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 (Ultraviolet) is successful, the device will alter a current flowing between an emitter and collector, depending on the light and level of intensity it receives.
Features and Benefits
• Reflow surface-mounting support
• Small, ultra-thin
• High sensitivity
• Electromagnetic noise resistance
• High linearity
• Produce a higher current than photodiodes
Where might I use a Phototransistor?
A photo transistor can be used in many different devices and applications such as:
• Photo interrupters
• Industrial electronics
• Human detection devices
• TV
• Air conditioning
• Digital photo-frames
• PCs or Laptops
• Automatic switches (lighting equipment)
• IP cameras
• Security devices
• Home electronics

...
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Description Price Spectrums Detected Typical Fall Time Typical Rise Time Number of Channels Maximum Light Current Maximum Dark Current Angle of Half Sensitivity Polarity Number of Pins Mounting Type Package Type Dimensions Collector Current Diameter
RS Stock No. 145-1931
Mfr. Part No.BPW77NB
BrandVishay
TWD51.60
Each (In a Bag of 1000)
units
Infrared, Visible Light 5µs 6µs 1 20000µA 100nA 20 ° NPN 3 Through Hole TO-18 5.5 x 5.5 x 6.15mm 50mA -
RS Stock No. 708-2810
Mfr. Part No.BPW77NB
BrandVishay
TWD116.00
Each (In a Bag of 5)
units
Infrared, Visible Light 5µs 6µs 1 20000µA 100nA 20 ° NPN 3 Through Hole TO-18 5.5 x 5.5 x 6.15mm 50mA -
RS Stock No. 700-0776
Mfr. Part No.TEPT4400
BrandVishay
TWD15.90
Each (In a Pack of 10)
units
Visible Light - - 1 200µA 50nA 60 ° - 2 Through Hole 3mm (T-1) 3.2 x 3.2 x 4.5mm 20mA -
RS Stock No. 145-1923
Mfr. Part No.TEPT4400
BrandVishay
TWD7.60
Each (In a Bag of 1000)
units
Visible Light - - 1 200µA 50nA 60 ° - 2 Through Hole 3mm (T-1) 3.2 x 3.2 x 4.5mm 20mA -
RS Stock No. 165-2383
Mfr. Part No.TEPT5600
BrandVishay
TWD8.20
Each (In a Bag of 4000)
units
Infrared, Visible Light - - 1 - 50nA 40 ° NPN 2 Through Hole 5mm (T-1 3/4) 5.75 x 5.75 x 8mm 20mA -
RS Stock No. 165-6188
Mfr. Part No.BPW77NA
BrandVishay
TWD50.60
Each (In a Bag of 1000)
units
Infrared, Visible Light 5µs 6µs 1 15000µA 100nA ±10 ° NPN 3 Through Hole TO-18 4.69 x 6.15mm 50mA 4.69mm
RS Stock No. 815-1250
Mfr. Part No.BPW77NA
BrandVishay
TWD117.00
Each (In a Pack of 5)
units
Infrared, Visible Light 5µs 6µs 1 15000µA 100nA ±10 ° NPN 3 Through Hole TO-18 4.69 x 6.15mm 50mA 4.69mm
RS Stock No. 700-0779
Mfr. Part No.TEPT5600
BrandVishay
TWD15.10
Each (In a Pack of 10)
units
Infrared, Visible Light - - 1 - 50nA 40 ° NPN 2 Through Hole 5mm (T-1 3/4) 5.75 x 5.75 x 8mm 20mA -
RS Stock No. 159-6490
Mfr. Part No.BPW96C
BrandVishay
TWD10.20
Each (In a Bag of 1000)
units
Infrared, Visible Light 2.3µs 2µs 1 15000µA 200nA 40 ° NPN 2 Through Hole 5mm (T-1 3/4) 5.75 x 5.75 x 8.6mm 50mA -
RS Stock No. 700-0767
Mfr. Part No.TEMT7100X01
BrandVishay
TWD20.30
Each (In a Pack of 10)
units
Infrared - - 1 675µA 100nA 120 ° NPN 2 Surface Mount - 2 x 1.25 x 0.85mm 20mA -
RS Stock No. 165-2333
Mfr. Part No.TEMT7100X01
BrandVishay
TWD9.40
Each (On a Reel of 3000)
units
Infrared - - 1 675µA 100nA 120 ° NPN 2 Surface Mount - 2 x 1.25 x 0.85mm 20mA -
RS Stock No. 708-2822
Mfr. Part No.BPW96C
BrandVishay
TWD25.80
Each (In a Bag of 10)
units
Infrared, Visible Light 2.3µs 2µs 1 15000µA 200nA 40 ° NPN 2 Through Hole 5mm (T-1 3/4) 5.75 x 5.75 x 8.6mm 50mA -
RS Stock No. 165-2739
Mfr. Part No.VEMT2000X01
BrandVishay
TWD8.40
Each (On a Reel of 6000)
units
Infrared - - 1 9000µA 100nA 30 ° NPN 2 Surface Mount - 2.3 x 2.3 x 2.77mm 50mA -
RS Stock No. 710-3853
Mfr. Part No.TEMT6200FX01
BrandVishay
TWD22.30
Each (In a Pack of 10)
units
Visible Light - - 1 39µA 50nA 120 ° NPN 2 Surface Mount - 2 x 1.25 x 0.85mm 20mA -
RS Stock No. 768-9417
Mfr. Part No.VEMT2520X01
BrandVishay
TWD21.70
Each (In a Bag of 10)
units
Infrared, Visible Light - - 1 9000µA 100nA ±15 ° - 2 Surface Mount Subminiature 2.3 x 2.3 x 2.77mm 50mA -
RS Stock No. 145-1922
Mfr. Part No.BPW85A
BrandVishay
TWD7.10
Each (In a Bag of 1000)
units
Infrared, Visible Light 2.3µs 2µs 1 - 200nA 50 ° NPN 2 Through Hole 3mm (T-1) 3.4 x 3.4 x 4.5mm 50mA -
RS Stock No. 815-1248
Mfr. Part No.BPW76A
BrandVishay
TWD113.80
Each (In a Pack of 5)
units
Infrared, Visible Light 5µs 6µs 1 800µA 100nA ±40 ° NPN 3 Through Hole TO-18 4.7 x 5.2mm 50mA 4.7mm
RS Stock No. 919-0745
Mfr. Part No.TEMT6200FX01
BrandVishay
TWD14.60
Each (On a Reel of 3000)
units
Visible Light - - 1 39µA 50nA 120 ° NPN 2 Surface Mount - 2 x 1.25 x 0.85mm 20mA -
RS Stock No. 710-4922
Mfr. Part No.TEMT1000
BrandVishay
TWD22.90
Each (In a Pack of 10)
units
Infrared 2.3µs 2µs 1 7000µA 200nA 30 ° NPN 2 Surface Mount Subminiature 2.5 x 2 x 2.7mm 50mA -
RS Stock No. 165-6187
Mfr. Part No.BPW76A
BrandVishay
TWD51.60
Each (In a Bag of 1000)
units
Infrared, Visible Light 5µs 6µs 1 800µA 100nA ±40 ° NPN 3 Through Hole TO-18 4.7 x 5.2mm 50mA 4.7mm