19V 50W Reverse Polarity Zener Diode – Stud Mount, DO-5

High-Power 19V Zener Diode for Voltage Regulation

This 19V 50W Zener diode is engineered for precise voltage regulation and overvoltage protection in demanding electronic applications. Designed with a robust stud mount DO-5 package, it offers reliable performance and efficient heat dissipation for high-power circuits.

Key Features

• Nominal Regulating Voltage: 19.0 Volts
• Maximum Power Dissipation: 50 Watts
• Polarity: Reverse (anode to case)
• Mounting: Stud mount (DO-5 package)
• Supplied Quantity: 1 per package
• Part Number: NTE5261AK

Applications

Ideal for power supply regulation, surge suppression, and industrial control system protection, this high-power Zener diode ensures stable operation across a wide range of electronic applications where dependable voltage reference and transient protection are required.

Installation Instructions

• Ensure proper polarity; this Zener diode is reverse polarity with the anode connected to the stud (case).
• Mount securely to a heat sink for optimum thermal management and reliability in high-power circuits.
• Refer to standard DO-5 package handling and tightening procedures for electrical connectivity and mechanical safety.

This part is the equivalent replacement for the following:

1N3318R, 1N3318RA, 1N3318RB, ECG5261K, HZ50V19R, NTE5261AK, SK553, SK553/5261AK, TM5261AK