BUY SFH6186-4 https://www.utsource.net/itm/p/904883.html
GTC0308R28-6P-LC
Description: Phototransistor Features: - High sensitivity - Low dark current - Low capacitance - High speed - High reliability Application: SFH6186-4 phototransistor is used in various applications such as optical switches, light barriers, and optical detection systems. It is also used in automotive, medical, and industrial applications. (For reference only)