The PT1206BS is a high-speed, high-sensitivity, small-size surface-mount NPN phototransistor from Shenzhen Shuguan Electronic Technology Co., Ltd. It is encapsulated in black epoxy and is suitable for infrared light sensing. The product features fast response, high photosensitivity, lead-free and environmentally friendly, RoHS and REACH compliant, and is widely used in microswitches, counters and sorters, position sensors, encoders, infrared sensing applications and other fields.