Comparison : Item # 9PC8045D-R001, 25kHz Variable Resistor PWM Controller - PCB Type
Item # 9PC8045D-T001, 25kHz Termistor Control PWM Controller - PCB Type
Item # 9PC8045D-V001, 25kHz Voltage Control PWM Controller - PCB Type
Item # 9PC8666X-S001, 25kHz PWM Controller - Box Type