Light sensors and optical devices

A compact general purpose photodiode suitable for light detection, communications projects, anywhere you need simple light level detection. Made by Lucky Light, part number LL-304PDC2E, datasheet is...

Coming soon This phototransistor is designed as a direct replacement for CdS photocells. It is has a 5mm diameter flat case just 2.5mm high. Made by Token in Taiwan, part number is PT-A4-AC-5-PN-850.

A compact general purpose phototransistor suitable for light detection, communications projects, anywhere you need simple light level detection. Made by Lucky Light, part number LL-503PTC2E-1AD,...

Popular large area photodiode suitable for light detection, communications projects, and they can even be used as tiny, low power solar cells. Made by Vishay, part number BPW34, datasheet is here.

These CdS photocells are made by Hamamatsu, part number P1241-05. Specs: Dark resistance: 500k Light resistance: 8-24k Max. power: 30mW Size: 5.1(L) x 4.3(W) x 2(H)mm Lead spacing: 3.4mm Datasheet is...

These are one of the most common optoisolators, consisting of a simple LED and phototransistor pair. They feature 5kV of isolation, and either open collector or open emitter operation. Standard 4-pin...

Large area sidelooker photodiode suitable for light detection, communications projects, and they can even be used as tiny, low power solar cells. Made by Osram, part number SFH206K, datasheet is here.

Coming soon This phototransistor includes an integrated infrared and UV filter, so it only responds to visible light in the 400nm to 700nm range. It is designed to eliminate false triggering of...