PWM 2 Channel 4 Wire Cooling DC 12/24/48V Fan Temperature Controller Motor Speed

30Pcs TL494IDRG4 SOP-16 Switching Controllers PWM Control Circuit

20Pcs TL594IDRG4 SOP-16 Switching Controllers PWM Control Circuit

HHO PWM DC Motor Speed controller 12V 24V 36V 48V 40A 2000W Adjustable frequency

1Pcs UCC3580D-2 SOP-16 Switching Controllers Single Ended Active Clamp/Reset PWM

1Pcs UCC3580D-1 SOP-16 Switching Controllers Single Ended Active Clamp/Reset PWM

1Pcs UCC2580D-1 SOP-16 Switching Controllers Single Ended Active Clamp/Reset PWM

3Pcs TL1451CNS SO-16 Switching Controllers Dual PWM Control Circuit