| PartNumber | NCP1205P2G | NCP1205P | NCP1205P2 |
| Description | Switching Controllers Single Ended Quasi Resonant PWM | Switching Controllers Single Ended Quasi | Switching Controllers Single Ended Quasi |
| Manufacturer | ON Semiconductor | ON Semiconductor | ON Semiconductor |
| Product Category | Switching Controllers | Switching Controllers | Switching Controllers |
| RoHS | Y | N | N |
| Topology | Flyback, Forward | Flyback, Forward | Flyback, Forward |
| Number of Outputs | 1 Output | 1 Output | 1 Output |
| Switching Frequency | 110 kHz | 125 kHz | 125 kHz |
| Output Current | 250 mA | 250 mA | 250 mA |
| Minimum Operating Temperature | - 25 C | - 25 C | - 25 C |
| Maximum Operating Temperature | + 125 C | + 125 C | + 125 C |
| Mounting Style | Through Hole | Through Hole | Through Hole |
| Package / Case | PDIP-14 | PDIP-8 | PDIP-14 |
| Packaging | Tube | Tube | Tube |
| Type | Current Mode PWM Controllers | Current Mode PWM Controllers | Current Mode PWM Controllers |
| Brand | ON Semiconductor | ON Semiconductor | ON Semiconductor |
| Fall Time | 30 ns | 30 ns | 30 ns |
| Operating Supply Voltage | 30 V | 30 V | 30 V |
| Product Type | Switching Controllers | Switching Controllers | Switching Controllers |
| Rise Time | 30 ns | 30 ns | 30 ns |
| Factory Pack Quantity | 1 | 1000 | 500 |
| Subcategory | PMIC - Power Management ICs | PMIC - Power Management ICs | PMIC - Power Management ICs |
| Unit Weight | 0.057144 oz | 0.032805 oz | 0.057144 oz |