19V 50W Zener Diode – Stud Mount High-Power Voltage Regulator

Overview

This 19V 50W Zener diode is engineered for high-power voltage regulation and transient suppression in demanding electronic applications. Designed with a stud mount DO-5 (DO-203AB) package, it is ideal for circuits requiring stable, reliable performance under continuous operation.

Technical Features

• Nominal Regulating Voltage: 19.0V
• Power Rating: 50 Watts
• Mounting Style: Stud Mount (DO-5, DO-203AB)
• Polarity: Cathode to stud
• Quantity per Package: 1
• Former NTE Part Number: NTE5261A

Applications

• High-current voltage regulation
• Overvoltage protection for industrial power supplies
• Clamping and surge suppression circuits
• Laboratory and test equipment with precision voltage requirements

Installation Tips

For optimal performance and heat dissipation, always mount the diode securely with proper torque and use thermal compound if necessary. Ensure correct cathode-to-stud orientation for reliable circuit integration.

This part is the equivalent replacement for the following:

1N3318, 1N3318A, 1N3318B, 50M19SZ5, CXL5261, ECG5261, ECG5261A, HZ50V19, NTE5261A, SK552, SK552/5261A, TM5261A