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. 146-2108
FabrikantnummerQSD2030F
FabrikantON Semiconductor
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Infrared, Visible Light 850nm DIP Surface Mount 3 Si 400nm 1100nm - 8.5mm 4.5mm 1.2mm 60 ° -
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Infrared, Visible Light 850nm T-1 3/4 Through Hole 2 Si 400nm 1100nm - 5.1mm 4.1mm 6.9mm 60 ° -
RS-stocknr. 912-8573
FabrikantnummerSFH 213
0,291 €
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Infrared, Visible Light 850nm - Through Hole 2 Si 400nm 1100nm - 5.9mm 5mm 9mm 10 ° -
RS-stocknr. 654-8902
FabrikantnummerSFH 213
0,864 €
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Infrared, Visible Light 850nm T-1 3/4 Through Hole 2 Si 400nm 1100nm - 5.9mm 5mm 9mm 10 ° -
RS-stocknr. 846-761
FabrikantnummerOSD1-5T
FabrikantCentronic
13,70 €
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Infrared, Visible Light 900nm TO-18 Through Hole - Si 430nm 900nm - - - - - -
RS-stocknr. 177-5560
FabrikantnummerPIN-10DPI/SB
96,81 €
Each (In a Box of 2)
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Visible Light 410nm Metal Through Hole 2 Si 350nm 1100nm - - - 4.95mm - -
RS-stocknr. 168-5192
FabrikantnummerSFH 2200
0,294 €
Each (On a Reel of 1500)
Aantal stuks
- - - - - - - - - - - - - -
RS-stocknr. 177-7613
FabrikantnummerBP104
FabrikantVishay
0,357 €
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Infrared 950nm - Through Hole 2 Si 870nm 1050nm - 4.65mm 4.3mm 2mm 65 ° -
RS-stocknr. 848-6281
FabrikantnummerUV-035EQ
44,75 €
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Ultraviolet 720nm TO-8 Through Hole 2 Si - - - - - 5.21mm - -
RS-stocknr. 165-2633
FabrikantnummerBPW41N
FabrikantVishay
0,339 €
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Infrared 950nm Side Looker Through Hole 2 Si 870nm 1050nm - 5mm 3mm 6.4mm 65 ° -
RS-stocknr. 848-6263
FabrikantnummerPIN-10DPI/SB
106,49 €
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Aantal stuks
Visible Light 410nm Metal Through Hole 2 Si 350nm 1100nm - - - 4.95mm - -
RS-stocknr. 168-5312
FabrikantnummerSFH 206 K
0,426 €
Each (On a Tape of 1000)
Aantal stuks
Infrared, Visible Light 850nm - Through Hole 2 Si 400nm 1100nm - 5.1mm 4.1mm 6.9mm 60 ° -
RS-stocknr. 919-0988
FabrikantnummerVBPW34SR
FabrikantVishay
0,347 €
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Infrared, Visible Light 940nm Reverse Gullwing Surface Mount 2 Si 430nm 1100nm - 4.4mm 3.9mm 1.2mm ±65 ° -
RS-stocknr. 699-7597
FabrikantnummerBP104
FabrikantVishay
0,994 €
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Infrared 950nm - Through Hole 2 Si 870nm 1050nm - 4.65mm 4.3mm 2mm 65 ° -
RS-stocknr. 846-755
FabrikantnummerBPX65R(T)
FabrikantCentronic
15,60 €
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Infrared 850nm TO-18 Through Hole 3 Si - - - 4.7mm 4.7mm 5.17mm 80 ° -
RS-stocknr. 195-697
FabrikantnummerSFH 203 FA
0,68 €
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Aantal stuks
Infrared 900nm T-1 3/4 Through Hole 2 Si 800nm 1100nm - 5.9mm 5.9mm 9mm 20 ° -
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FabrikantnummerS3932
82,21 €
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Infrared 920nm - Through Hole 4 - 320nm 1100nm - 15.2mm 0.7mm 1.5mm - -
RS-stocknr. 177-5573
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48,446 €
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Ultraviolet 720nm TO-8 Through Hole 2 Si - - - - - 5.21mm - -
RS-stocknr. 654-8053
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Infrared 900nm T-1 Through Hole 2 Si 730nm 1100nm 10ns 4mm 3mm 5.2mm ±17 ° -