| Image | Part Number | Manufacturer | Description | Series | Operating Temperature | Packaging | Mounting Type | RoHS Status | Manufacturer Part Number | Contact Material | Viewing Angle | Package / Case |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| SFH 3162 F | OSRAM Opto Semiconductors, Inc. | PHOTOTRANS NPN DUAL SIDELOOK SMD | - | -40°C ~ 85°C (TA) | Bulk | Surface Mount | - | - | - | 150° | Radial | |
| ALS-PT17-51C/L177/TR8 | Everlight Electronics | LIGHT SENSOR AMBIENT SMD | - | -40°C ~ 85°C (TA) | Tape & Reel (TR) | Surface Mount | - | - | - | - | 0805 (2012 Metric) | |
| OP770B | Optek Technology / TT Electronics | PHOTOTRNS NPN W/CAP SIDE LOOK | - | -40°C ~ 100°C (TA) | Bulk | Through Hole | - | - | - | - | Radial | |
| APTD3216P3C-P22 | Kingbright | 3.2X1.6MM PHOTOTRANSISTOR SMD LE | - | -40°C ~ 85°C | Tape & Reel (TR) | Surface Mount | RoHS Compliant | - | - | 40° | 1206 (3216 Metric) | |
| SFH 3400-Z | OSRAM Opto Semiconductors, Inc. | PHOTOTRANSISTOR NPN SMART DILSMD | - | -40°C ~ 100°C (TA) | Tape & Reel (TR) | Surface Mount | - | - | - | 120° | 3-SMD, Gull Wing | |
| SFH 325-3-Z | OSRAM Opto Semiconductors, Inc. | PHOTOTRANSISTOR NPN 980NM 2PLCC | SIDELED | -40°C ~ 100°C (TA) | Tape & Reel (TR) | Surface Mount, Right Angle | - | - | - | 120° | 2-LCC (J-Lead) | |
| PNZ155 | Panasonic | NPN PHOTOTRANS 800NM SIDE VIEW | - | - | - | Through Hole | - | - | - | 140° | Side View | |
| EAPLP04RRAA2 | Everlight Electronics | DETECTOR THRU-HOLE | - | -25°C ~ 85°C (TA) | Bulk | Through Hole | - | - | - | - | Radial, 3 Lead, Side View |
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.