In the vast expanse of the electronic world, voltage regulator diodes stand out for their unique performance and wide-ranging applications, making them invaluable tools for many electronic engineers. Today, we will delve into the highly regarded ZM4741A voltage regulator diode, showcasing its superb craftsmanship and remarkable performance.

1. Precise Voltage Regulation

The core function of a voltage regulator diode is to stabilize output voltage within a specific range. The ZM4741A offers a nominal regulation value of 11V, ensuring a steady and reliable voltage output even in complex circuit environments. With its regulation range finely controlled between 10.45V and 11.55V, the ZM4741A excels in various precision electronic devices.

Slkor Voltage Regulator Diode ZM4741A product photo 

2. Perfect Balance of Power and Efficiency

Power is a crucial indicator of a voltage regulator diode’s performance. The ZM4741A demonstrates a perfect balance between high efficiency and low power consumption with its 1W power rating. This characteristic ensures stable performance over extended periods while effectively reducing energy consumption, meeting the modern electronic devices' demand for energy efficiency and environmental friendliness.

Slkor Voltage Regulator Diode ZM4741A specification 

3. Fine Control of Reverse Current

Reverse current (Ir) is the current flowing through the diode in its reverse-biased state. Effective control of reverse current is vital for most voltage regulator diodes. The ZM4741A excels in this area, with a reverse current of only 5µA. This minimal current value not only ensures stability during reverse operation but also significantly reduces the risk of failures due to excessive reverse current.

Parameters of Slkor Voltage Regulator Diode ZM4741A 

4. Wide Range of Applications

Thanks to its outstanding voltage regulation performance, efficient power characteristics, and precise reverse current control, the ZM4741A exhibits extensive application potential across multiple fields. Whether in power management, circuit protection, or precision measurement and control systems, it meets demanding requirements with exceptional performance.

5. Protection in Solar Panels

In solar applications, solar panels are key components responsible for converting light into electrical energy. However, issues like insufficient light and load changes can lead to overvoltage problems. If not properly managed, these issues can cause irreversible damage to the circuit. Fortunately, voltage regulator diodes are crucial protection elements that effectively prevent such overvoltage damage.

The working principle of a voltage regulator diode involves utilizing its reverse breakdown characteristics to set a stable voltage value in the circuit. When the voltage from the solar panel exceeds this set value, the diode conducts rapidly, dissipating the excess voltage to maintain a safe voltage level in the circuit.

In solar panel circuits, the application of voltage regulator diodes is critical. They are typically connected in parallel at the solar panel’s output, monitoring and controlling the output voltage in real-time. In cases of insufficient light, while the panel's output voltage might drop, the diode ensures the circuit voltage remains stable, preventing equipment failure due to low voltage. When the load varies, such as sudden increases or decreases, the panel's output voltage fluctuates accordingly. The diode responds swiftly by adjusting its conduction state to stabilize the output voltage and avoid overvoltage damage to the circuit.

Beyond these fundamental applications, voltage regulator diodes offer additional protection in solar panel circuits. For instance, during extreme conditions like lightning strikes or electrostatic discharges, the diode can quickly dissipate high currents, shielding the circuit from transient high-voltage surges. It also absorbs surge voltages and noise interference, enhancing the overall system stability and reliability.

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.