onsemi Zener Diode 4.3 V Voltage Regulator 500 mW Surface Mount 2-Pin SOD-123 MMSZ4V3T1G

onsemi MMSZ4V3T1G Zener Diode is a high-quality voltage regulator component designed for surface mounting on printed circuit boards. It features a nominal zener voltage of 4.3 V and a maximum power dissipation rating of 500 mW, making it ideal for protecting sensitive electronic equipment in industrial, commercial, and consumer electronics applications.

The device is housed in a small SOD-123 package featuring 2 pins, ensuring ease of assembly and optimized space usage in compact electronic designs. Its single-element configuration and 5% voltage tolerance provide precise voltage regulation performance.

This Zener diode operates efficiently over a wide temperature range from -55°C to 150°C, enabling its use in a variety of environmental conditions. Its low leakage current of 3 µA minimises energy loss during operation. The maximum zener impedance of 90 Ω ensures stable voltage output even under variable current loads, while the specified test current of 5 mA verifies operational reliability.

onsemi MMSZ4V3T1G is RoHS compliant, supporting environmentally responsible manufacturing processes. It lacks specific automotive certifications, making it suitable primarily for general electronic and industrial applications.

This diode operates efficiently as a voltage regulator across various electronic circuits. Maximum power dissipation of 500 mW ensures reliable protection in low power applications. Features a nominal zener voltage of 4.3 V with a tolerance of ±5% for precision voltage regulation.

Compact SOD-123 surface mount package allows for space-saving PCB designs. Maximum operating temperature of 150°C supports use in thermally demanding environments. Low maximum reverse leakage current of 3 µA reduces power losses.

Test current set at 5 mA to guarantee stability and performance consistency. Maximum zener impedance of 90 Ω aids in maintaining voltage stability under varying loads. Suitable for diverse industrial, electronic, and semiconductor applications requiring voltage regulation.

Ideal for integration in electronic circuits requiring accurate voltage stabilization, this diode supports applications ranging from telecommunication devices, automotive electronics (non-certified), power supplies, and other semiconductor-based equipment. Its small form factor and robust specifications make it a dependable choice for designing efficient and compact electronics.

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