The rectifying current of a selenium sheet depends on the size of the sheet. Typically, for a 23x23mm selenium plate, a rectified current of up to 150 mA is acceptable. When the size increases to 40x40mm, the allowable rectified current can go up to 600 mA. If multiple selenium sheets are used in parallel, the total rectified current can be increased without needing to increase the size of each individual sheet. This makes it more efficient and cost-effective for certain applications. In general, the voltage rating of a single selenium sheet is around 18 volts. One side of the sheet has a glossy surface without a frame, which serves as the positive terminal, while the other side is matte and has a frame, acting as the negative terminal. It's crucial to identify and connect these terminals correctly during installation, as reversing them can lead to malfunction or damage. To enhance the voltage rating of the selenium sheet, you can connect multiple units in series. For example, if two selenium sheets are connected in series, the total voltage rating becomes 36 volts—double that of a single sheet. Similarly, connecting four sheets in series would result in a total voltage of 72 volts. This method allows for higher voltage handling without increasing the current capacity per sheet. Selenium also has some unique properties, such as strong overload capability. In some cases, if the sheet is punctured, it can sometimes self-heal due to its material characteristics. These features have made selenium widely used in various industrial and everyday applications. Its reliability and durability make it a popular choice in power supply systems and rectification circuits. For more information on selenium applications, you can visit the following link: http://
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