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 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 146-0737
製造零件編號PT100MF0MP
BrandSharp
HK$1.537
個 (在毎卷:2000)
單位
Infrared 6µs 5µs 1 3.45mA 100nA ±15 ° Positive 2 Surface Mount SMD 3 x 1.5 x 2.2mm 20mA -
RS庫存編號 665-5413
製造零件編號SFH 320-3-Z
HK$2.232
/個 (每包:10個)
單位
Infrared, Visible Light 7µs 7µs 1 650µA 50nA 120 ° NPN 2 Surface Mount PLCC 3.4 x 3 x 2mm 15mA -
RS庫存編號 171-5580
製造零件編號RPT-38PB3F
BrandROHM
HK$3.323
/個 (每包:20個)
單位
Visible Light - - 1 2 (Minimum)mA 0.5µA ±36 ° NPN 2 Through Hole DIP 3.4 (Dia.) x 5.2mm 30mA 3.4mm
RS庫存編號 184-1423
製造零件編號QSD123
HK$2.815
/個 (每包:25個)
單位
Infrared 7µs 7µs 1 - 100nA ±12 ° - 2 Through Hole T-1 3/4 6.1 Dia. x 8.77mm 16mA 6.1mm
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 168-5553
製造零件編號SFH 309 FA-4
HK$1.418
個 (以毎袋:2000)
單位
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庫存編號 665-5401
製造零件編號SFH 320 FA-4-Z
HK$2.225
/個 (每包:10個)
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 170-9646
製造零件編號SFH 3211 FA-3/4-Z
HK$1.911
個 (在毎卷:2000)
單位
Infrared 7µs 7µs 1 1000µA 200nA 120 ° NPN 2 Surface Mount SMD 3.4 x 3 x 2mm 15mA -
RS庫存編號 184-6987
製造零件編號1541201NEA400
HK$1.807
個 (在毎卷:3000)
單位
Infrared - - 1 - 100 (Collector Emitter)nA 140 ° NPN 2 Surface Mount 1206 3.2 x 1.6 x 1.1mm 20mA -
RS庫存編號 912-8551
製造零件編號SFH 3100 F
HK$1.72
個 (以毎袋:2000)
單位
Infrared 9µs 7µs 1 400µA 50nA 28 ° NPN 2 Through Hole 3 mm 3.1 x 2.2 x 4.1mm 50mA -
RS庫存編號 168-5375
製造零件編號SFH 309 FA-3/4
HK$1.33
個 (以毎袋:2000)
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 168-5320
製造零件編號SFH 3400-2/3-Z
HK$3.921
個 (在毎卷:2000)
單位
Infrared, Visible Light 24µs 24µs 1 2600µA 100nA 120 ° NPN 3 Surface Mount DIP 2.1 x 2.7 x 1.05mm 50mA -
RS庫存編號 170-9650
製造零件編號SFH 3400-Z
HK$3.759
個 (在毎卷:2000)
單位
Infrared, Visible Light 24µs 24µs 1 - 100nA 120 ° NPN 3 Surface Mount DIP 2.1 x 2.7 x 1.05mm 50mA -
RS庫存編號 136-9671
製造零件編號BPX 81-3/4
HK$4.55
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 912-8567
製造零件編號SFH 309-4/5
HK$1.216
個 (以毎袋:2000)
單位
Infrared, Ultraviolet, Visible Light 7µs 7µs 1 7200µA 200nA 24 ° NPN 2 Through Hole T-1 4 x 4 x 5.2mm 15mA -
RS庫存編號 805-0517
製造零件編號QSB363
HK$1.954
/個 (每包:20個)
單位
Infrared 15µs 15µs 1 - 100nA 12 ° - 2 Surface Mount Subminiature 2.7 x 2.2 x 3mm 1.5mA -
RS庫存編號 908-7097
製造零件編號OPB710
BrandOptek
HK$50.26
單位
- - - - - - - - - - - - - -
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 665-5381
製造零件編號SFH 309-5/6
HK$1.886
/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 -