120V 1/2W Zener Diode – High Precision Voltage Regulation (NTE5052A)

Reliable 120V Zener Diode for Consistent Voltage Regulation

The NTE5052A is a 120V 1/2 watt Zener diode designed to provide reliable voltage regulation in precision electronic circuits. Featuring a nominal Zener voltage of 120.0V and a power dissipation rating of 0.5W (500mW), this Zener diode is ideal for applications where high-voltage stabilization and accurate reference voltages are required.

Key Specifications – NTE5052A 120V 1/2W Zener Diode

• Nominal Zener Voltage: 120V
• Power Rating: 1/2 Watt (0.5W, 500mW)
• Package: DO-35
• Quantity Per Package: 1

Applications & Features

Engineered for stability and long-term reliability, the NTE5052A 120V Zener diode is well-suited for voltage reference, surge suppression, and high-voltage protection in instrumentation, control systems, and regulated power supplies. Its compact DO-35 through-hole package simplifies PCB mounting for both prototyping and production.

• Designed for precision voltage regulation and overvoltage protection
• Consistent performance in demanding circuit environments
• Standard DO-35 form factor for easy assembly and integration

Usage Instructions

To utilize the NTE5052A Zener diode for voltage regulation, connect the cathode to the higher potential and the anode to ground. The diode will maintain a stable 120V across itself when reverse-biased, ensuring circuit protection and steady reference voltages with a maximum dissipation of 0.5 watts.

This part is the equivalent replacement for the following:

13-0033187-013, 13-0033187-13, 1/4A120, 1/4A120A, 1/4A120B, 1/4M120Z, 1/4M120Z10, 1/4M120Z5, 1/4Z120D, 1/4Z120D10, 1/4Z120D5, 157-121(MAG-ZENER), 187-13(MAG-ZENER), 187-13(SYL), 1N1945, 1N1954A, 1N1972, 1N1999, 1N1999A, 1N3429, 1N5273, 1N5273A, 1N5273B, 1N5273BE, 1N5889, 1N5889B, 1N6026A, 1N6026B, 1N740, 1N740A, 1N740B, 1N987, 1N987A, 1N987B, 254-13(MAG-ZENER), 254-20(MAG-ZENER), .25N120, .25T120B, .4M120Z, .4M120Z5, 530157-121, 5302541013, 5302541020, 530254-13, 530254-20, .5M120ZS10, .5M120ZS5, BZX55C120, ECG5052, ECG5052A, HM120, HM120A, NTE5052A, SK120A, SK120A/5052A, SK3818, SK3818/5052A, TM5052A, WEP1459