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庫存編號 700-0776
製造零件編號TEPT4400
BrandVishay
HK$3.006
/個 (每包:10個)
單位
Visible Light - - 1 200µA 50nA 60 ° - 2 Through Hole 3mm (T-1) 3.2 x 3.2 x 4.5mm 20mA -
RS庫存編號 145-1923
製造零件編號TEPT4400
BrandVishay
HK$2.178
個 (以毎袋:1000)
單位
Visible Light - - 1 200µA 50nA 60 ° - 2 Through Hole 3mm (T-1) 3.2 x 3.2 x 4.5mm 20mA -
RS庫存編號 168-5310
製造零件編號SFH 310-2/3
HK$1.45
Each (On a Tape of 2000)
單位
Infrared, Visible Light 12µs 12µs 1 4800µA 50nA 50 ° NPN 2 Through Hole 3mm (T-1) 3.4 x 3.4 x 4.8mm 50mA -
RS庫存編號 912-8532
製造零件編號SFH 3204-Z
HK$2.698
個 (在毎卷:3000)
單位
Infrared, Visible Light 7µs 7µs 1 1000µA 50nA 120 ° NPN 2 Surface Mount PLCC 3.4 x 3 x 2mm 15mA -
RS庫存編號 654-8542
製造零件編號SFH 310-2/3
HK$1.901
/個 (每包:10個)
單位
Infrared, Visible Light 12µs 12µs 1 4800µA 50nA 50 ° NPN 2 Through Hole 3mm (T-1) 3.4 x 3.4 x 4.8mm 50mA -
RS庫存編號 654-8441
製造零件編號SFH 3204-Z
HK$3.687
/個 (每包:10個)
單位
Infrared, Visible Light 7µs 7µs 1 1000µA 50nA 120 ° NPN 2 Surface Mount PLCC 3.4 x 3 x 2mm 15mA -
RS庫存編號 654-7993
製造零件編號LPT 80A
HK$3.131
/個 (每包:10個)
單位
Infrared, Visible Light 10µs 10µs 1 3200µA 3nA 70 ° NPN 2 Through Hole Side Looker 4.57 x 2.54 x 5.84mm 50mA -
RS庫存編號 170-9651
製造零件編號SFH 3710-Z
HK$2.615
個 (在毎卷:3000)
單位
Infrared, Ultraviolet, Visible Light - - 1 12.5µA 3nA 120 ° NPN 2 Surface Mount SMD 2.1 x 1.35 x 0.9mm 20mA -
RS庫存編號 915-4890
製造零件編號SFH 3710-Z
HK$4.958
/個 (每包:20個)
單位
Infrared, Ultraviolet, Visible Light - - 1 12.5µA 3nA 120 ° NPN 2 Surface Mount SMD 2.1 x 1.35 x 0.9mm 20mA -
RS庫存編號 654-7808
製造零件編號SFH 3310
HK$7.248
/個 (每包:5個)
單位
Infrared, Ultraviolet, Visible Light - - 1 8µA 3nA 150 ° NPN 2 Through Hole 3mm (T-1) 4 x 4 x 3.1mm 20mA -
RS庫存編號 912-8504
製造零件編號SFH 3310
HK$2.97
個 (以毎袋:2000)
單位
Infrared, Ultraviolet, Visible Light - - 1 8µA 3nA 150 ° NPN 2 Through Hole T-1 4 x 4 x 3.1mm 20mA -
RS庫存編號 168-5289
製造零件編號LPT 80A
HK$2.15
個 (以毎盒:2000)
單位
Infrared, Visible Light 10µs 10µs 1 3200µA 3nA 70 ° NPN 2 Through Hole Side Looker 4.57 x 2.54 x 5.84mm 50mA -
RS庫存編號 654-8019
製造零件編號SFH 309 FA-4/5
HK$2.26
/個 (每包:10個)
單位
Infrared 7µs 7µs 1 7200µA 200nA 24 ° NPN 2 Through Hole 3mm (T-1) 4 x 4 x 5.2mm 15mA -
RS庫存編號 195-849
製造零件編號SDP8436-003
BrandHoneywell
HK$17.46
單位
- 15µs 15µs 1 17500µA 100nA 18 ° NPN 2 Through Hole Side Looker 4.57 x 4.29 x 3.3mm - -
RS庫存編號 665-5372
製造零件編號SFH 309-5
HK$1.949
/個 (每包:10個)
單位
Infrared, Ultraviolet, Visible Light 7µs 7µs 1 7200µA 200nA 24 ° NPN 2 Through Hole 3mm (T-1) 4 x 4 x 5.2mm 15mA -
RS庫存編號 654-8031
製造零件編號SFH 300-3/4
HK$1.959
/個 (每包:10個)
單位
Infrared, Visible Light 10µs 10µs 1 7700µA 50nA 50 ° NPN 2 Through Hole 5mm (T-1 3/4) 5.9 x 5.9 x 9mm 50mA -
RS庫存編號 912-8514
製造零件編號SFH 309 FA-4/5
HK$1.33
個 (以毎袋:2000)
單位
Infrared 7µs 7µs 1 7200µA 200nA 24 ° NPN 2 Through Hole T-1 4 x 4 x 5.2mm 15mA -
RS庫存編號 168-5376
製造零件編號SFH 309-5
HK$1.605
個 (以毎袋:2000)
單位
Infrared, Ultraviolet, Visible Light 7µs 7µs 1 7200µA 200nA 24 ° NPN 2 Through Hole 3mm (T-1) 4 x 4 x 5.2mm 15mA -
RS庫存編號 168-5291
製造零件編號SFH 300-3/4
HK$1.657
Each (On a Tape of 1000)
單位
Infrared, Visible Light 10µs 10µs 1 7700µA 50nA 50 ° NPN 2 Through Hole 5mm (T-1 3/4) 5.9 x 5.9 x 9mm 50mA -
RS庫存編號 710-4926
製造零件編號TEMT1020
BrandVishay
HK$3.147
/個 (每包:10個)
單位
Infrared 2.3µs 2µs 1 7000µA 200nA 30 ° NPN 2 Surface Mount Subminiature 2.5 x 2 x 2.7mm 50mA -