| Part Number | NCP1239JD65R2G | NCP1239MD65R2G | 
|---|---|---|
| Manufacturer | onsemi | onsemi | 
| Category | PMIC - AC DC Converters, Offline Switchers | PMIC - AC DC Converters, Offline Switchers | 
|   |   | |
| Product Status | Not For New Designs | Not For New Designs | 
| Output Isolation | Isolated | Isolated | 
| Internal Switch(s) | No | No | 
| Voltage - Breakdown | - | - | 
| Topology | Flyback | Flyback | 
| Voltage - Start Up | 12 V | 12 V | 
| Voltage - Supply (Vcc/Vdd) | 8.8V ~ 35V | 8.8V ~ 35V | 
| Duty Cycle | 80% | 80% | 
| Frequency - Switching | 65kHz | 65kHz | 
| Power (Watts) | - | - | 
| Fault Protection | Current Limiting, Over Load, Over Power, Over Temperature, Over Voltage, Short Circuit | Current Limiting, Over Load, Over Temperature, Over Voltage | 
| Control Features | EN, Soft Start | - | 
| Operating Temperature | 150°C (TJ) | -40°C ~ 125°C (TJ) | 
| Package / Case | 8-SOIC (0.154", 3.90mm Width), 7 Leads | 8-SOIC (0.154", 3.90mm Width), 7 Leads | 
| Supplier Device Package | 7-SOIC | 7-SOIC | 
| Mounting Type | Surface Mount | Surface Mount |