The MMBZ5228B T/R is a surface-mount Zener diode manufactured by Panjit. It is designed to provide voltage regulation in a wide range of electronic applications. This diode is known for its stable breakdown voltage, low reverse leakage current, and small package size, making it suitable for space-constrained applications.

Applications

• Voltage Regulation: Used to maintain a constant voltage in power supplies and other voltage-sensitive circuits.
• Transient Voltage Suppression: Employed to protect sensitive components from voltage spikes and surges.
• Overvoltage Protection: Utilized to prevent damage to circuits from overvoltage conditions.
• Clipping Circuits: Incorporated into clipping circuits to limit the voltage to a specific level.
• Level Shifting: Used in level shifting circuits to convert voltage levels between different logic families.

Features

• Stable Breakdown Voltage: Provides a stable and predictable breakdown voltage, ensuring reliable voltage regulation.
• Low Reverse Leakage Current: Minimizes current leakage when the diode is in the reverse bias condition, improving efficiency.
• Small Package Size: Available in a small surface-mount package, making it suitable for space-constrained applications.
• High Surge Current Capability: Can withstand high surge currents, providing protection against transient voltage events.
• RoHS Compliant: Complies with RoHS regulations, ensuring environmental friendliness.

Benefits

• Precise Voltage Regulation: Stable breakdown voltage ensures precise voltage regulation, improving circuit performance.
• Effective Overvoltage Protection: Protects sensitive components from damage due to overvoltage conditions and transient voltage spikes.
• Compact Design: Small package size allows for compact circuit designs, saving valuable board space.
• Improved Reliability: Robust construction and high surge current capability ensure reliable operation in demanding environments.
• Environmental Compliance: RoHS compliance ensures environmental friendliness, meeting regulatory requirements.

Additional Details: The MMBZ5228B T/R is typically used in reverse bias mode, where it conducts when the voltage exceeds its breakdown voltage. The breakdown voltage is determined by the doping concentration and physical dimensions of the diode. The device is available in a tape and reel package for automated assembly. Its characteristics make it a suitable choice for a variety of voltage regulation and protection applications.