| Image | Part Number | Manufacturer | Description | Series | Operating Temperature | Packaging | Mounting Type | RoHS Status | Manufacturer Part Number | Contact Material | Viewing Angle | Package / Case |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| SFH 320 FA-3/4-Z | OSRAM Opto Semiconductors, Inc. | PHOTOTRANSISTOR NPN 980NM 2PLCC | TOPLED | -40°C ~ 100°C (TA) | Tape & Reel (TR) | Surface Mount | - | - | - | 120° | 2-LCC (J-Lead) | |
| PT550 | Sharp Microelectronics | PHOTO TRANS CLR LEN 800NM TO-18 | - | -25°C ~ 125°C (TA) | Tube | Through Hole | - | - | - | 12° | TO-206AA, TO-18-3 Metal Can | |
| OP598A | Optek Technology / TT Electronics | PHOTOTRANSISTOR NPN 890NM TO-18 | - | -40°C ~ 100°C (TA) | Bulk | Through Hole | - | - | - | - | TO-18-2 | |
| APA3010P3BT | Kingbright | PHOTOTRANSISTOR 3X1MM BLU RA SMD | - | -40°C ~ 85°C (TA) | Tape & Reel (TR) | Surface Mount, Right Angle | - | - | - | 110° | 2-SMD, No Lead | |
| PT17-21C/L41/TR8 | Everlight Electronics | PHOTOTRANSISTOR FLAT CLEAR 0805 | - | -25°C ~ 85°C (TA) | Tape & Reel (TR) | Surface Mount | - | - | - | - | 0805 (2012 Metric) | |
| PT4810E0000F | Sharp Microelectronics | PHOTO TRANS BLUE LEN 800NM SIDE | - | - | Tube | Through Hole | - | - | - | 70° | Radial | |
| RPM-012PBT97 | LAPIS Semiconductor | PHOTOTRANSISTOR SIDE VIEW SMD | - | -30°C ~ 85°C (TA) | Tape & Reel (TR) | Surface Mount | - | - | - | 24° | 4-SMD, No Lead | |
| OP775B | Optek Technology / TT Electronics | PHOTOTRNS NPN W/CAP SIDE LOOK | - | -40°C ~ 100°C (TA) | Bulk | Through Hole | - | - | - | - | Radial | |
| BPW17N | Electro-Films (EFI) / Vishay | PHOTOTRANSISTOR NPN 1.8MM CLEAR | - | -40°C ~ 100°C (TA) | Bulk | Through Hole | - | - | - | 24° | Radial | |
| OP552C | Optek Technology / TT Electronics | PHOTOTRANS SILICON NPN SIDE LOOK | - | - | Bulk | Through Hole | - | - | - | - | Radial |
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.