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 Spectral Range of Sensitivity Diode Material Minimum Wavelength Detected Maximum Wavelength Detected Typical Fall Time Length Width Height Dimensions
RS-stocknr. 699-7616
FabrikantnummerBPW34
FabrikantVishay
€ 0,96
Each (In a Pack of 5)
Aantal stuks
Infrared, Visible Light 900nm - Through Hole 2 - Si 430nm 1100nm - 4.5mm 4.3mm 2mm -
RS-stocknr. 165-2428
FabrikantnummerBPW34
FabrikantVishay
€ 0,367
Each (On a Reel of 3000)
Aantal stuks
Infrared, Visible Light 900nm - Through Hole 2 - Si 430nm 1100nm - 4.5mm 4.3mm 2mm -
RS-stocknr. 654-8902
FabrikantnummerSFH 213
€ 0,896
Each (In a Pack of 5)
Aantal stuks
Infrared, Visible Light 850nm T-1 3/4 Through Hole 2 - Si 400nm 1100nm - 5.9mm 5mm 9mm -
RS-stocknr. 912-8573
FabrikantnummerSFH 213
€ 0,27
Each (In a Bag of 1000)
Aantal stuks
Infrared, Visible Light 850nm - Through Hole 2 - Si 400nm 1100nm - 5.9mm 5mm 9mm -
RS-stocknr. 168-5312
FabrikantnummerSFH 206 K
€ 0,42
Each (On a Tape of 1000)
Aantal stuks
Infrared, Visible Light 850nm - Through Hole 2 - Si 400nm 1100nm - 5.1mm 4.1mm 6.9mm -
RS-stocknr. 654-8659
FabrikantnummerSFH 206 K
€ 1,412
Each (In a Pack of 5)
Aantal stuks
Infrared, Visible Light 850nm T-1 3/4 Through Hole 2 - Si 400nm 1100nm - 5.1mm 4.1mm 6.9mm -
RS-stocknr. 168-7920
FabrikantnummerIS471FE
FabrikantSharp
€ 1,811
Each (In a Bag of 500)
Aantal stuks
Infrared 800 → 900nm - - 4 - - 700nm 1150nm - - - - -
RS-stocknr. 497-5661
FabrikantnummerBPW 21
€ 11,09
Each
Aantal stuks
Infrared, Ultraviolet, Visible Light 550nm TO-39 Through Hole 2 - Si 350nm 820nm - 9.5mm 9.5mm 3.7mm -
RS-stocknr. 168-5245
FabrikantnummerBPW 21
€ 7,956
Each (In a Box of 40)
Aantal stuks
Infrared, Ultraviolet, Visible Light 550nm TO-39 Through Hole 2 - Si 350nm 820nm - 9.5mm 9.5mm 3.7mm -
RS-stocknr. 826-4625
FabrikantnummerIS471FE
FabrikantSharp
€ 4,268
Each (In a Pack of 5)
Aantal stuks
Infrared 800 → 900nm - - 4 - - 700nm 1150nm - - - - -
RS-stocknr. 627-8366
FabrikantnummerVTB8440BH
€ 4,81
Each
Aantal stuks
Visible Light 580nm Ceramic Through Hole 2 - Si 330nm 720nm - - - 7.87mm -
RS-stocknr. 912-8554
FabrikantnummerSFH 2505
€ 0,271
Each (On a Reel of 1000)
Aantal stuks
Infrared, Visible Light 850nm SMR Through Hole 2 - Si 400nm 1100nm - 6mm 4.8mm 7.7mm -
RS-stocknr. 124-7164
FabrikantnummerS3274-05
€ 6,76
Each
Aantal stuks
Infrared 960nm DIP Through Hole 4 - - 760nm 1100nm - 4.1mm 5mm 1.8mm -
RS-stocknr. 124-7163
FabrikantnummerS4584-06
€ 5,55
Each
Aantal stuks
Infrared 960nm SMD Surface Mount 4 - - 320nm 1100nm - 4.1mm 5mm 1.8mm -
RS-stocknr. 564-037
FabrikantnummerOSD 35-7X CQ
FabrikantCentronic
€ 118,73
Each
Aantal stuks
Ultraviolet 340nm - Through Hole - - Si 194nm 400nm - - - 8mm -
RS-stocknr. 654-8788
FabrikantnummerSFH 2505
€ 0,298
Each (In a Pack of 5)
Aantal stuks
Infrared, Visible Light 850nm SMR Through Hole 2 - Si 400nm 1100nm - 6mm 4.8mm 7.7mm -
RS-stocknr. 165-6969
FabrikantnummerBPV23NF
FabrikantVishay
€ 0,361
Each (In a Bag of 1000)
Aantal stuks
Infrared 940nm - Through Hole 2 - Si 790nm 1050nm - - - - -
RS-stocknr. 773-3984
FabrikantnummerBPV23NF
FabrikantVishay
€ 0,875
Each (In a Bag of 2)
Aantal stuks
Infrared 940nm - Through Hole 2 - Si 790nm 1050nm - - - - -
RS-stocknr. 124-7161
FabrikantnummerS1223
€ 22,06
Each
Aantal stuks
Infrared, Visible Light 960nm TO-5 Through Hole 2 - Si 320nm 1100nm - - - 4.1mm -
RS-stocknr. 165-2709
FabrikantnummerTEMD5080X01
FabrikantVishay
€ 0,625
Each (On a Reel of 1500)
Aantal stuks
Infrared, Ultraviolet, Visible Light 940nm - Surface Mount 4 - Si 350nm 1100nm - 4.2mm 5mm 1.08mm -
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