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| Image | Part Number | Manufacturer | Description | Series | Operating Temperature | Packaging | Mounting Type | RoHS Status | Output Type | Sensing Method | Sensing Distance | Response Time |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| QSE113 | AMI Semiconductor / ON Semiconductor | IC PHOTOTRANS IR 880NM SIDE-LOOK | - | -40°C ~ 100°C (TA) | Bulk | Through Hole | - | - | - | - | - | |
| SD3443-001 | Honeywell Sensing and Productivity Solutions | SENSOR PHOTOTRANSISTOR NPN TO-46 | - | -55°C ~ 125°C (TA) | Bulk | Through Hole | - | - | - | - | - | |
| OP804TXV | Optek Technology / TT Electronics | PHOTOTRANS SILICON NPN TO-18 | - | -65°C ~ 125°C (TA) | Bulk | Through Hole | - | - | - | - | - | |
| SDP8436-002 | Honeywell Sensing and Productivity Solutions | PHOTOTRANSISTOR NPN SIDE LOOK | - | -40°C ~ 85°C (TA) | Bulk | Through Hole, Right Angle | - | - | - | - | - | |
| ALS-PT19-315C/L177/TR8 | Everlight Electronics | LIGHT SENSOR AMBIENT SMD | - | -40°C ~ 85°C (TA) | Cut Tape (CT) | Surface Mount | - | - | - | - | - | |
| LTR-5576DH | Lite-On, Inc. | PHOTOTRANSISTOR PTX TBIT .2"HT | - | -40°C ~ 85°C (TA) | Bulk | Through Hole | - | - | - | - | - | |
| QSD424 | AMI Semiconductor / ON Semiconductor | IR PHOTO TRANS TO-18 880 NM | - | - | Bulk | - | - | - | - | - | - | |
| TEPT5600 | Electro-Films (EFI) / Vishay | AMBIENT LIGHT SENSOR 5MM | - | -40°C ~ 85°C (TA) | Bulk | Through Hole | - | - | - | - | - | |
| TEKS5421X01-FGZ | Electro-Films (EFI) / Vishay | PHOTOTRANSISTOR NPN TH | - | - | - | - | - | - | - | - | - | |
| OP580 | Optek Technology / TT Electronics | PHOTOTRANSISTOR NPN SMD PLCC-2 | - | -25°C ~ 85°C (TA) | Tape & Reel (TR) | Surface Mount | - | - | - | - | - |
Phototransistors are semiconductor devices that convert light energy into electrical signals. They consist of a semiconductor junction and a transparent window that allows light to enter and interact with the semiconductor material. Phototransistors amplify the current generated by incident light, making them suitable for applications requiring high sensitivity to light levels, such as optical encoders, ambient light sensing, and infrared remote control systems.