以下是一份關于D-50A開關電源的產品中英文介紹：

D-50A開關電源是一款性能卓越、應用廣泛的電源設備。它采用先進的脈沖寬度調制（PWM）技術，能夠實現高效的能量轉換。該電源具有多路輸出功能，可同時提供5V/6A和12V/2A的輸出，滿足不同設備的供電需求。其輸入電壓范圍廣泛，由開關選擇85～132VAC/170～264VAC，適應多種電網環(huán)境，增強了使用的靈活性。

在性能方面，D-50A開關電源表現出色。其輸出紋波噪音低，分別為50mVP-P和100mVP-P，確保了輸出電壓的穩(wěn)定性，為設備提供純凈的電源。電壓調整率和負載調整率均控制在合理范圍內，分別為CH1,+10,-5%和±0.5%，進一步保障了電源的可靠性。此外，該電源的工作效率高達73%，在提供穩(wěn)定電力的同時，還能有效降低能耗。

D-50A開關電源的外形尺寸為159×97×38mm，設計緊湊，便于安裝和集成到各種設備中。其重量輕，僅為0.52公斤，不會給設備帶來額外的負擔。在價格方面，D-50A開關電源具有較高的性價比，市場售價在55元左右，適合大規(guī)模采購和應用。

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.