This part is a kind of semiconductor called SLA7024M.

Function of this product has 2-Phase Stepper Motor Unipolar Driver ICs.

Manufacturers : Sanken electric

Image and pinout :

Some of the text within the PDF file :

2-Phase/1-2 Phase Excitation SLA7027MU/SLA7024M/SLA7026M 2-Phase Stepper Motor Unipolar Driver ICs sAbsolute Maximum Ratings Parameter Motor supply voltage FET Drain-Source voltage Control supply voltage TTL input voltage Reference voltage Output current Power dissipation Channel temperature Storage temperature Symbol VCC V DSS VS VIN VREF IO PD1 PD2 Tch Tstg SLA7027MU Ratings SLA7024M 46 100 46 7 2 1.5 4.5 (Without Heatsink) 35 (TC=25°C) +150 −40 to +150 SLA7026M (Ta=25 °C) Units V V V V V A W W °C °C 1 3 sElectrical Characteristics Parameter Symbol min IS Condition Control supply voltage VS VDSS FET Drain-Source voltage Condition VDS FET ON voltage Condition IDSS FET drain leakage current Condition VSD FET diode forward voltage Condition IIH Condition TTL input current IIL Con [ ... ]

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