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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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| OP775D | Optek Technology / TT Electronics | PHOTOTRNS NPN W/CAP SIDE LOOK | - | -40°C ~ 100°C (TA) | Bulk | Through Hole | - | - | - | - | - | |
| SD1410-002L | Honeywell Sensing and Productivity Solutions | PHOTODARLINGTON COAXIAL PACK | - | -55°C ~ 125°C (TA) | Bulk | Through Hole | - | - | - | - | - | |
| OP521 | Optek Technology / TT Electronics | PHOTOTRANSISTOR NPN CLEAR 1206 | - | -25°C ~ 85°C (TA) | Tape & Reel (TR) | Surface Mount | - | - | - | - | - | |
| QSB320 | AMI Semiconductor / ON Semiconductor | IC PHOTOTRANS IR 120DEG 2-PLCC | - | -55°C ~ 100°C (TA) | Bulk | Surface Mount | - | - | - | - | - | |
| OP802SL | Optek Technology / TT Electronics | PHOTOTRANS SILICON NPN HERM TO18 | - | -65°C ~ 125°C (TA) | Bulk | Through Hole | - | - | - | - | - | |
| QTLP610CPDTR | AMI Semiconductor / ON Semiconductor | PHOTOTRANSISTOR NPN RA MINI SMD | - | -25°C ~ 85°C (TA) | Original-Reel® | Surface Mount | - | - | - | - | - | |
| SFH 314 FA-3 | OSRAM Opto Semiconductors, Inc. | PHOTOTRANSISTOR NPN | - | -40°C ~ 100°C (TA) | Bulk | Through Hole | - | - | - | - | - | |
| SFH 3600-Z | OSRAM Opto Semiconductors, Inc. | PHOTOTRANSISTOR MIDLED TOPLOOKER | - | -40°C ~ 100°C (TA) | Tape & Reel (TR) | Surface Mount | - | - | - | - | - | |
| APECVA3010P3BT | Kingbright | PHOTOTRANSISTOR 3X1MM BLU RA SMD | - | -40°C ~ 85°C (TA) | Cut Tape (CT) | Surface Mount, Right Angle | - | - | - | - | - | |
| SFH 3211 FA-3/4-Z | OSRAM Opto Semiconductors, Inc. | PHOTOTRANSISTOR NPN 890NM REV GW | TOPLED | -40°C ~ 100°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.