener Voltage: 20.0V
• Power Dissipation: 50W
• Package Type: DO-5 Stud Mount
• Polarity: Reverse (Cathode to stud)
• Quantity per package: 1

Applications and Use Cases

This 20 volt 50 watt Zener diode is engineered for high-reliability voltage regulation in power supplies, precision voltage reference circuits, and industrial surge protection systems. Its high power handling and thermal management capabilities make it a proven choice for engineers and professionals building rugged, mission-critical electronic assemblies.

Why Choose a 20V 50W Zener Diode?

Selecting a high power Zener diode such as the NTE5262AK ensures consistent voltage regulation under heavy load and transient conditions. The robust construction, stud mount form factor, and reliable electrical characteristics make this component suitable for applications where performance and uptime are essential.

Equivalent replacements may be available. Please consult the equivalents list for compatible options.

This part is the equivalent replacement for the following:

1N3319R, 1N3319RA, 1N3319RB, 50T20R, 50T20RA, 50T20RB, BZY93C20 (Minor mechanical difference exists, but device will fit most applications.), ECG5262AK, ECG5262K, HZ50V20R, NTE5262AK, SK555, SK555/5262AK, TM5262AK