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| Part Number | NCP1239AD65R2G | NCP1239ED65R2G | NCP1239DD65R2G | NCP1239BD65R2G | NCP1239ID65R2G | NCP1239JD65R2G | NCP1239ND65R2G | NCP1239KD65R2G | NCP1239MD65R2G | NCP1239LD65R2G | NCP1239HD65R2G | NCP1239PD65R2G | NCP1239FD65R2G | NCP1239QD65R2G | NCP1239CD65R2G | NCP1249AD65R2G | NCP1219AD65R2G | NCP1234AD65R2G | NCP1236AD65R2G | NCP1237AD65R2G | NCP1238AD65R2G |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Manufacturer | onsemi | onsemi | onsemi | onsemi | onsemi | onsemi | onsemi | onsemi | onsemi | onsemi | onsemi | onsemi | onsemi | onsemi | onsemi | onsemi | onsemi | onsemi | onsemi | Fairchild Semiconductor | onsemi |
| Product Status | Active | Active | Active | Active | Active | Not For New Designs | Not For New Designs | Active | Not For New Designs | Active | Active | Active | Active | Active | Active | Obsolete | Active | Active | Last Time Buy | Active | Obsolete |
| Output Isolation | Isolated | Isolated | Isolated | Isolated | Isolated | Isolated | Isolated | Isolated | Isolated | Isolated | Isolated | Isolated | Isolated | Isolated | Isolated | Isolated | Isolated | Isolated | Isolated | Isolated | Isolated |
| Internal Switch(s) | No | No | No | No | No | No | No | No | No | No | No | No | No | No | No | No | No | No | No | No | No |
| Voltage - Breakdown | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Topology | Flyback | Flyback | Flyback | Flyback | Flyback | Flyback | Flyback | Flyback | Flyback | Flyback | Flyback | Flyback | Flyback | Flyback | Flyback | Flyback | Flyback | Flyback | Flyback | Flyback | Flyback |
| Voltage - Start Up | 12 V | 12 V | 12 V | 12 V | 12 V | 12 V | 12 V | 12 V | 12 V | 12 V | 12 V | 12 V | 12 V | 12 V | 12 V | 18 V | 12.7 V | 12 V | 12 V | 12 V | 12 V |
| Voltage - Supply (Vcc/Vdd) | 8.8V ~ 35V | 8.8V ~ 35V | 8.8V ~ 35V | 8.8V ~ 35V | 8.8V ~ 35V | 8.8V ~ 35V | 8.8V ~ 35V | 8.8V ~ 35V | 8.8V ~ 35V | 8.8V ~ 35V | 8.8V ~ 35V | 8.8V ~ 35V | 8.8V ~ 35V | 8.8V ~ 35V | 8.8V ~ 35V | 10V ~ 30V | 9.9V ~ 20V | 9.5V ~ 28V | 9.5V ~ 28V | 9.5V ~ 28V | 9.5V ~ 28V |
| Duty Cycle | 80% | 80% | 80% | 80% | 80% | 80% | 80% | 80% | 80% | 80% | 80% | 80% | 80% | 80% | 80% | 80% | 80% | 80% | 80% | 80% | 80% |
| Frequency - Switching | 65kHz | 65kHz | 65kHz | 65kHz | 65kHz | 65kHz | 65kHz | 65kHz | 65kHz | 65kHz | 65kHz | 65kHz | 65kHz | 65kHz | 65kHz | 65kHz | 65kHz | 65kHz | 65kHz | 65kHz | 65kHz |
| Power (Watts) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Fault Protection | Current Limiting, Over Load, Over Temperature, Over Voltage | Current Limiting, Over Load, Over Temperature, Over Voltage | Current Limiting, Over Load, Over Temperature, Over Voltage | Current Limiting, Over Load, Over Temperature, Over Voltage | Current Limiting, Over Load, Over Temperature, Over Voltage | Current Limiting, Over Load, Over Power, Over Temperature, Over Voltage, Short Circuit | Current Limiting, Over Load, Over Temperature, Over Voltage | Current Limiting, Over Load, Over Power, Over Temperature, Over Voltage, Short Circuit | Current Limiting, Over Load, Over Temperature, Over Voltage | Current Limiting, Over Load, Over Power, Over Temperature, Over Voltage, Short Circuit | Current Limiting, Over Load, Over Temperature, Over Voltage | Current Limiting, Over Load, Over Power, Over Temperature, Over Voltage, Short Circuit | Current Limiting, Over Load, Over Temperature, Over Voltage | Current Limiting, Over Load, Over Power, Over Temperature, Over Voltage, Short Circuit | Current Limiting, Over Load, Over Temperature, Over Voltage | Over Load, Over Power, Over Temperature, Over Voltage, Short Circuit | Over Load, Over Temperature, Over Voltage | Current Limiting, Over Load, Over Temperature | Over Load, Over Power, Over Temperature, Over Voltage | Current Limiting, Over Load, Over Temperature, Over Voltage, Short Circuit | Current Limiting, Over Load, Over Temperature, Over Voltage, Short Circuit |
| Control Features | - | - | - | - | - | EN, Soft Start | - | EN, Soft Start | - | EN, Soft Start | - | EN, Soft Start | - | EN, Soft Start | - | - | - | - | - | - | - |
| Operating Temperature | -40°C ~ 125°C (TJ) | -40°C ~ 125°C (TJ) | -40°C ~ 125°C (TJ) | -40°C ~ 125°C (TJ) | -40°C ~ 125°C (TJ) | 150°C (TJ) | -40°C ~ 125°C (TJ) | 150°C (TJ) | -40°C ~ 125°C (TJ) | -40°C ~ 125°C (TJ) | -40°C ~ 125°C (TJ) | 150°C (TJ) | -40°C ~ 125°C (TJ) | 150°C (TJ) | -40°C ~ 125°C (TJ) | -40°C ~ 125°C (TJ) | -40°C ~ 150°C (TJ) | -40°C ~ 150°C (TJ) | -40°C ~ 150°C (TJ) | -40°C ~ 150°C (TJ) | -40°C ~ 150°C (TJ) |
| Package / Case | 8-SOIC (0.154", 3.90mm Width), 7 Leads | 8-SOIC (0.154", 3.90mm Width), 7 Leads | 8-SOIC (0.154", 3.90mm Width), 7 Leads | 8-SOIC (0.154", 3.90mm Width), 7 Leads | 8-SOIC (0.154", 3.90mm Width), 7 Leads | 8-SOIC (0.154", 3.90mm Width), 7 Leads | 8-SOIC (0.154", 3.90mm Width), 7 Leads | 8-SOIC (0.154", 3.90mm Width), 7 Leads | 8-SOIC (0.154", 3.90mm Width), 7 Leads | 8-SOIC (0.154", 3.90mm Width), 7 Leads | 8-SOIC (0.154", 3.90mm Width), 7 Leads | 8-SOIC (0.154", 3.90mm Width), 7 Leads | 8-SOIC (0.154", 3.90mm Width), 7 Leads | 8-SOIC (0.154", 3.90mm Width), 7 Leads | 8-SOIC (0.154", 3.90mm Width), 7 Leads | 10-SOP (0.154", 3.90mm Width), 9 Leads | 8-SOIC (0.154", 3.90mm Width), 7 Leads | 8-SOIC (0.154", 3.90mm Width), 7 Leads | 8-SOIC (0.154", 3.90mm Width), 7 Leads | 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 | 7-SOIC | 7-SOIC | 7-SOIC | 7-SOIC | 7-SOIC | 7-SOIC | 7-SOIC | 7-SOIC | 7-SOIC | 7-SOIC | 7-SOIC | 7-SOIC | 7-SOIC | 9-SOIC | 7-SOIC | 7-SOIC | 7-SOIC | 7-SOIC | 7-SOIC |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
