Phototransistors
A Phototransistor is a two-lead or three-lead semiconductor that is more sensitive than a photodiode. It senses light levels and uses them to alter currents to create an electrical signal.
The bipolar semiconductor is can be made from silicon or another semi-conductive material.
How do Phototransistors work?
Once detection of light such as IR (infrared), visible light or UV (U...
Showing 1-20 of 216 products
![1540601NBA500 Wurth Elektronik, WL-STCW 150 ° IR + Visible Light Phototransistor, Surface Mount 2-Pin 0603 package](https://media.rs-online.com/t_medium/Y1846982-01.jpg)
SR 5,244.00
SR 1.311 Each (On a Reel of 4000) (ex VAT)
Check stock
4000
![1540601NEA200 Wurth Elektronik, WL-STCB 120 ° IR Phototransistor, Through Hole 2-Pin 0603 (0201) package](https://media.rs-online.com/t_medium/Y2151767-01.jpg)
SR 7,360.00
SR 1.472 Each (On a Reel of 5000) (ex VAT)
Check stock
5000
![1540801NBA300 Wurth Elektronik, WL-STCW 130 ° IR Phototransistor, Through Hole 2-Pin 0805 package](https://media.rs-online.com/t_medium/Y2151775-01.jpg)
SR 4,784.00
SR 1.196 Each (On a Reel of 4000) (ex VAT)
Check stock
4000
![1541201NBA300 Wurth Elektronik, WL-STCW 130 ° IR Phototransistor, Through Hole 2-Pin 1206 package](https://media.rs-online.com/t_medium/Y2151787-01.jpg)
SR 3,588.00
SR 1.196 Each (On a Reel of 3000) (ex VAT)
Check stock
3000
![1541411NEA210 Wurth Elektronik, WL-STTB 120 ° IR Phototransistor, Surface Mount 2-Pin 3528 package](https://media.rs-online.com/t_medium/R1846984-01.jpg)
SR 3,358.00
SR 1.679 Each (On a Reel of 2000) (ex VAT)
Check stock
2000
![1541201NEA400 Wurth Elektronik, WL-STCB 140 ° IR Phototransistor, Surface Mount 2-Pin 1206 package](https://media.rs-online.com/t_medium/Y1846987-01.jpg)
SR 3,933.00
SR 1.311 Each (On a Reel of 3000) (ex VAT)
Check stock
3000
![1541411NBA210 Wurth Elektronik, WL-STTW 120 ° IR + Visible Light Phototransistor, Surface Mount 2-Pin 3528 package](https://media.rs-online.com/t_medium/R1846983-01.jpg)
SR 2,139.00
SR 1.07 Each (On a Reel of 2000) (ex VAT)
Check stock
2000
![1541201NC3060 Wurth Elektronik, WL-STRB 30 ° IR Phototransistor, Surface Mount 2-Pin 1206 package](https://media.rs-online.com/t_medium/R1846985-01.jpg)
SR 2,622.00
SR 1.311 Each (On a Reel of 2000) (ex VAT)
Check stock
2000
![1541201NC3060 Wurth Elektronik, WL-STRB 30 ° IR Phototransistor, Surface Mount 2-Pin 1206 package](https://media.rs-online.com/t_medium/R1847228-01.jpg)
SR 63.82
SR 2.553 Each (In a Pack of 25) (ex VAT)
Check stock
25
SR 75.21
SR 7.521 Each (In a Pack of 10) (ex VAT)
Check stock
10
![1540032NA3090 Wurth Elektronik, WL-TTRW 30 ° IR Phototransistor, Through Hole 2-Pin 3mm (T-1) package](https://media.rs-online.com/t_medium/Y2151760-01.jpg)
SR 874.00
SR 1.748 Each (On a Reel of 500) (ex VAT)
Check stock
500
![1540052NA3090 Wurth Elektronik, WL-TTRB 30 ° IR Phototransistor, Through Hole 2-Pin 5mm (T-1 3/4) package](https://media.rs-online.com/t_medium/Y2151765-01.jpg)
SR 713.00
SR 1.426 Each (On a Reel of 500) (ex VAT)
Check stock
500
![1540051NC2590 Wurth Elektronik, WL-TTRB 25 ° IR Phototransistor, Through Hole 2-Pin 5mm (T-1 3/4) package](https://media.rs-online.com/t_medium/Y2151763-01.jpg)
SR 902.75
SR 1.806 Each (On a Reel of 500) (ex VAT)
Check stock
500
SR 77.97
SR 7.797 Each (In a Pack of 10) (ex VAT)
Check stock
10
SR 32.78
SR 6.555 Each (In a Pack of 5) (ex VAT)
Check stock
5
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