Cheap smps base on TL494 pwm, half bridge AC-DC

[vorezky04]

How we calculate the snubber?

 

[sofie]

can mje 13007 replace with irfp460

 

[bicikle]

does some one try this smps? is this worcking?
Can be wired more parallel 13007's for more power ?

 

[kashi549]

i have built this supply but power transistors get too hot even with no load. can some one help me around.

 

[freeman3020]

i have built this supply but power transistors get too hot even with no load. can some one help me around.

you need to to add inductor before last capacitor in DC output