Description

The IN4746A 18V 1W Zener Diode is a high-performance component designed for voltage regulation and overvoltage protection in electronic circuits. With a breakdown voltage of 18V, this Zener diode provides precise voltage clamping, ensuring the protection of sensitive components from excessive voltage spikes. Its 1-watt power rating ensures reliable performance in circuits with moderate power dissipation needs.

Key Specifications:

• Zener Voltage (Vz): 18V
• Power Rating: 1 Watt (1W)
• Package Type: DO-41 (Through-Hole)
• Tolerance: ±5% (standard for Zener diodes)
• Maximum Zener Impedance: 60 Ohms at Vz (typical)
• Operating Temperature Range: -55°C to +150°C

Features:

• Stable Voltage Regulation:
• Provides a stable breakdown voltage of 18V, making it ideal for voltage regulation applications where precise control of voltage is required.
• Power Dissipation:
• Designed with a 1W power rating, the IN4746A can handle moderate power dissipation, ensuring reliable performance without overheating.
• Zener Breakdown:
• Efficiently clamps excessive voltage, protecting sensitive components from damage due to overvoltage or voltage spikes.
• Durable Construction:
• The wide operating temperature range of -55°C to +150°C ensures the IN4746A operates reliably in a variety of environments and harsh conditions.
• Compact Package:
• Packaged in the DO-41 through-hole form factor, the diode is easy to integrate into circuit designs, making it suitable for both prototyping and production environments.

Applications:

• Voltage Regulation:
• Ensures a consistent 18V output, providing precise voltage control for powering sensitive components in voltage regulation circuits.
• Overvoltage Protection:
• Protects circuits and components from overvoltage conditions by clamping excessive voltage, preventing damage and maintaining system integrity.
• Signal Clamping:
• Useful for clamping voltage levels in analog and digital circuits, ensuring stable performance and preventing voltage spikes from affecting the circuit.
• Power Supply Protection:
• Guards power supplies from voltage surges or spikes, maintaining a steady output voltage and protecting downstream components from damage.
• Consumer Electronics:
• Commonly used in consumer devices to provide overvoltage protection and ensure stable operation under fluctuating voltage conditions.

The IN4746A 18V 1W Zener Diode is a reliable and versatile component for applications requiring precise voltage regulation and robust overvoltage protection. With its moderate power handling, stable clamping performance, and durable design, it is a perfect choice for engineers and designers looking for an efficient and dependable voltage protection solution in a wide range of electronic applications.