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| PartNumber | 4N49U | 4N49U-T/R | 4N49U+JANTX |
| Description | Transistor Output Optocouplers Optocoupled Isolator | 4N49U-T/R | |
| Manufacturer | TT Electronics | - | - |
| Product Category | Transistor Output Optocouplers | - | - |
| RoHS | N | - | - |
| Output Type | NPN Phototransistor | - | - |
| Number of Channels | 1 Channel | - | - |
| If Forward Current | 10 mA | - | - |
| Maximum Collector Emitter Voltage | 35 V | - | - |
| Maximum Collector Current | 10 mA | - | - |
| Isolation Voltage | 1000 Vrms | - | - |
| Maximum Collector Emitter Saturation Voltage | 0.3 V | - | - |
| Vf Forward Voltage | 1.5 V | - | - |
| Vr Reverse Voltage | 2 V | - | - |
| Pd Power Dissipation | 300 mW | - | - |
| Minimum Operating Temperature | - 55 C | - | - |
| Maximum Operating Temperature | + 125 C | - | - |
| Packaging | Bulk | - | - |
| Height | 1.85 mm | - | - |
| Length | 6.22 mm | - | - |
| Width | 4.32 mm | - | - |
| Brand | Optek / TT Electronics | - | - |
| Collector Emitter Breakdown Voltage | 90 V | - | - |
| Mounting Style | SMD/SMT | - | - |
| Current Transfer Ratio | 200 % | - | - |
| Fall Time | 20 us | - | - |
| Product Type | Transistor Output Optocouplers | - | - |
| Rise Time | 20 us | - | - |
| Factory Pack Quantity | 100 | - | - |
| Subcategory | Optocouplers | - | - |