Introduction:

Zener diodes are essential components in electronic circuits, particularly for voltage regulation and overvoltage protection. Among the various types available, the MM3Z20 stands out for its specific characteristics and applications. In this article, we'll delve into the specifications, applications, and performance analysis of the MM3Z20 Zener diode.

Slkor Voltage Regulator Diode MM3Z20 product photo

Overview of MM3Z20:
The MM3Z20 is a Zener diode designed for voltage regulation and voltage reference applications. Its key specifications include:

Slkor Voltage Regulator Diode MM3Z20 specification

VZTyp (Typical Zener Voltage): 20V

VZ (Zener Voltage Range): 18.8V to 21.2V

PD (Power Dissipation): 300mW

Ir (Reverse Current): 100nA at 15V

Zzt (Zener Impedance): 50Ω

These specifications provide crucial information about the diode's operating parameters, allowing engineers to design circuits with precise voltage regulation and protection capabilities.

Applications:
The MM3Z20 Zener diode finds applications in various electronic circuits, including but not limited to:

Voltage Regulation: One of the primary applications of Zener diodes is voltage regulation. The MM3Z20, with its stable Zener voltage of 20V, can be used to regulate voltage levels in circuits such as power supplies, ensuring a constant output voltage even with fluctuations in input voltage or load conditions.

Voltage Reference: Zener diodes are often employed as voltage references in electronic circuits, providing a stable and precise reference voltage for analog and digital systems. The MM3Z20's tight tolerance in the Zener voltage range makes it suitable for applications requiring accurate voltage references.

Overvoltage Protection: Zener diodes are commonly used for overvoltage protection, safeguarding sensitive electronic components from excessive voltage spikes or transients. The MM3Z20, with its low reverse current and high power dissipation capability, can effectively clamp voltage surges to protect downstream circuitry.

Parameters of Slkor Voltage Regulator Diode MM3Z20

Performance Analysis:

The performance of the MM3Z20 Zener diode can be analyzed based on its key specifications:

Zener Voltage (VZ): The typical Zener voltage of 20V with a tight tolerance range of 18.8V to 21.2V ensures stable and accurate voltage regulation or reference.

Power Dissipation (PD): With a power dissipation rating of 300mW, the MM3Z20 can handle moderate power levels without experiencing thermal runaway or damage.

Reverse Current (Ir): The low reverse current of 100nA at 15V ensures minimal leakage current, contributing to the efficiency and reliability of the circuit.

Zener Impedance (Zzt): The Zener impedance of 50Ω indicates how the Zener voltage varies with changes in the applied current. A lower Zener impedance results in better voltage regulation performance.

Conclusion:

The MM3Z20 Zener diode offers precise voltage regulation, stable voltage references, and effective overvoltage protection in electronic circuits. Its specifications, including Zener voltage, power dissipation, reverse current, and Zener impedance, make it suitable for a wide range of applications where accurate voltage control and protection are paramount. Engineers can leverage the MM3Z20 to design robust and reliable electronic systems across various industries.

What is the advantages of Slkor products？

Slkor’s products are diverse and comprehensive, presented in a series. Slkor has accumulated strength and developed rapidly, with short R&D cycles and continuous iteration of products, constantly launching new products. Slkor has a clear development strategy, reasonable technical layout and cost control, and the company’s overall competitiveness is gradually improving. In the Internet era, Slkor has cracked the code of Internet development, and its ability to respond quickly and serve customers is another advantage.

About Slkor：

Slkor has research and development offices in Busan, South Korea, Beijing, China, and Suzhou, China. Most of the wafer manufacturing and packaging and testing are carried out within China. The company employs and collaborates with individuals and organizations worldwide, with a laboratory for product performance and reliability testing and a central warehouse located at its headquarters in Shenzhen. Slkor has filed for over a hundred invention patents, offers more than 2,000 product models, and serves over ten thousand customers globally. Its products are exported to countries and regions including Europe, the Americas, Southeast Asia, and the Middle East, making it one of the rapidly growing semiconductor companies in recent years. With well-established management systems and streamlined workflows, Slkor has rapidly enhanced the brand awareness and reputation of its "SLKOR" brand through its outstanding quality and standardized services. Its product range includes three major series: diodes, transistors, and power devices, with recent introductions of new products such as Hall elements and analog devices, expanding its presence in sensors, Risc-v microcontrollers, and other product categories.

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