FOR SALE: ONE (1 EACH) SANYO SEMICONDUCTOR CORPORATION STK6722H, GENERAL PURPOSE STEPPER MOTOR CIRCUIT, 4-PHASE STEPPING UNIPOLAR MOTOR DRIVER. Vcc Max.= 50 volts, I out Max.= 2.1 Amps. THICK FILM HYBRID IC, 18 PIN SIP, (package number 4040). THESE COMPONENTS HAVE BEEN PULLED FROM WORKING EQUIPMENT.