Introduction: Module Properties: non-isolated buck module (BUCK) synchronous rectification; Input voltage: DC 6-24V; Output voltage: 5.1-5.2V; Output current: 3A MAX; Conversion efficiency: can up to 97.5% (6.5V step down to 5V 0.7A) (after short reverse protection and fuses test value); Switch frequency: 500KHz; Output ripple: 10mV around (12V to 5V3A) 20M bandwidth; Output indicator: Output voltage indicator is red; Operating temperature: Industrial grade (-40 Celsuis to + 85 Celsuis) (the higher the ambient temperature, the lower the output power); Output overvoltage protection: Yes, input 1.5A fuse, output 5V have 300W TVS tube clamp protection. Full load temperature: 30 Celsuis; Static current: 0.85 mA;Load regulation: 1%; Voltage Regulation: 0.5%; Dynamic response speed: 5% 200uS; Output short circuit protection: Yes, but please do not short circuit for a long time; Input reverse polarity protection: Yes, there is reverse polarity protection diode; Connection mode: Welding; I nput mode: Welding; Output mode: USB; Size: 26.4 (long) * 15 (wide) * 7.4 (high) mm Include:1Pcs 5V USB Module _x000D_ _x000D_