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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 309-4/5 | OSRAM Opto Semiconductors, Inc. | PHOTOTRANSISTOR NPN 3MM 860NM | - | -40°C ~ 100°C (TA) | Bulk | Through Hole | - | - | - | - | - | |
| OP509C | Optek Technology / TT Electronics | PHOTOTRANS SILICON NPN SIDE LOOK | - | -40°C ~ 100°C (TA) | Bulk | Through Hole | - | - | - | - | - | |
| PNA1401LF | Panasonic | NPN PHOTOTRANS 800NM TO-18 FLAT | - | - | - | Through Hole | - | - | - | - | - | |
| VEMT3700F-GS08 | Electro-Films (EFI) / Vishay | PHOTO TRANS. SMD PLCC2 | Automotive, AEC-Q100 | -40°C ~ 100°C (TA) | Tape & Reel (TR) | Surface Mount | - | - | - | - | - | |
| OP800A | Optek Technology / TT Electronics | PHOTOTRANS SILICON NPN HERM TO18 | - | -65°C ~ 125°C (TA) | Bulk | Through Hole | - | - | - | - | - | |
| SD2410-002 | Honeywell Sensing and Productivity Solutions | PHOTODARLINGTON PILL PACK | - | -55°C ~ 125°C (TA) | Bulk | PCB, Through Hole | - | - | - | - | - | |
| OPR5500 | Optek Technology / TT Electronics | PHOTOTRANSISTOR NPN SILICON SMD | - | -55°C ~ 125°C (TA) | Bulk | Surface Mount | - | - | - | - | - | |
| OP793B | Optek Technology / TT Electronics | PHOTOTRANS NPN W/RESISTOR TO-18 | - | -40°C ~ 100°C (TA) | Bulk | Through Hole | - | - | - | - | - | |
| SFH 320G E9133-Z | OSRAM Opto Semiconductors, Inc. | PHOTOTRANSISTOR NPN | - | - | - | - | - | - | - | - | - | |
| SDP8106-001 | Honeywell Sensing and Productivity Solutions | PHOTODARLINGTON SILICON SIDE | - | - | Bulk | Through Hole, Right Angle | - | - | - | - | - |
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.