This part is a kind of semiconductor called AM2303E3VR.
Function of this product has -30V P-CHANNEL ENHANCEMENT MODE MOSFET.
Manufacturers : AiT Semiconductor
Image and pinout :
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AiT Semiconductor Inc. www.ait-ic.com AM2303 MOSFET -30V P-CHANNEL ENHANCEMENT MODE DESCRIPTION The AM2303 is the P-Channel logic enhancement mode power field effect transistor is produced using high cell density. advanced trench technology to provide excellent RDS(ON) low gate charge and operation gate as 2.5V. FEATURES -30V/-4.3A, RDS(ON) =50mΩ(typ.)@VGS =-10V -30V/-3.5A, RDS(ON) =58mΩ(typ.)@VGS =-4.5V -30V/-2.5A, RDS(ON) =73mΩ(typ.)@VGS =-2.5V Super high density cell design for extremely low RDS(ON) Exceptional on-resistance and Maximum DC current capability Available in SOT-23 Package This device is suitable for use as a load switch or other general applications. The AM3401 is available in SOT-23 Package ORDERING INFORMATION Package Type SOT-23 Note E3 P [ ... ]