The BZX84B56 is a Zener diode manufactured by SEMTECH ELECTRONICS LTD. It is designed to maintain a constant voltage across its terminals when the voltage applied exceeds its Zener voltage. This makes it suitable for voltage regulation, overvoltage protection, and voltage reference applications.

Applications

• Voltage regulation
• Overvoltage protection
• Voltage clamping
• Voltage reference circuits
• Transient voltage suppression

Features

• Zener voltage of 56V
• Low reverse leakage current
• Fast response time
• Small surface mount package (SOT-23 or similar)
• High surge current capability

Benefits

• Precise voltage regulation
• Protection of sensitive circuits from overvoltage conditions
• Stable voltage reference
• Compact design for space-constrained applications
• Improved system reliability

The BZX84B56 is typically packaged in a SOT-23 or similar small surface mount package, making it suitable for high-density PCB designs. The 56V Zener voltage is its key characteristic, defining the voltage at which the diode begins to conduct in the reverse direction. It's crucial to consider the power dissipation rating of the diode to ensure it operates within safe limits, preventing damage due to overheating. The low reverse leakage current ensures minimal current flow when the applied voltage is below the Zener voltage, improving the overall efficiency of the circuit. This diode provides robust and reliable voltage protection in various electronic circuits.