U6047B Integrated Circuit - DIP8 - Vishay Semiconductor

TNY255P Integrated Circuit - DIP8 - Power Integrations

TOP242PN SemiConductor - DIP8 - Power Integrations

U254B Integrated Circuit - DIP8 - Vishay Semiconductor

UA555TC Integrated Circuit - DIP8 - Fairchild Semiconductor

LM4250 Integrated Circuit - DIP8 - National Semiconductor - NSC

TNY265P Integrated Circuit - DIP7 - Power Integrations

TOP221P Integrated Circuit - DIP8 - Power Integrations