Photodiodes

Photodiodes are used in an array of every day electronic devices such as camera's, smoke detectors, burglar alarms, safety equipment, medical applications, CD players and surveying instruments to name a few.

What is a photodiode?

They are used as light sensors or detectors. When light reaches a photodiode, this is converted to electrical energy in the form of an electric current. The photocurrent that is produced is proportional to the amount of light. Photodiodes can also be known as photosensors, photodetectors and light detectors.

Photonic applications use the photon in the same way as electronic applications use the electron. There is usually a small amount of electric current that flows through these photosensitive devices even when no light (photons) are entering it. This is known as dark current.

What are the different types?

The PN photodiode was the first to be developed, it is not so widely used these days due to their relatively low performance compared to newer technologies.

The PIN photodiode has a wider surface area and allows for more light photons to be collected, as well as having a lower capacitance. It is the most widely used diode today.

Avalanche photodiodes are used in areas where there is low light, it operates under a high reverse bias condition. The higher the reverse voltage, the higher the gain.

Schottky photodiode is based on the schottky diode, or shottky barrier diode. It provides additional functions over others, particularly with regards to high speed and long wavelength detection.

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Beskrivning Pris Spectrums Detected Wavelength of Peak Sensitivity Package Type Mounting Type Number of Pins Diode Material Minimum Wavelength Detected Maximum Wavelength Detected Typical Fall Time Length Width Height Angle of Half Sensitivity Automotive Standard
RS-artikelnummer 124-7158
Tillv. art.nrS5971
99,78 kr
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Infrared, Visible Light 900nm TO-18 Through Hole 3 Si 320nm 1060nm - - - 3.6mm - -
RS-artikelnummer 124-7159
Tillv. art.nrS5972
124,18 kr
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Infrared, Visible Light 800nm TO-18 Through Hole 3 Si 320nm 1000nm - - - 3.6mm - -
RS-artikelnummer 848-6266
Tillv. art.nrFCI-InGaAs-120L-FC
767,02 kr
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- 1550nm - Through Hole 3 InGaAs 900nm 1700nm - - - 19.2mm - -
RS-artikelnummer 177-5565
Tillv. art.nrFCI-INGAAS-120L-FC
583,23 kr
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- 1550nm - Through Hole 3 InGaAs 900nm 1700nm - - - 19.2mm - -
RS-artikelnummer 168-5245
Tillv. art.nrBPW 21
90,847 kr
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Infrared, Ultraviolet, Visible Light 550nm TO-39 Through Hole 2 Si 350nm 820nm - 9.5mm 9.5mm 3.7mm 55 ° -
RS-artikelnummer 497-5661
Tillv. art.nrBPW 21
100,19 kr
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Infrared, Ultraviolet, Visible Light 550nm TO-39 Through Hole 2 Si 350nm 820nm - 9.5mm 9.5mm 3.7mm 55 ° -
RS-artikelnummer 165-3017
Tillv. art.nrVBP104S
VarumärkeVishay
3,305 kr
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Infrared, Visible Light 940nm GW Surface Mount 2 Si 430nm 1100nm - 4.4mm 3.9mm 1.2mm ±65 ° -
RS-artikelnummer 768-9394
Tillv. art.nrVBP104S
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9,43 kr
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Infrared, Visible Light 940nm GW Surface Mount 2 Si 430nm 1100nm - 4.4mm 3.9mm 1.2mm ±65 ° -
RS-artikelnummer 165-3018
Tillv. art.nrVBPW34FASR
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4,65 kr
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Infrared 950nm Reverse Gullwing Surface Mount 2 Si 780nm 1050nm - 4.4mm 3.9mm 1.2mm ±65 ° -
RS-artikelnummer 768-9405
Tillv. art.nrVBPW34S
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9,016 kr
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Infrared, Visible Light 940nm GW Surface Mount 2 Si 430nm 1100nm - 4.4mm 3.9mm 1.2mm ±65 ° -
RS-artikelnummer 919-5801
Tillv. art.nrVBPW34S
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3,617 kr
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Infrared, Visible Light 940nm GW Surface Mount 2 Si 430nm 1100nm - 4.4mm 3.9mm 1.2mm ±65 ° -
RS-artikelnummer 124-7165
Tillv. art.nrS5629
83,24 kr
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Infrared 960nm SMD Surface Mount 20 - 760nm 1100nm - 9.7mm 5.4mm 1.7mm - -
RS-artikelnummer 168-5302
Tillv. art.nrBPW 34 SR-Z
3,857 kr
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Infrared, Visible Light 850nm DIP Surface Mount 2 Si 400nm 1100nm - 4.5mm 4mm 1.2mm 60 ° -
RS-artikelnummer 124-7163
Tillv. art.nrS4584-06
57,39 kr
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Infrared 960nm SMD Surface Mount 4 - 320nm 1100nm - 4.1mm 5mm 1.8mm - -
RS-artikelnummer 124-7161
Tillv. art.nrS1223
228,10 kr
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Infrared, Visible Light 960nm TO-5 Through Hole 2 Si 320nm 1100nm - - - 4.1mm - -
RS-artikelnummer 768-9401
Tillv. art.nrVBPW34FASR
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9,886 kr
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Infrared 950nm Reverse Gullwing Surface Mount 2 Si 780nm 1050nm - 4.4mm 3.9mm 1.2mm ±65 ° -
RS-artikelnummer 654-8261
Tillv. art.nrBPW 34 SR-Z
4,012 kr
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Infrared, Visible Light 850nm DIP Surface Mount 2 Si 400nm 1100nm - 4.5mm 4mm 1.2mm 60 ° -
RS-artikelnummer 165-6173
Tillv. art.nrBPV10
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4,273 kr
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- - T-1 3/4 Through Hole - - - - - 8.6mm 5mm - - -
RS-artikelnummer 919-0739
Tillv. art.nrTEMD5510FX01
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7,773 kr
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Visible Light 540nm SMD Surface Mount 2 Si 430nm 610nm - 5mm 4.25mm 1.08mm 65 ° -
RS-artikelnummer 710-3838
Tillv. art.nrTEMD5510FX01
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21,90 kr
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Visible Light 540nm SMD Surface Mount 2 Si 430nm 610nm - 5mm 4.25mm 1.08mm 65 ° -
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