Can I replace an ER107 for an IN4007 or IN4005?
ER107 Vfm= 1.3V (max) @ 1A,  Vr=500Vdc, Cj= 10 pF @4V,  100uA @ 100'C @ 500V

1N4005 Vf= 1.1V  (max(  @ 1A, Vr= 600Vdc, Cj &lt; 10pF @ 4 V,  50uA @ 100'C @ 600V
so it is better for all specs, also 1N4007 Vr=1kV