This part is a kind of semiconductor called A489.

Function of this product has 2SA489.

Manufacturers : SavantIC

Image and pinout :

Some of the text within the PDF file :

CSD18531Q5A www.ti.com SLPS321A – JUNE 2012 – REVISED JUNE 2012 60V N-Channel NexFET™ Power MOSFETs Check for Samples: CSD18531Q5A 1 FEATURES Ultra Low Qg and Qgd Low Thermal Resistance Avalanche Rated Logic Level Pb Free Terminal Plating RoHS Compliant Halogen Free SON 5-mm × 6-mm Plastic Package PRODUCT SUMMARY Typical Values at 25°C unless otherwise stated VDS Qg Qgd RDS(on) VGS(th) Drain to Source Voltage Gate Charge Total (4.5V) Gate Charge Gate to Drain Drain to Source On Resistance Threshold Voltage TYPICAL VALUE 60 18 5.9 VGS = 4.5V VGS = 10V 1.8 4.4 3.5 UNIT V nC nC mΩ mΩ V • • • • • • • • 2 ORDERING INFORMATION APPLICATIONS • • • DC-DC Conversion Secondary Side Synchronous Rectifier Battery Motor Control Device CSD18531Q5A Package SON 5-mm [ ... ]

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