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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Omschrijving Prijs 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-stocknr. 654-8069
FabrikantnummerSFH 205 FA
€ 1,012
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Infrared 900nm T-1 3/4 Through Hole 2 Si 740nm 1100nm - 5.1mm 4.1mm 6.9mm 60 ° -
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Infrared 880nm DIP Surface Mount 2 Si 730nm 1100nm - 4.5mm 4mm 1.2mm 60 ° -
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FabrikantCentronic
€ 15,68
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Infrared 850nm TO-18 Through Hole 3 Si - - - 4.7mm 4.7mm 5.17mm 80 ° -
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FabrikantnummerTEMD6200FX01
FabrikantVishay
€ 0,659
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Visible Light 540nm 0805 Surface Mount 2 - 430nm 610nm - 2mm 1.25mm 0.85mm 60 ° -
RS-stocknr. 168-5293
FabrikantnummerSFH 229 FA
€ 0,237
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Aantal stuks
Infrared 900nm - Through Hole 2 Si 730nm 1100nm 10ns 4mm 3mm 5.2mm ±17 ° -
RS-stocknr. 168-5163
FabrikantnummerBPW 34
€ 0,294
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Infrared, Visible Light 850nm DIP Through Hole 2 Si 400nm 1100nm - 4.5mm 4mm 2.2mm 60 ° -
RS-stocknr. 124-7166
FabrikantnummerS3932
€ 82,21
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Infrared 920nm - Through Hole 4 - 320nm 1100nm - 15.2mm 0.7mm 1.5mm - -
RS-stocknr. 165-2707
FabrikantnummerTEMD6200FX01
FabrikantVishay
€ 0,414
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Aantal stuks
Visible Light 540nm 0805 Surface Mount 2 - 430nm 610nm - 2mm 1.25mm 0.85mm 60 ° -
RS-stocknr. 247-240
FabrikantnummerBPW 34
€ 0,882
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Infrared, Visible Light 850nm DIP Through Hole 2 Si 400nm 1100nm - 4.5mm 4mm 2.2mm 60 ° -
RS-stocknr. 124-7160
FabrikantnummerS5973
€ 24,99
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Infrared, Visible Light 760nm TO-18 Through Hole 3 Si 320nm 1000nm - - - 3.6mm - -
RS-stocknr. 654-8053
FabrikantnummerSFH 229 FA
€ 0,614
Each (In a Pack of 10)
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Infrared 900nm T-1 Through Hole 2 Si 730nm 1100nm 10ns 4mm 3mm 5.2mm ±17 ° -
RS-stocknr. 168-5285
FabrikantnummerBPX 61
€ 9,364
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Infrared, Visible Light 850nm TO-5 Through Hole 2 Si 400nm 1100nm - 9.5mm 9.5mm 3.7mm 55 ° -
RS-stocknr. 654-7785
FabrikantnummerBPX 61
€ 10,28
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Infrared, Visible Light 850nm TO-5 Through Hole 2 Si 400nm 1100nm - 9.5mm 9.5mm 3.7mm 55 ° -
RS-stocknr. 846-777
FabrikantnummerOSD5-5T
FabrikantCentronic
€ 27,34
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Infrared, Visible Light 900nm TO-5 Through Hole - Si 430nm 900nm - - - - - -
RS-stocknr. 146-1423
FabrikantnummerBPW24R
FabrikantVishay
€ 2,23
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Infrared, Visible Light 900nm TO-18 Through Hole 2 Si 600nm 1050nm - 5.5mm 5.5mm 6.15mm 12 ° -
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FabrikantnummerSFH 2430-Z
€ 0,922
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Infrared, Visible Light 570nm DIP Surface Mount 2 Si 400nm 900nm - 4.5mm 4mm 1.2mm 60 ° -
RS-stocknr. 848-6301
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€ 62,38
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Infrared 800nm TO-52 Through Hole 3 Si 600nm - - - - 3.8mm - -
RS-stocknr. 165-2705
FabrikantnummerTEMD5010X01
FabrikantVishay
€ 0,479
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Infrared, Visible Light 940nm - Surface Mount 4 Si 430nm 1100nm - 4.2mm 5mm 1.08mm 65 ° -
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FabrikantVishay
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Infrared 940nm Subminiature Surface Mount 2 Si 750nm 1050nm - 2.3mm 2.3mm 2.77mm 15 ° -
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Infrared, Visible Light 900nm TO-18 Through Hole 2 Si 600nm 1050nm - 5.5mm 5.5mm 6.15mm 12 ° -