120V 50W Zener Diode – DO-5 Stud Mount

High Power Zener Diode for Precision Voltage Regulation

The NTE5288A is a high-reliability 120V 50W zener diode designed for demanding electronic circuits requiring stable voltage regulation at high power levels. Engineered in the robust DO-5 stud mount package, this zener diode is ideally suited for chassis-mount or panel-mount applications, providing effective thermal management and long-term durability in high-current environments.

Technical Specifications – NTE5288A Zener Diode

• Nominal Zener Voltage: 120.0 V
• Power Dissipation: 50 Watts
• Package Type: DO-5 stud mount
• Polarity: Cathode to stud
• Quantity per Package: 1

Applications & Features

• Engineered for precision voltage regulation in power supplies, protection circuits, and industrial electronics.
• Ideal for high-power voltage clamping, surge suppression, and waveform shaping circuits.
• Stud mount design enables secure attachment to heat sinks or chassis for enhanced thermal performance.
• Suited for designs requiring high-power zener diodes with stable nominal regulating voltage under demanding conditions.

Usage Instructions

Mount the DO-5 stud securely to a suitable heat sink or conductive surface to optimize heat dissipation. Observe proper polarity – the stud is connected to the cathode. Ensure that the maximum continuous power dissipation does not exceed 50W by providing adequate thermal management.

Note: Item reference: NTE5288A.

This part is the equivalent replacement for the following:

1N3343, 1N3343A, 1N3343B, 4146, 4246, 4346, 4446, 50M120SZ5, 50T120, 50T120A, 50T120B, ECG5288, ECG5288A, HZ50V120, NTE5288A, SK606, SK606/5288A, TM5288A