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The MMSZ4689T1G is a Zener diode manufactured by ON Semiconductor. Below are its key specifications, descriptions, and features:

Specifications:

• Part Number: MMSZ4689T1G
• Manufacturer: ON Semiconductor
• Type: Zener Diode
• Zener Voltage (Vz): 3.3V
• Power Dissipation (Pd): 500mW
• Tolerance: ±5%
• Maximum Reverse Leakage Current (Ir): 5µA (at 1V)
• Forward Voltage (Vf): 1.5V (at 200mA)
• Operating Temperature Range: -65°C to +150°C
• Package: SOD-123

Descriptions:

• The MMSZ4689T1G is a surface-mount Zener diode designed for voltage regulation and protection in electronic circuits.
• It provides a stable 3.3V reference voltage when operated in the reverse breakdown region.
• Compact SOD-123 package makes it suitable for space-constrained applications.

Features:

• Low Leakage Current: Ensures minimal power loss in standby conditions.
• High Reliability: Robust construction for stable performance.
• Fast Response Time: Effective for transient voltage suppression.
• AEC-Q101 Qualified: Suitable for automotive applications.

This diode is commonly used in voltage regulation, ESD protection, and signal clamping in consumer electronics, automotive systems, and industrial applications.

(Note: Always refer to the official datasheet for detailed electrical characteristics and application guidelines.)