1N4746, 18V 1W Zener Diode, DO-41

The 1N4746 is a high-performance 18V Zener diode designed for voltage regulation, circuit protection, and surge suppression in power supplies and electronic circuits. It features a 1W power dissipation rating, ensuring efficient voltage stabilization across different loads.

With a low reverse leakage current (Ir) of 5µA at 13.7V, this diode minimizes power loss, making it ideal for battery-powered applications. Its Zener impedance (Zz) of 20Ω allows stable voltage regulation under varying conditions.

The DO-41 package provides excellent thermal dissipation and mechanical reliability. Its wide operating temperature range of -65°C to +175°C makes it suitable for use in consumer electronics, industrial control systems, and automotive applications.

• Precision Voltage Regulation: Provides a nominal Zener voltage of 18V, making it ideal for voltage stabilization circuits.
• High Power Dissipation: Rated for 1W power dissipation, ensuring stable operation in moderate power applications.
• Low Reverse Leakage Current: Ensures minimal power loss with a maximum reverse current (Ir) of 5µA at 13.7V.
• Stable Zener Impedance: Features a maximum Zener impedance (Zz) of 20Ω at 14mA, optimizing performance in regulation circuits.
• Compact DO-41 Package: Offers excellent heat dissipation and a glass-passivated structure for enhanced durability.
• Wide Operating Temperature Range: Operates efficiently between -65°C and +175°C, suitable for various environmental conditions.