100V 50W Zener Diode – High Power Stud Mount Voltage Regulator

Reliable 100V 50W Zener Diode for Power Regulation

The NTE5285A is a high-power Zener diode engineered for demanding voltage regulation, clamping, and overvoltage protection applications. With a nominal regulating voltage of 100 volts and a robust 50-watt power rating, this stud mount Zener diode is ideal for industrial power supplies, high-current circuits, and precision regulator designs.

Technical Specifications

• Zener Voltage (Nominal): 100V
• Power Rating: 50W
• Mounting Style: Stud mount (DO-5 package)
• Part Number: NTE5285A
• Quantity per package: 1

Designed for Professional Use

This 100V 50W Zener diode is optimized for stable, high-power voltage regulation and is well-suited for use in power conversion circuits, voltage reference modules, and transient voltage suppression. The stud mount design ensures effective heat dissipation, even at maximum rated power, supporting long-term reliability in continuous-duty systems.

Application Instructions

For optimal thermal management, mount the diode securely to a heat sink using the threaded stud. Ensure proper electrical isolation as required for your installation. This Zener diode is designed for continuous operation in applications where precise voltage regulation and high surge capability are essential.

Key Features

• High voltage regulation at 100V nominal zener voltage
• 50 watt power handling capacity for demanding circuits
• Stud mount (DO-5 package) for superior heat dissipation
• Ideal for power supply clamping, crowbar circuits, and overvoltage protection

This part is the equivalent replacement for the following:

1N3340, 1N3340A, 1N3340B, 4144, 4244, 4344, 4444, 50M100SZ5, 50M105SZ5, 50T100, 50T100A, 50T100B, CXL5285, ECG5285, ECG5285A, HZ50V100, NTE5285A, SK600, SK600/5285A, TM5285A, WEP3340, Z3340