以下是一份关于D-50A开关电源的产品中英文介绍：

D-50A开关电源是一款性能卓越、应用广泛的电源设备。它采用先进的脉冲宽度调制（PWM）技术，能够实现高效的能量转换。该电源具有多路输出功能，可同时提供5V/6A和12V/2A的输出，满足不同设备的供电需求。其输入电压范围广泛，由开关选择85～132VAC/170～264VAC，适应多种电网环境，增强了使用的灵活性。

在性能方面，D-50A开关电源表现出色。其输出纹波噪音低，分别为50mVP-P和100mVP-P，确保了输出电压的稳定性，为设备提供纯净的电源。电压调整率和负载调整率均控制在合理范围内，分别为CH1,+10,-5%和±0.5%，进一步保障了电源的可靠性。此外，该电源的工作效率高达73%，在提供稳定电力的同时，还能有效降低能耗。

D-50A开关电源的外形尺寸为159×97×38mm，设计紧凑，便于安装和集成到各种设备中。其重量轻，仅为0.52公斤，不会给设备带来额外的负担。在价格方面，D-50A开关电源具有较高的性价比，市场售价在55元左右，适合大规模采购和应用。

The D-50A switch-mode power supply is a highly efficient and versatile power device. It utilizes advanced Pulse Width Modulation (PWM) technology to achieve efficient energy conversion. This power supply features multiple output channels, capable of providing 5V/6A and 12V/2A outputs simultaneously, meeting the power requirements of various devices. The input voltage range is extensive, selectable between 85～132VAC and 170～264VAC, making it adaptable to a wide range of power grid environments and enhancing its flexibility in use.

In terms of performance, the D-50A switch-mode power supply excels. It has low output ripple and noise, at 50mVP-P and 100mVP-P, ensuring stable output voltage and providing pure power to devices. The voltage regulation rate and load regulation rate are both kept within reasonable limits, at CH1,+10,-5% and ±0.5% respectively, further ensuring the reliability of the power supply. Additionally, the power supply has a high efficiency of 73%, effectively reducing energy consumption while providing stable power.

The D-50A switch-mode power supply has a compact design with dimensions of 159×97×38mm, making it easy to install and integrate into various devices. It is lightweight, weighing only 0.52 kilograms, and will not add extra burden to the devices. In terms of price, the D-50A switch-mode power supply offers high cost-effectiveness, with a market price of around 55 yuan, making it suitable for large-scale procurement and application.