The RD4.7FS-T1-AY is a Zener diode manufactured by Renesas Electronics. It is designed to provide a stable reference voltage in electronic circuits. This diode offers a precise breakdown voltage of 4.7V, making it suitable for voltage regulation, overvoltage protection, and clipping applications. Its small size and surface-mount packaging allow for easy integration into compact designs.

Applications

• Voltage Regulation
• Overvoltage Protection
• Voltage Clipping
• Reference Voltage Generation
• Transient Voltage Suppression (TVS)

Features

• Zener Voltage: 4.7V
• Surface Mount Device (SMD): Enables automated assembly.
• Small Package Size: Allows for high-density circuit designs.
• High Surge Current Capability: Provides robust protection against transient voltage spikes.
• Lead-Free: Complies with environmental regulations.

Benefits

• Precise Voltage Regulation: Ensures stable output voltage in regulated circuits.
• Effective Overvoltage Protection: Protects sensitive components from damage caused by voltage surges.
• Signal Clipping: Prevents signals from exceeding a specified voltage level.
• Simplified Circuit Design: Provides a simple and reliable method for voltage regulation and protection.
• Reduced PCB Size: Small package size allows for compact circuit designs.

Additional Details

The RD4.7FS-T1-AY is commonly used in power supplies, signal processing circuits, and communication equipment. It is typically supplied on tape and reel for automated assembly. The diode's performance is characterized by its Zener impedance and reverse leakage current. It is designed to operate over a wide temperature range, ensuring reliable performance in various environmental conditions. The surface mount package allows for efficient heat dissipation.

Typical Specifications:

• Zener Voltage (Vz): 4.7 V
• Zener Test Current (Iz): Specified in datasheet (typically a few mA)
• Zener Impedance (Zz): Typically a few Ohms
• Reverse Leakage Current (Ir): Typically less than 1 μA
• Power Dissipation: Typically 0.2 W
• Operating Temperature Range: -55°C to +150°C
• Package: SOD-323 (typical)