| 1181841 | ML4818 | Phase Modulation/Soft Switching Controller | Micro Linear |
| 1181842 | ML4818CP | Phase Modulation/Soft Switching Controller | Fairchild Semiconductor |
| 1181843 | ML4818CP | Phase modulation /soft switching controller | Micro Linear |
| 1181844 | ML4818CS | Phase Modulation/Soft Switching Controller | Micro Linear |
| 1181845 | ML4819 | Power Factor and PWM Controller Combo | Micro Linear |
| 1181846 | ML4819CP | Power Factor and PWM Controller Combo | Fairchild Semiconductor |
| 1181847 | ML4819CP | Power Factor and PWM Controller Combo | Micro Linear |
| 1181848 | ML4819CS | Power Factor and PWM Controller Combo | Micro Linear |
| 1181849 | ML4821 | Power Factor Controller | Fairchild Semiconductor |
| 1181850 | ML4821 | Power Factor Controller | Micro Linear |
| 1181851 | ML4821CP | Power Factor Correction (PFC) Controller | Fairchild Semiconductor |
| 1181852 | ML4821CP | Power factor controller | Micro Linear |
| 1181853 | ML4821CS | Power Factor Correction (PFC) Controller | Fairchild Semiconductor |
| 1181854 | ML4821CS | Power factor controller | Micro Linear |
| 1181855 | ML4821CSX | Power Factor Correction (PFC) Controller | Fairchild Semiconductor |
| 1181856 | ML4821IP | Power Factor Controller | Micro Linear |
| 1181857 | ML4821IS | Power Factor Controller | Micro Linear |
| 1181858 | ML4822 | ZVS Average Current PFC Controller | Micro Linear |
| 1181859 | ML4822CP | ZVS Average Current PFC Controller | Micro Linear |
|
| 1181860 | ML4822CS | ZVS Average Current PFC Controller | Micro Linear |
| 1181861 | ML4822IP | ZVS Average Current PFC Controller | Micro Linear |
| 1181862 | ML4822IS | ZVS Average Current PFC Controller | Micro Linear |
| 1181863 | ML4823 | High Frequency Power Supply Controller | Fairchild Semiconductor |
| 1181864 | ML4823 | High Frequency Power Supply Controller | Micro Linear |
| 1181865 | ML4823CP | High Frequency Power Supply Controller | Fairchild Semiconductor |
| 1181866 | ML4823CP | High frequency power supply controller | Micro Linear |
| 1181867 | ML4823CQ | High Frequency Power Supply Controller | Fairchild Semiconductor |
| 1181868 | ML4823CQ | High Frequency Power Supply Controller | Micro Linear |
| 1181869 | ML4823CS | High Frequency Power Supply Controller | Fairchild Semiconductor |
| 1181870 | ML4823CS | High frequency power supply controller | Micro Linear |
| 1181871 | ML4823CSX | High Frequency Power Supply Controller | Fairchild Semiconductor |
| 1181872 | ML4823IP | High Frequency Power Supply Controller | Fairchild Semiconductor |
| 1181873 | ML4823IP | High frequency power supply controller | Micro Linear |
| 1181874 | ML4823IQ | High Frequency Power Supply Controller | Fairchild Semiconductor |
| 1181875 | ML4823IS | High Frequency Power Supply Controller | Fairchild Semiconductor |
| 1181876 | ML4823IS | High frequency power supply controller | Micro Linear |
| 1181877 | ML4823ISX | High Frequency Power Supply Controller | Fairchild Semiconductor |
| 1181878 | ML4823MJ | High Frequency Power Supply Controller | Fairchild Semiconductor |
| 1181879 | ML4823MJ | High Frequency Power Supply Controller | Micro Linear |
| 1181880 | ML4824 | Power Factor Correction and PWM Controller Combo | Micro Linear |
