The BZX84C39CA is a surface-mount Zener diode manufactured by SEMTECH ELECTRONICS LTD. As an end-of-life product, confirm sourcing and research alternatives. It is designed to provide voltage regulation and transient voltage suppression in a compact SOT-23 package. The device offers bi-directional symmetrical clamping characteristics around a nominal voltage, making it suitable for applications requiring protection against both positive and negative voltage transients.

Applications

• Voltage regulation
• Transient voltage suppression
• Overvoltage protection
• ESD protection
• Signal line protection

Features

• Zener voltage of approximately 39V (bi-directional)
• Surface-mount SOT-23 package
• Low leakage current
• Fast response time
• Lead-free termination

Benefits

• Bi-directional Protection: Provides symmetrical clamping characteristics for protection against both positive and negative transients.
• Compact Size: The SOT-23 package minimizes board space requirements.
• Fast Response Time: Quickly clamps voltage transients to protect sensitive circuitry.
• Low Leakage Current: Minimizes power consumption in standby mode.
• Effective Overvoltage Protection: Protects components from damage due to voltage spikes.

Additional Details

The BZX84C39CA is frequently used for protecting signal lines from ESD and other voltage transients. The CA suffix indicates the bi-directional clamping characteristic. Refer to the datasheet for detailed electrical characteristics, including clamping voltage, reverse leakage current, and peak pulse current. Due to its end-of-life status, it's recommended to check availability and explore potential alternative components for new designs.