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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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| APT2012P3BT | Kingbright | PHOTOTRANSISTOR IR NPN 940NM SMD | - | -40°C ~ 85°C (TA) | Tape & Reel (TR) | Surface Mount | - | - | - | - | - | |
| XZRNI56W-1 | SunLED | LED 3.0X1.0MM PHOTOTRANS RA SMD | - | -40°C ~ 85°C (TA) | Cut Tape (CT) | Surface Mount | - | - | - | - | - | |
| SDP8405-002 | Honeywell Sensing and Productivity Solutions | PHOTOTRANSISTOR SILICON NPN T-1 | - | -40°C ~ 85°C (TA) | Bulk | Through Hole | - | - | - | - | - | |
| OP515B | Optek Technology / TT Electronics | PHOTOTRANSISTOR | - | -55°C ~ 125°C | Bulk | Through Hole | - | - | - | - | - | |
| EAPSZ2520A1 | Everlight Electronics | DETECTOR SUBMINIATURE T 3/4 | - | -25°C ~ 85°C (TA) | Tape & Reel (TR) | Surface Mount | - | - | - | - | - | |
| LTR-323DB | Lite-On, Inc. | PHOTODIODE PTX 5MM CLEAR | - | -40°C ~ 85°C (TA) | Bulk | Through Hole | - | - | - | - | - | |
| PNZ154 | Panasonic | NPN PHOTO TRANSISTOR | - | - | - | Through Hole | - | - | - | - | - | |
| SFH 314 | OSRAM Opto Semiconductors, Inc. | PHOTOTRANSISTOR NPN 850NM CLEAR | - | -40°C ~ 100°C (TA) | Bulk | Through Hole | - | - | - | - | - | |
| SFH 303FA-4 RN18A | OSRAM Opto Semiconductors, Inc. | PHOTOTRANS T1 3/4 5MM NPN | - | - | Bulk | Through Hole | - | - | - | - | - | |
| SD5491-004 | Honeywell Sensing and Productivity Solutions | PHOTOTRANSISTOR NPN TO-18 | - | -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.