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 913-3294
製造零件編號SFH 313 FA
HK$1.557
個 (以毎袋:1000)
單位
Infrared 14µs 14µs 1 - 200nA 20 ° NPN 2 Through Hole 5mm (T-1 3/4) 5.9 x 5.9 x 9mm 50mA -
RS庫存編號 165-2739
製造零件編號VEMT2000X01
BrandVishay
HK$1.897
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 170-2455
製造零件編號PT4800E0000F
BrandSharp
HK$3.178
個 (以毎袋:1000)
單位
- 3.5µs 3µs 1 1000µA 100000nA 70 ° NPN 2 Through Hole Side Looker 3 x 1.5 x 3.5mm 20mA -
RS庫存編號 876-8710
製造零件編號SFH 309 FA-4
HK$2.516
/個 (每包:25個)
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
全新
RS庫存編號 184-7255
製造零件編號1541141NAA570
HK$2.902
/個 (每包:25個)
單位
Infrared, Visible Light - - 1 - 100 (Collector Emitter)nA 150 ° NPN 2 Surface Mount 1104 3 x 1 x 2.02mm 20mA -
RS庫存編號 136-9672
製造零件編號BPX 81-3/4
HK$7.102
/個 (每包:10個)
單位
- 6µs 6µs 1 >400µA 1 (≤ 50)nA ±18 ° NPN 2 Through Hole Miniature Array 2.2 x 2 x 3.45mm 50mA -
全新
RS庫存編號 184-1562
製造零件編號QRD1113
HK$12.022
/個 (每包:10個)
單位
Infrared 50µs 10µs 1 - 100nA - - 4 Through Hole Custom 4L 4.39 x 6.1 x 4.65mm 0.3 (Minimum)mA -
RS庫存編號 806-1763
製造零件編號KDT00030TR
HK$2.93
/個 (每包:20個)
單位
- - - 1 1100µA 100nA - NPN 2 Surface Mount - 1.7 x 0.8 x 0.6mm - -
RS庫存編號 168-5361
製造零件編號BP 103
HK$8.036
個 (以毎袋:1000)
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 178-0647
製造零件編號RPM-20PB
BrandROHM
HK$3.529
/個 (每包:20個)
單位
Visible Light 10µs 10µs - 0.5 (Minimum)mA 0.5µA ±14 ° - 2 Through Hole DIP 4.3 x 3.2 x 4.4mm 30mA -
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 919-0745
製造零件編號TEMT6200FX01
BrandVishay
HK$2.231
個 (在毎卷:3000)
單位
Visible Light - - 1 39µA 50nA 120 ° NPN 2 Surface Mount - 2 x 1.25 x 0.85mm 20mA -
RS庫存編號 665-5246
製造零件編號BPX 38-3
HK$13.884
/個 (每包:5個)
單位
Infrared, Visible Light 18µs 18µs 1 1500µA 100nA 80 ° NPN 3 Through Hole TO-18 5.6 x 5.6 x 5.5mm 50mA -
RS庫存編號 710-3853
製造零件編號TEMT6200FX01
BrandVishay
HK$5.41
/個 (每包:10個)
單位
Visible Light - - 1 39µA 50nA 120 ° NPN 2 Surface Mount - 2 x 1.25 x 0.85mm 20mA -
RS庫存編號 665-5366
製造零件編號SFH 309 FA-5/6
HK$2.568
/個 (每包:10個)
單位
Infrared 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 915-4897
製造零件編號SFH 3605-2/3
HK$3.085
/個 (每包:20個)
單位
Infrared, Visible Light 45µs 45µs 1 320µA 50nA 40 ° - 2 Surface Mount MIDLED 3.3 x 2.35 x 1.7mm 15mA -
RS庫存編號 165-4935
製造零件編號BPW96B
BrandVishay
HK$2.60
個 (以毎袋:1000)
單位
Infrared 2.3µs 2µs - 7500µA 200nA ±20 ° NPN 2 Through Hole 5mm (T-1 3/4) 5 (Dia.) x 8.6mm 50mA 5mm
RS庫存編號 667-5215
製造零件編號PT4800E0000F
BrandSharp
HK$3.02
/個 (每包:10個)
單位
- 3.5µs 3µs 1 1000µA 100000nA 70 ° NPN 2 Through Hole Side Looker 3 x 1.5 x 3.5mm 20mA -
RS庫存編號 171-5420
製造零件編號SML-810TBT86
BrandROHM
HK$1.162
個 (在毎卷:3000)
單位
- - - 1 3.8 0.5µA - NPN 2 Surface Mount SMD 3.4 x 1.25 x 1.1mm 30mA -
RS庫存編號 665-5404
製造零件編號SFH 314 FA
HK$1.73
/個 (每包:20個)
單位
Infrared 14µs 14µs 1 - 200nA 80 ° NPN 2 Through Hole 5mm (T-1 3/4) 5.9 x 5.9 x 6.9mm 50mA -