S-100-5V开关电源是一款高效、可靠的电源设备，广泛应用于各种电子设备中。其输出功率为100W，输出电压为5V，额定输出电流为20A。该电源具有高效率、高可靠性和低成本的特点，能够满足不同设备的供电需求。其输入电压范围广泛，可在85～132VAC/180～264VAC 47～63Hz的条件下工作。此外，该电源还具备短路和过载保护功能，确保使用过程中的安全性。其工作温度范围为-10℃～+60℃，能够适应多种环境条件。目前，该产品的价格因生产厂家和采购量不同而有所差异，一般在几十元到上百元之间。其中，温州东月电子科技有限公司是该产品的知名生产厂家之一，其产品在市场上具有较高的性价比和良好的口碑。

The S-100-5V switching power supply is a highly efficient and reliable power device widely used in various electronic devices. It has an output power of 100W, an output voltage of 5V, and a rated output current of 20A. This power supply is characterized by high efficiency, high reliability, and low cost, which can meet the power supply needs of different devices. It has a wide input voltage range and can operate under the conditions of 85～132VAC/180～264VAC 47～63Hz. In addition, the power supply is equipped with short-circuit and overload protection functions to ensure the safety of the usage process. Its working temperature range is -10℃～+60℃, which can adapt to a variety of environmental conditions. At present, the price of this product varies due to different manufacturers and purchase volumes, generally ranging from tens to hundreds of yuan. Among them, Wenzhou Dongyue Electronic Technology Co., Ltd. is one of the well-known manufacturers of this product, and its products have high cost performance and good market reputation.