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. 161-2186
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FabrikantVishay
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Infrared 900nm TO-18 Through Hole 2 Si 350nm 1100nm - - - 0.2in - -
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Infrared 950nm 1206 Surface Mount 3 Si 750nm - 100ns 4mm 2mm 1.05mm ±60 ° AEC-Q101
RS-stocknr. 165-2705
FabrikantnummerTEMD5010X01
FabrikantVishay
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Infrared, Visible Light 940nm - Surface Mount 4 Si 430nm 1100nm - 4.2mm 5mm 1.08mm 65 ° -
RS-stocknr. 415-5722
FabrikantnummerS1223-01
9,68 €
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Infrared, Ultraviolet, Visible Light 960nm TO-5 Through Hole 2 Si 320nm 1100nm - 9.1mm 9.1mm 4.1mm - -
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RS-stocknr. 206-5755
FabrikantnummerVEMD4010X01
FabrikantVishay
0,193 €
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- 910nm 0805 Surface Mount 2 Si - - - - - - 55 ° -
RS-stocknr. 161-2052
FabrikantnummerVEMD1160X01
FabrikantVishay
0,222 €
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- 840nm 0805 Surface Mount 2 Si 700nm - 80ns 2mm 1.25mm 0.85mm ±70 ° AEC-Q101
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- 940nm Top LED Surface Mount 2 Si - 940nm 0.04µs 5.09mm 4mm 0.85mm ±60 ° -
RS-stocknr. 161-2188
FabrikantnummerVEMD6110X01
FabrikantVishay
0,577 €
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Infrared 950nm 1206 Surface Mount 3 Si 750nm - 100ns 4mm 2mm 1.05mm ±60 ° AEC-Q101
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FabrikantnummerVBP104S
FabrikantVishay
0,326 €
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Infrared, Visible Light 940nm GW Surface Mount 2 Si 430nm 1100nm - 4.4mm 3.9mm 1.2mm ±65 ° -
RS-stocknr. 183-7158
FabrikantnummerOSD1-0
11,05 €
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Aantal stuks
Infrared 900nm TO-18 Through Hole 2 Si 350nm 1100nm - - - 0.2in - -
RS-stocknr. 166-3058
FabrikantnummerQSB34CGR
FabrikantON Semiconductor
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Infrared 940nm PLCC 2L Surface Mount 2 Si 400nm 1100nm - 4.5mm 4mm 1.2mm 60 ° -
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FabrikantnummerVEMD10940F
FabrikantVishay
0,179 €
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Infrared 920nm - Surface Mount 2 Si 830nm 950nm - 3mm 2mm 1mm ±75 ° -
RS-stocknr. 912-8554
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0,271 €
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Infrared, Visible Light 850nm SMR Through Hole 2 Si 400nm 1100nm - 6mm 4.8mm 7.7mm 15 ° -
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RS-stocknr. 209-7980
FabrikantnummerILH-S14645-SC201-WIR200.
88,99 €
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- 840nm - - 2 Si - - - - - - - -
RS-stocknr. 183-7175
FabrikantnummerPIN-44D
44,50 €
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Infrared 970nm TO-8 Through Hole 2 Si 350nm 1100nm - - - 0.205in - -
RS-stocknr. 183-7131
FabrikantnummerPIN-10DP
77,92 €
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Infrared 970nm BNC Surface Mount 1 Si 350nm 1100nm - - - 1.03in - -
RS-stocknr. 699-7604
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Infrared 940nm Side Looker Through Hole 2 Si 790nm 1050nm - 4.5mm 5mm 6mm 60 ° -
RS-stocknr. 165-2704
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Infrared, Visible Light 900nm - Surface Mount 2 Si 430nm 1100nm - 5mm 4.24mm 1.12mm 65 ° -
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