Item Type: Buck Module_x000D_Product Material: PCB_x000D_Product Model: XH-M161-12V_x000D_Input Voltage: 14-40V_x000D_Output Voltage: 12V_x000D_Maximum Output Current: 3A_x000D_Application: Industrial control motherboards, toys, model airplanes, single chip computers, home appliances, communications, car power supply security monitoring, field collection, street lights. 1[BUCK MODULE] The buck module has an input voltage of 14?40V and an output of 12V 3A, which is highly practical. 2[HIGH EFFICIENCY] Buck regulator module adopts synchronous rectification scheme, with large current and high efficiency. 3[HIGH PERFORMANCE] Made of excellent materials, has strong vibration resistance and good electromechanical performance. 4[WIDE VOLTAGE RANGE] Wide input voltage range, can withstand relatively large fluctuations, safe in operation. 5[WIDE APPLICATIONS] Commonly used in industrial control motherboards, toys, furniture, communications and car power supplies, etc.1 x BuckModule1. Inputting a voltage greater than 40V may cause permanent damage to the module. To ensure safety, it is recommended to use the input voltage within 35V._x000D_2. The output current needs to be less than 3A, more than 3A will burn the module._x000D_3. If the output current is greater than 2A (or the output power is greater than 10W) for a long time, please add the heat sink input (IN+) positive and (IN?) negative. Output (OUT+) positive (OUT?) negative._x000D_4. Input Voltage Range: 14V to 40V._x000D_5. The input voltage must be more than 1.5V higher than the output voltage. Since it is a buck module, the input voltage must be higher than the output voltage.