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 168-5167
製造零件編號SFH 3010-Z
HK$1.809
個 (在毎卷:5000)
單位
Infrared, Visible Light 7µs 7µs 1 25µA 50nA 160 ° NPN 2 Surface Mount - 1.3 x 0.8 x 0.65mm 15mA -
RS庫存編號 539-858
製造零件編號SFH 3410-3/4-Z
HK$3.898
/個 (每包:5個)
單位
Infrared, Ultraviolet, Visible Light - - 1 25µA 3nA 120 ° NPN 3 Surface Mount DIP 2.1 x 2.7 x 1.05mm 20mA -
RS庫存編號 168-5426
製造零件編號SFH 3015 FA
HK$1.961
個 (在毎卷:1500)
單位
Infrared 7µs 7µs - - 2nA 13 ° - - Surface Mount Side Looker 3 x 1.4 x 2.41mm 15mA -
RS庫存編號 876-8704
製造零件編號BPX 43-4
HK$13.608
/個 (每包:5個)
單位
Infrared 15µs 15µs 1 9500µA 20 (≤ 100)nA ±15 ° NPN 3 Through Hole TO-18 4.8 (Dia.) x 6.2mm 50mA 4.8mm
RS庫存編號 802-3326
製造零件編號QSE114
HK$2.135
/個 (每包:20個)
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 136-9671
製造零件編號BPX 81-3/4
HK$5.25
個 (以毎袋:1000)
單位
- 6µs 6µs 1 >400µA 1 (≤ 50)nA ±18 ° NPN 2 Through Hole Miniature Array 2.2 x 2 x 3.45mm 50mA -
RS庫存編號 170-9648
製造零件編號SFH 325-3-Z
HK$2.269
個 (在毎卷:2000)
單位
Infrared, Visible Light 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 654-8873
製造零件編號SFH 320-3/4-Z
HK$2.123
/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 170-9649
製造零件編號SFH 325-4-Z
HK$2.269
個 (在毎卷:2000)
單位
Infrared, Visible Light 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 165-2334
製造零件編號VEMT2020X01
BrandVishay
HK$1.828
個 (在毎卷:6000)
單位
Infrared - - 1 9000µA 100nA 30 ° NPN 2 Surface Mount - 2.3 x 2.3 x 2.77mm 50mA -
RS庫存編號 177-5956
製造零件編號PT481E00000F
BrandSharp
HK$3.368
毎管:50 個
單位
- 70µs 80µs 1 25000µA 1000nA 26 ° NPN 2 Through Hole Side Looker 3 x 2.95 x 4mm 50mA -
RS庫存編號 654-9163
製造零件編號SFH 305-2/3
HK$9.488
/個 (每包:5個)
單位
Infrared, Visible Light 6µs 6µs 1 1900µA 50nA 32 ° NPN 2 Through Hole - 2.1 x 1.15 x 3.6mm 50mA -
全新
RS庫存編號 184-7228
製造零件編號1541201NC3060
HK$2.902
/個 (每包:25個)
單位
Infrared - - 1 - 100 (Collector Emitter)nA 30 ° NPN 2 Surface Mount 1206 3.2 x 1.6 x 1.85mm 20mA -
RS庫存編號 159-6490
製造零件編號BPW96C
BrandVishay
HK$2.225
個 (以毎袋:1000)
單位
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庫存編號 665-5233
製造零件編號BP 103
HK$22.502
/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 168-5318
製造零件編號SFH 320 FA-3/4-Z
HK$1.598
個 (在毎卷:2000)
單位
Infrared 7µs 7µs 1 1000µA 50nA 120 ° NPN 2 Surface Mount PLCC 3.4 x 3 x 2mm 15mA -
RS庫存編號 700-0779
製造零件編號TEPT5600
BrandVishay
HK$3.462
/個 (每包:10個)
單位
Infrared, Visible Light - - 1 - 50nA 40 ° NPN 2 Through Hole 5mm (T-1 3/4) 5.75 x 5.75 x 8mm 20mA -
RS庫存編號 168-7390
製造零件編號PS1195WB
HK$1.817
個 (在毎卷:4000)
單位
Infrared 9µs 8µs 1 7000µA 0.1µA 45 ° NPN 2 Surface Mount - 3.2 x 1.6 x 1.85mm 20mA -
RS庫存編號 654-8867
製造零件編號SFH 314 FA-2/3
HK$2.304
/個 (每包:10個)
單位
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庫存編號 665-5356
製造零件編號SFH 309
HK$2.025
/個 (每包:20個)
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 -