This part is a kind of semiconductor called MTN1012ZC3.

Function of this product has N-Channel Enhancement Mode MOSFET.

Manufacturers : CYStech

Image and pinout :

Some of the text within the PDF file :

CYStech Electronics Corp. Spec. No. : C588C3 Issued Date : 2011.01.05 Revised Date : Page No. : 1/7 ESD protected N-CHANNEL Enhancement Mode MOSFET MTN1012ZC3 BVDSS 20V ID 0.7A 300mΩ@4.5V/0.6A Description • Low voltage drive, 1.8V • Easy to use in parallel • High speed switching • ESD protected device • Pb-free package RDSON(TYP) 340mΩ@2.5V/0.5A 420mΩ@1.8V/0.4A Symbol MTN1012ZC3 Outline SOT-523 D G：Gate S：Source D：Drain GS Absolute Maximum Ratings (Ta=25°C) Parameter Drain-Source Voltage Gate-Source Voltage Continuous Drain Current TA=25°C TA=70°C Pulsed Drain Current Total Power Dissipation TA=25°C TA=70°C Operating Junction and Storage Temperature Range Thermal Resistance, Junction-to-Ambient Note : *1. Pulse Width ≤ 300μs, Duty cycle [ ... ]

MTN1012ZC3 PDF Datasheet Download