The MMSZ4689-E3-08 is a Zener diode manufactured by Vishay. It is designed to provide voltage regulation and transient voltage suppression in a variety of electronic circuits. The diode is characterized by its precise breakdown voltage and low dynamic impedance, making it suitable for voltage stabilization and protection against voltage transients.

Applications

• Voltage regulation
• Overvoltage protection
• Transient voltage suppression (TVS)
• Clipping circuits
• Voltage referencing

Features

• Precise Zener voltage
• Low dynamic impedance
• High surge current capability
• Small surface mount package
• RoHS compliant

Benefits

• Provides stable and accurate voltage regulation.
• Protects sensitive electronic components from overvoltage conditions.
• Withstands high surge currents without degradation.
• Easy to integrate into compact electronic designs.
• Environmentally friendly due to RoHS compliance.

Additional Details

The MMSZ4689-E3-08 has a nominal Zener voltage of 3.9V. Its low dynamic impedance ensures a stable output voltage even under varying load conditions. This Zener diode is designed to handle high surge currents, which provides robust protection against transient voltage spikes. It is available in a small surface mount package, like SOD-123, making it suitable for high-density circuit boards and compact electronic devices. The device complies with RoHS standards, which ensures it does not contain hazardous substances.

The precise Zener voltage of 3.9V is crucial for accurate voltage regulation in sensitive electronic equipment. The high surge current handling capability makes this component suitable for protecting circuits from voltage transients caused by inductive switching, ESD, and lightning. Due to its small form factor, it can be easily integrated into various space-constrained applications.