onsemi MM5Z3V9 Zener Voltage Regulators

Introduction

The onsemi MM5Z3V9 Zener Voltage Regulators are compact and efficient devices designed to provide precise voltage regulation in various electronic applications. With a Zener voltage of 3.9V and a power dissipation capability of 500mW, these regulators are well-suited for high-density circuit boards and portable devices.

Part Description

The MM5Z3V9 Zener Voltage Regulators are semiconductor components that ensure stable voltage levels in electronic circuits. Packaged in a small SOD-523 surface mount format, they are ideal for applications where space is limited. These regulators feature a Zener voltage of 3.9V, a maximum reverse leakage current of 3µA, and a Zener impedance of 90Ω. They are RoHS-compliant and lead-free, making them environmentally friendly choices for modern electronics. The devices can operate in a wide temperature range from -65°C to +150°C, ensuring reliability in various conditions.

Applications

• Cellular phones
• Automotive Electronic Control Units (ECUs)
• High-density PC boards
• Handheld portable devices

Industries

• Consumer Electronics
• Automotive
• Telecommunications
• Industrial Automation

Usage Ideas

1. Smartphone Voltage Regulation: Use the MM5Z3V9 to regulate voltage levels in smartphone charging circuits, ensuring safe and efficient power delivery.
2. Automotive ECU Protection: Implement the Zener diode in automotive electronic control units to protect sensitive components from voltage spikes.
3. Compact Power Supply Design: Design a compact power supply for handheld devices that utilizes the MM5Z3V9 for stable voltage output, enhancing device performance and reliability.

Conclusion

The onsemi MM5Z3V9 Zener Voltage Regulators are versatile components that provide reliable voltage regulation in compact applications. Their small size, high performance, and environmental compliance make them an excellent choice for a wide range of industries, from consumer electronics to automotive systems. Whether you are designing a new device or upgrading an existing one, the MM5Z3V9 offers the precision and reliability needed for modern electronic applications.