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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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| SFH 309 E9086 | OSRAM Opto Semiconductors, Inc. | PHOTOTRANSISTOR NPN | - | -40°C ~ 100°C (TA) | Bulk | Through Hole | - | - | - | - | - | |
| SFH 3201-2/3-Z | OSRAM Opto Semiconductors, Inc. | PHOTOTRANSISTOR NPN 850NM SMD | - | -40°C ~ 100°C (TA) | Tape & Reel (TR) | Surface Mount | - | - | - | - | - | |
| QSE213 | AMI Semiconductor / ON Semiconductor | IC PHOTOTRANS IR 880NM SIDE-LOOK | - | -40°C ~ 100°C (TA) | Bulk | Through Hole | - | - | - | - | - | |
| OP775A | Optek Technology / TT Electronics | PHOTOTRNS NPN W/CAP SIDE LOOK | - | -40°C ~ 100°C (TA) | Bulk | Through Hole | - | - | - | - | - | |
| OP500DA | Optek Technology / TT Electronics | PHOTODARLINGTON NPN CLR 0805 SMD | - | -25°C ~ 85°C (TA) | Tape & Reel (TR) | Surface Mount | - | - | - | - | - | |
| QSE114E3R0 | AMI Semiconductor / ON Semiconductor | PHOTOTRANSISTOR IR 30V SIDELOOKR | - | -40°C ~ 100°C (TA) | Tape & Reel (TR) | Through Hole | - | - | - | - | - | |
| SFH 313 FA-2/3 | OSRAM Opto Semiconductors, Inc. | PHOTOTRANSISTOR NPN 5MM 870NM | - | -40°C ~ 100°C (TA) | Bulk | Through Hole | - | - | - | - | - | |
| OP506C | Optek Technology / TT Electronics | PHOTOTRANSISTOR 3MM 935NM NPN | - | -40°C ~ 100°C (TA) | Bulk | Through Hole | - | - | - | - | - | |
| QSD722 | AMI Semiconductor / ON Semiconductor | IC PHOTOTRANS IR 880NM TO-18 | - | -40°C ~ 100°C (TA) | - | Through Hole | - | - | - | - | - | |
| SD1440-004L | Honeywell Sensing and Productivity Solutions | PHOTOTRANSISTOR COAXIAL PACK | - | -55°C ~ 125°C (TA) | Bulk | Through Hole | - | - | - | - | - |
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.