20pcs/lot OH3144E Unipolar Hall Element Switch Sensor DIP TO92 Mark: 44E Electric Motor Brushless Motor
https://www.vogueparade.com/shopping/EN/150412/1/1005003420064321/20pcslot-oh3144e-unipolar-hall-element-switch-sensor-dip-to92-mark-44e-electric-motor-brushless-motor//