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

307 Products showing for Phototransistors

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In Stock
SFH 325 FA-3/4 ams OSRAM SIDELED 120 ° Infrared Phototransistor, Surface 2-Pin PLCC package
  • RS stock no. 654-8491
  • Mfr. Part No. SFH 325 FA-3/4
Subtotal (1 pack of 10 units)
R 75,52(exc. VAT)
R 7,552/unit
Currently unavailable
SFH 309 FA-4 ams OSRAM SFH 309 FA ±12 ° Infrared Phototransistor, Through Hole 2-Pin 3 mm (T-1) package
  • RS stock no. 876-8710
  • Mfr. Part No. SFH 309 FA-4
Subtotal (1 pack of 25 units)
R 146,625(exc. VAT)
R 5,865/unit
Last RS stock
SFH 310-2/3 ams OSRAM Radial T1 50 ° Infrared, Visible Light Phototransistor, Through Hole 2-Pin 3 mm (T-1) package
  • RS stock no. 654-8542
  • Mfr. Part No. SFH 310-2/3
Subtotal (1 pack of 10 units)
R 73,38(exc. VAT)
R 7,338/unit
In Stock
ams OSRAM SFH 313 FA 20 ° Infrared Phototransistor, Through Hole 2-Pin 5 mm (T-1 3/4) package
  • RS stock no. 654-8536P
  • Mfr. Part No. SFH 313 FA-2/3
Subtotal 10 units (supplied as a tape)
R 94,52(exc. VAT)
R 9,452/unit
In Stock
Optek OP593 Infrared Phototransistor, Through Hole 2-Pin TO-18 package
  • RS stock no. 234-0978
  • Mfr. Part No. OP593B
Subtotal (1 unit)
R 12,98(exc. VAT)
R 12,98/unit
In Stock
BPW77NB Vishay BPW77NB 20 ° Visible Light, Infrared Phototransistor, Through Hole 3-Pin TO-18 package
  • RS stock no. 708-2810
  • Mfr. Part No. BPW77NB
Subtotal (1 bag of 5 units)
R 301,03(exc. VAT)
R 60,206/unit
In Stock
TEPT4400 Vishay TEPT 60 ° Visible Light Phototransistor, Through Hole 2-Pin 3 mm (T-1) package
  • RS stock no. 700-0776
  • Mfr. Part No. TEPT4400
Subtotal (1 pack of 10 units)
R 56,08(exc. VAT)
R 5,608/unit
In Stock
1540052NA3090 Wurth Elektronik WL-TTRB 30 ° Infrared Phototransistor, Through Hole 2-Pin 5 mm package
  • RS stock no. 215-1766
  • Mfr. Part No. 1540052NA3090
Subtotal (1 pack of 25 units)
R 144,75(exc. VAT)
R 5,79/unit
In Stock
ams OSRAM SFH 313 FA 20 ° Infrared Phototransistor, Through Hole 2-Pin 5 mm (T-1 3/4) package
  • RS stock no. 665-5390P
  • Mfr. Part No. SFH 313 FA-3/4
Subtotal 10 units (supplied in a bag)
R 93,55(exc. VAT)
R 9,355/unit
In Stock
SFH 313 FA ams OSRAM 20 ° Infrared Phototransistor, Through Hole 2-Pin 5 mm (T-1 3/4) package
  • RS stock no. 665-5397P
  • Mfr. Part No. SFH 313 FA
Subtotal 20 units (supplied in a bag)
R 160,32(exc. VAT)
R 8,016/unit
In Stock
TEPT5700 Vishay TEPT5700 ±50 ° Visible Light Phototransistor T-1 3/4 package
  • RS stock no. 257-6878
  • Mfr. Part No. TEPT5700
Subtotal (1 unit)
R 10,54(exc. VAT)
R 10,54/unit
In Stock
Vishay BPW77NB 20 ° Visible Light, Infrared Phototransistor, Through Hole 3-Pin TO-18 package
  • RS stock no. 708-2810P
  • Mfr. Part No. BPW77NB
Subtotal 5 units (supplied in a bag)
R 301,03(exc. VAT)
R 60,206/unit
Last RS stock
ams OSRAM SFH 310 FA 50 ° Infrared Phototransistor, Through Hole 2-Pin 3 mm (T-1) package
  • RS stock no. 665-5388P
  • Mfr. Part No. SFH 310 FA
Subtotal 20 units (supplied in a bag)
R 144,22(exc. VAT)
R 7,211/unit
Currently unavailable
SFH 309 ams OSRAM, 24 ° Full Spectrum Phototransistor, Through Hole 2-Pin 3mm (T-1) package
  • RS stock no. 665-5356
  • Mfr. Part No. SFH 309
Subtotal (1 pack of 20 units)
R 44,40(exc. VAT)
R 2,22/unit
In Stock
TEPT5600 Vishay TEPT 40 ° Visible Light, Infrared Phototransistor, Through Hole 2-Pin 5 mm (T-1 3/4) package
  • RS stock no. 700-0779
  • Mfr. Part No. TEPT5600
Subtotal (1 pack of 10 units)
R 86,87(exc. VAT)
R 8,687/unit
In Stock
onsemi Infrared Phototransistor, Through Hole 4-Pin Custom 4L package
  • RS stock no. 184-1403P
  • Mfr. Part No. QRD1114
Subtotal 10 units (supplied in a bag)
R 195,10(exc. VAT)
R 19,51/unit
Being discontinued
ams OSRAM 24 ° Ultraviolet, Infrared, Visible Light Phototransistor, Through Hole 2-Pin 3 mm (T-1) package
  • RS stock no. 665-5381P
  • Mfr. Part No. SFH 309-5/6
Subtotal 10 units (supplied in a bag)
R 67,51(exc. VAT)
R 6,751/unit
Currently unavailable
ams OSRAM 150 ° Infrared, Ultraviolet, Visible Light Phototransistor, Through Hole 2-Pin 3 mm (T-1) package
  • RS stock no. 654-7808P
  • Mfr. Part No. SFH 3310
Subtotal 5 units (supplied as a tape)
R 86,50(exc. VAT)
R 17,30/unit
In Stock
1541141NAA570 Wurth Elektronik WL-STSW 150 ° Visible Light, Infrared Phototransistor, Surface 2-Pin 1104 package
  • RS stock no. 184-7255
  • Mfr. Part No. 1541141NAA570
Subtotal (1 pack of 25 units)
R 156,225(exc. VAT)
R 6,249/unit
In Stock
OPB710 Optek OPB710 Visible Light Phototransistor 4-Pin TO-72 package
  • RS stock no. 908-7097
  • Mfr. Part No. OPB710
Subtotal (1 unit)
R 188,43(exc. VAT)
R 188,43/unit
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