87.0 Volt 10 Watt Reverse Polarity Zener Diode

High Power 87V Zener Diode in DO-4 Package

This 87.0 Volt, 10 Watt reverse polarity Zener diode is designed for precision voltage regulation in high demand environments. The nominal regulating voltage is 87 volts, with a robust 10-watt power rating for stable performance under continuous load. The stud mount DO-4 package ensures excellent thermal management and secure mounting in power supplies and industrial equipment.

Technical Specifications

• Part Number: NTE5218AK
• Nominal Regulating Voltage: 87.0V
• Power Dissipation: 10W
• Polarity: Reverse
• Package: DO-4 stud mount
• Quantity per Package: 1

Applications and Usage

This high wattage Zener diode is ideal for use in voltage regulation, surge protection, and power supply stabilization. Its reverse polarity construction makes it suitable for circuits requiring negative-side regulation. The stud mount design supports efficient heat dissipation and reliable installation in both industrial and laboratory settings.

How to Use

• Mount the DO-4 stud securely to a heat sink for optimal thermal performance.
• Ensure the diode is installed with correct polarity according to your circuit design (reverse orientation).
• Use for voltage regulation at the nominal 87V in high power applications where stability and reliability are critical.

This part is the equivalent replacement for the following:

ECG5218AK, ECG5218K, NTE5218AK, SK203, SK203/5218AK, TM5218AK