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 146-1624
製造零件編號SFH 309
HK$1.28
個 (以毎袋:2000)
單位
Infrared, Ultraviolet, Visible Light 7µs 7µs 1 - 200nA 24 ° NPN 2 Through Hole 3mm (T-1) 4 x 4 x 5.2mm 15mA -
RS庫存編號 665-5454
製造零件編號SFH 3600-3/4
HK$2.786
/個 (每包:10個)
單位
Infrared, Visible Light 45µs 45µs 1 500µA 50nA 40 ° - 2 Surface Mount - 3.3 x 2.35 x 1.7mm 15mA -
RS庫存編號 184-1084
製造零件編號QSD124
HK$2.26
個 (以毎袋:250)
單位
Infrared 7µs 7µs 1 - 100nA ±12 ° - 2 Through Hole T-1 3/4 6.1 Dia. x 8.77mm 39mA 6.1mm
RS庫存編號 665-5299
製造零件編號BPY 62-4
HK$30.23
/個 (每包:5個)
單位
Infrared, Visible Light 12µs 12µs 1 5800µA 50nA 16 ° NPN 3 Through Hole TO-18 5.6 x 5.6 x 6.2mm 100mA -
RS庫存編號 665-5423
製造零件編號SFH 325 FA-3-Z
HK$3.363
/個 (每包:10個)
單位
Infrared 7µs 7µs 1 50µA 50nA 120 ° NPN 2 Surface Mount PLCC 4.2 x 4.2 x 3.8mm 15mA -
RS庫存編號 171-4867
製造零件編號SDP 8406-002
BrandHoneywell
HK$11.03
單位
- 15µs 15µs 1 3600µA 100nA 50 ° NPN 2 Through Hole Side Looker 4.45 x 2.28 x 5.72mm 36mA -
RS庫存編號 166-1947
製造零件編號QSE114
HK$2.225
個 (以毎袋:500)
單位
Infrared 8µs 8µs 1 - 100nA 25 ° - 2 Through Hole Side Looker 4.44 x 2.54 x 5.08mm 1.50mA -
RS庫存編號 177-4916
製造零件編號PT480FE0000F
BrandSharp
HK$2.118
個 (以毎袋:2000)
單位
Infrared 3.5µs 3µs 1 3000µA 100nA 26 ° NPN 2 Through Hole - 3 x 2.95 x 4mm 20mA -
RS庫存編號 913-3685
製造零件編號SFH 3711
HK$1.823
個 (在毎卷:3000)
單位
Infrared - - - 80µA 3nA ±60 ° NPN 2 Surface Mount Chip LED 2.1 x 0.95 x 1.35mm 20mA -
RS庫存編號 665-5233
製造零件編號BP 103
HK$20.736
/個 (每包:5個)
單位
Infrared, Visible Light 12µs 12µs 1 80µA 50nA 110 ° NPN 3 Through Hole TO-18 5.5 x 5.5 x 3.6mm 100mA -
RS庫存編號 184-6982
製造零件編號1540601NBA500
HK$1.90
個 (在毎卷:4000)
單位
Infrared, Visible Light - - 1 - 100 (Collector Emitter)nA 150 ° NPN 2 Surface Mount 0603 1.6 x 0.8 x 0.8mm 20mA -
RS庫存編號 168-5306
製造零件編號SFH 325 FA-3/4-Z
HK$1.796
個 (在毎卷:2000)
單位
Infrared 7µs 7µs 1 80µA 50nA 120 ° NPN 2 Surface Mount PLCC 4.2 x 4.2 x 3.8mm 15mA -
RS庫存編號 665-5381
製造零件編號SFH 309-5/6
HK$4.19
/個 (每包:10個)
單位
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庫存編號 665-5369
製造零件編號SFH 309 FA-3/4
HK$3.71
/個 (每包:10個)
單位
Infrared 7µs 7µs 1 4500µA 200nA 24 ° NPN 2 Through Hole 3mm (T-1) 4 x 4 x 5.2mm 15mA -
RS庫存編號 915-4866
製造零件編號SFH 3201-2/3-Z
HK$5.643
/個 (每包:20個)
單位
Infrared, Visible Light 24µs 24µs 1 4200µA 200nA 120 ° NPN 6 Surface Mount SMD 4.2 x 3.4 x 2.1mm 50mA -
RS庫存編號 665-5378
製造零件編號SFH 309-4
HK$4.79
/個 (每包:10個)
單位
Infrared, Ultraviolet, Visible Light 7µs 7µs 1 4500µA 200nA 24 ° NPN 2 Through Hole 3mm (T-1) 4 x 4 x 5.2mm 15mA -