| Part Number | Max Output Power | Package | Power Transistor | Standby | EPS | Frequency | Features |
| (90V – 265V) |
| SF5539H | 15W | DIP-8 | 3.8Ω/650V MOS | <75mW | Level 6 | 65KHz | OCP Compensation,Programmable OLP Debounce Time |
| SF5549 | 15W | DIP-8 | 2.5Ω/650V MOS | <75mW | Level 6 | 50KHz | OTP,OCP Compensation,Programmable OLP Debounce Time |
| SF5549H | 20W | DIP-8 | 2.2Ω/650V MOS | <75mW | Level 6 | 65KHz | OTP,OCP Compensation,Programmable OLP Debounce Time |
| SF5559 | 24W | DIP-8 | 0.9Ω/650V MOS | <75mW | Level 6 | 65KHz | OTP,OCP Compensation,Programmable OLP Debounce Time |
| SF5569H | 18W | DIP-8 | 2.01Ω/650V MOS | <75mW | Level 6 | 65KHz | OCP Compensation,Programmable OLP Debounce Time |
| SF5566 | 12W | SOP-8 | 3.0Ω/650V MOS | <75mW | Level 6 | 65KHz |
|
| SF5566B | 15W | SOP-8 | 2.6Ω/650V MOS | <75mW | Level 6 | 65KHz |
|
| SF5566D | 18W | SOP-8 | 2.01Ω/650V MOS | <75mW | Level 6 | 65KHz | 18W PD QC |
| SF5566E | 20W | SOP-8 | 1.6Ω/650V MOS | <75mW | Level 6 | 65KHz | 20W PD QC |
| SF6649 | 20W | SOP-8 | 0.95Ω/650V MOS | <75mW | Level 6 | 65KHz | 20W PD QC |
| SF1528 | 33W | ESOP6 | 0.48Ω/650V MOS | <75mW | Level 6 | 65KHz | 33W PD |
| SF5785 | 24W | DIP-8 | 1.6Ω/650V MOS | <75mW | Level 6 | 65KHz |
|