The 1SMAF4749A is a surface-mount Zener diode manufactured by Chendahang Electronics. It's designed to provide voltage regulation and circuit protection in a variety of electronic applications. Zener diodes are used to maintain a nearly constant voltage, making them suitable for voltage regulation, voltage reference, and surge suppression.

Applications

• Voltage Regulation
• Voltage Reference
• Surge Suppression
• Overvoltage Protection
• Clipping Circuits

Features

• Surface Mount Package (SMA/DO-214AC)
• Zener Voltage: 24V
• Low Leakage Current: Reduces power consumption and enhances efficiency.
• Fast Response Time: Quickly responds to voltage transients.
• High Surge Capability: Capable of withstanding transient voltage spikes.

Benefits

• Stable Voltage Regulation: Provides a constant voltage output, crucial for stable circuit operation.
• Effective Circuit Protection: Protects sensitive components from overvoltage conditions.
• Compact Design: Surface mount package enables efficient use of PCB space.
• Reliable Performance: Ensures stable and consistent performance in electronic circuits.
• Versatile Application: Can be used in diverse applications requiring voltage stabilization and protection.

Technical Specifications

The 1SMAF4749A features a Zener voltage (Vz) of 24V with a tolerance of ±5%. The reverse leakage current (Ir) is typically very low at a specified voltage. The power dissipation (Pd) is approximately 1W. The diode is housed in a standard SMA/DO-214AC surface mount package. The operating temperature range is generally between -55°C to +150°C.

The 1SMAF4749A Zener diode is commonly used in power supplies, telecommunications equipment, and various industrial applications for voltage regulation and overvoltage protection. Its SMA package allows for efficient thermal dissipation and easy PCB integration.