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| PartNumber | ALS-PT204-6C/L177 | ALS-PT243-3C/L177 | ALS-PT243-3C |
| Description | Optical Sensors Ambient Light Sensors Ambient Light Senso | Optical Sensors Ambient Light Sensors Ambient Light Senso | |
| Manufacturer | Everlight Electronics Co Ltd | Everlight Electronics Co Ltd | - |
| Product Category | Optical Sensors - Phototransistors | Optical Sensors - Phototransistors | - |
| Series | - | - | - |
| Type | Ambient Light Sensor | Ambient Light Sensor | - |
| Packaging | Bulk | Bulk | - |
| Package Case | Radial | T-1 3/4 | - |
| Operating Temperature | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | - |
| Mounting Type | Through Hole | Through Hole | - |
| Power Max | - | - | - |
| Current Collector Ic Max | - | - | - |
| Voltage Collector Emitter Breakdown Max | 5.5V | 5.5V | - |
| Orientation | - | - | - |
| Wavelength | 630nm | 630nm | - |
| Current Dark Id Max | 100nA | 100nA | - |
| Viewing Angle | - | - | - |
| Product | - | Ambient Light Sensors | - |
| Mounting Style | - | Through Hole | - |
| Maximum Operating Temperature | - | + 85 C | - |
| Minimum Operating Temperature | - | - 40 C | - |
| Operating Supply Voltage | - | 5 VDC | - |
| Fall Time | - | 0.22 ms | - |
| Rise Time | - | 0.11 ms | - |
| Peak Wavelength | - | 630 nm | - |
| Half Intensity Angle Degrees | - | 143 deg | - |