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SM7307 PDF Datasheet

The SM7307 is Constant Primary Control Power Switch, Non-isolated Buck Constant Current Control. It also consolidates and displays results from multiple manufacturers with the same part number and similar functionality.


Searched parts can be used interchangeably as substitutes for one another, But it's important to note that the parameters for each manufacturer may vary slightly.

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No Part number Description ( Function ) Manufacturers PDF
2 SM7307
Non-Isolated BUCK Constant current control power switch

SM7307 非隔离 BUCK 恒流控制功率开关 QOBGIWV1.2 SM7307 特点  730V 单芯片集成工艺  宽电压 85Vac~265Vac 输入;  恒流精度±3%;  效率高达 90%@220Vac 以上;  内置自恢复输出开短路保护;  非隔离拓扑结构;  低成本 BUCK 驱动方案;  无需补偿元件;  外围器件少,BOM 成本低; 

1 SM7307
Constant primary control power switch

深圳市天好科技有限公司 SHENZHEN DAYBEETTER TECHNOLOGY CO., LTD. SM7307 原边控制恒压功率开关 v1.6 SM7307 特点  效率高达 90%@220Vac 以上;  恒流精度±3%;  输入电压 90Vac~264Vac;  支持最大功率 10W 的应用;  内置自恢复输出开短路保护 功能;  支持非隔离的低成本 BUCK 驱动方案;  �



List of most widely used semiconductors

Part Number Function Manufacturers PDF

The 1N4007 is a rectification diode that is designed for high-voltage applications, typically up to 1000V. It has a maximum current rating of 1A and a forward voltage drop of around 0.7V.

Vishay Semiconductor

This is a popular adjustable voltage regulator.
( 1.2V to 37V)

On Semiconductor
ON Semiconductor

 6N137  |   LM393   |   2N3906    |   2N2222   |   TIP120   |

   1N5818   |   LM324N    |   A1015   |   SMAJ20CA  

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