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| PartNumber | EL4503S1(TA)-V | EL4503S(TA)-V | EL4503 |
| Description | High Speed Optocouplers High Speed SMD (1MBit/s) | High Speed Optocouplers High Speed SMD (1MBit/s) | High Speed Optocouplers High Speed Thru-Hole (1MBits/s) |
| Manufacturer | Everlight Electronics Co Ltd | Everlight Electronics Co Ltd | Everlight Electronics Co Ltd |
| Product Category | Optoisolators - Transistor, Photovoltaic Output | Optoisolators - Transistor, Photovoltaic Output | Optoisolators - Transistor, Photovoltaic Output |
| Series | - | - | - |
| Packaging | Tape & Reel (TR) | Tape & Reel (TR) | Tube |
| Package Case | 8-SMD, Gull Wing | 8-SMD, Gull Wing | 8-DIP (0.300", 7.62mm) |
| Input Type | DC | DC | DC |
| Operating Temperature | -55°C ~ 125°C | -55°C ~ 125°C | -55°C ~ 125°C |
| Mounting Type | Surface Mount | Surface Mount | Through Hole |
| Output Type | Transistor | Transistor | Transistor |
| Number of Channels | 1 | 1 | 1 |
| Supplier Device Package | 8-SMD | 8-SMD | 8-DIP |
| Current Output Channel | 8mA | 8mA | 8mA |
| Voltage Output Max | 20V | 20V | 20V |
| Current DC Forward If Max | 25mA | 25mA | 25mA |
| Voltage Isolation | 5000Vrms | 5000Vrms | 5000Vrms |
| Voltage Forward Vf Typ | 1.45V | 1.45V | 1.45V |
| Current Transfer Ratio Min | 19% @ 16mA | 19% @ 16mA | 19% @ 16mA |
| Current Transfer Ratio Max | 50% @ 16mA | 50% @ 16mA | 50% @ 16mA |
| Turn On Turn Off Time Typ | 350ns, 300ns | 350ns, 300ns | 350ns, 300ns |
| Rise Fall Time Typ | - | - | - |
| Vce Saturation Max | - | - | - |
| Vf Forward Voltage | 1.45 V | 1.45 V | 1.45 V |
| If Forward Current | 16 mA | 16 mA | 16 mA |