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. 168-5553
Mfr. Part No.SFH 309 FA-4
SGD0.292
Each (In a Bag of 2000)
units
Infrared 7µs 7µs 1 4500µA 1 (≤ 50)nA ±12 ° NPN 2 Through Hole 3mm (T-1) 3.1 (Dia.) x 5.2mm 15mA 3.1mm
RS Stock No. 876-8710
Mfr. Part No.SFH 309 FA-4
SGD0.772
Each (In a Pack of 25)
units
Infrared 7µs 7µs 1 4500µA 1 (≤ 50)nA ±12 ° NPN 2 Through Hole 3mm (T-1) 3.1 (Dia.) x 5.2mm 15mA 3.1mm
RS Stock No. 708-2810
Mfr. Part No.BPW77NB
BrandVishay
SGD5.242
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. 145-1931
Mfr. Part No.BPW77NB
BrandVishay
SGD2.31
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. 908-7037
Mfr. Part No.OP805SL
BrandOptek
SGD3.652
Each (In a Pack of 10)
units
Infrared 7µs 7µs 1 - 100nA - NPN 3 Through Hole TO-18 5.84 (Dia.) x 6.86 Hmm 50mA 5.84mm
RS Stock No. 700-0767
Mfr. Part No.TEMT7100X01
BrandVishay
SGD1.102
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. 145-1923
Mfr. Part No.TEPT4400
BrandVishay
SGD0.443
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. 165-2333
Mfr. Part No.TEMT7100X01
BrandVishay
SGD0.452
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. 654-8255
Mfr. Part No.BP 103-3/4
SGD3.386
Each (In a Pack of 5)
units
Infrared, Visible Light 12µs 12µs 1 950µA 50nA 110 ° NPN 3 Through Hole TO-18 5.5 x 5.5 x 3.6mm 100mA -
RS Stock No. 700-0776
Mfr. Part No.TEPT4400
BrandVishay
SGD0.722
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. 912-8560
Mfr. Part No.SFH 314 FA-2/3
SGD0.372
Each (In a Bag of 1000)
units
Infrared 14µs 14µs 1 8600µA 200nA 80 ° NPN 2 Through Hole T-1 3/4 5.9 x 5.9 x 6.9mm 50mA -
RS Stock No. 654-8867
Mfr. Part No.SFH 314 FA-2/3
SGD0.819
Each (In a Pack of 10)
units
Infrared 14µs 14µs 1 8600µA 200nA 80 ° NPN 2 Through Hole 5mm (T-1 3/4) 5.9 x 5.9 x 6.9mm 50mA -
RS Stock No. 168-5301
Mfr. Part No.BP 103-3/4
SGD1.27
Each (On a Tape of 1000)
units
Infrared, Visible Light 12µs 12µs 1 950µA 50nA 110 ° NPN 3 Through Hole TO-18 5.5 x 5.5 x 3.6mm 100mA -
RS Stock No. 912-8514
Mfr. Part No.SFH 309 FA-4/5
SGD0.25
Each (In a Bag of 2000)
units
Infrared 7µs 7µs 1 7200µA 200nA 24 ° NPN 2 Through Hole T-1 4 x 4 x 5.2mm 15mA -
RS Stock No. 665-5381
Mfr. Part No.SFH 309-5/6
SGD0.772
Each (In a Pack of 10)
units
Infrared, Ultraviolet, Visible Light 7µs 7µs 1 11200µA 200nA 24 ° NPN 2 Through Hole 3mm (T-1) 4 x 4 x 5.2mm 15mA -
RS Stock No. 168-5378
Mfr. Part No.SFH 309-5/6
SGD0.271
Each (In a Bag of 2000)
units
Infrared, Ultraviolet, Visible Light 7µs 7µs 1 11200µA 200nA 24 ° NPN 2 Through Hole 3mm (T-1) 4 x 4 x 5.2mm 15mA -
RS Stock No. 654-8019
Mfr. Part No.SFH 309 FA-4/5
SGD0.649
Each (In a Pack of 10)
units
Infrared 7µs 7µs 1 7200µA 200nA 24 ° NPN 2 Through Hole 3mm (T-1) 4 x 4 x 5.2mm 15mA -
RS Stock No. 168-5379
Mfr. Part No.SFH 313 FA-3/4
SGD0.372
Each (In a Bag of 1000)
units
Infrared 14µs 14µs 1 12500µA 200nA 20 ° NPN 2 Through Hole 5mm (T-1 3/4) 5.9 x 5.9 x 9mm 50mA -
RS Stock No. 665-5390
Mfr. Part No.SFH 313 FA-3/4
SGD0.871
Each (In a Pack of 10)
units
Infrared 14µs 14µs 1 12500µA 200nA 20 ° NPN 2 Through Hole 5mm (T-1 3/4) 5.9 x 5.9 x 9mm 50mA -
RS Stock No. 177-4916
Mfr. Part No.PT480FE0000F
BrandSharp
SGD0.443
Each (In a Bag of 2000)
units
Infrared 3.5µs 3µs 1 3000µA 100nA 26 ° NPN 2 Through Hole - 3 x 2.95 x 4mm 20mA -
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