56.0 Volt 50 Watt Zener Diode – High Power Voltage Regulation

Reliable 56V Stud Mount Zener Diode for Industrial Applications

The NTE5278A is a precision 56.0 volt, 50 watt Zener diode designed for robust voltage regulation and transient suppression in demanding circuits. Engineered with a stud mount package for optimal heat dissipation, this diode is ideal for power supply designs, industrial control systems, and high-current voltage reference applications.

Key Technical Specifications

• Nominal Regulating Voltage: 56.0 V
• Power Dissipation: 50 W
• Mounting Style: Stud Mount (DO-5 package)
• Included Quantity: Sold individually (QTY Per Package: 1)

Performance & Usage

This high power Zener diode provides stable voltage regulation in environments where reliability is critical. Its 56V regulating capability makes it suitable for voltage clamping, overvoltage protection, and as a reference element in precision circuitry. The robust stud mount package ensures excellent thermal management, supporting operation in high-current or high-temperature settings commonly encountered by engineers and system integrators.

Applications

• Industrial power supplies
• Surge protection devices
• Voltage reference for control and instrumentation
• Regulated output circuits

Part Number: NTE5278A

This part is the equivalent replacement for the following:

1N3334, 1N3334A, 1N3334B, 4138, 4238, 4338, 4438, 50M56SZ5, BZY93C56R (Minor mechanical difference exists, but device will fit most applications.), BZZ14, CXL5278, ECG5278, ECG5278A, HZ50V56, NTE5278A, SK586, SK586/5278A, TM5278A, WEP3334, Z3334