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. 165-2709
FabrikantnummerTEMD5080X01
FabrikantVishay
€ 0,652
Each (On a Reel of 1500)
Aantal stuks
Infrared, Ultraviolet, Visible Light 940nm - Surface Mount 4 Si 350nm 1100nm - 4.2mm 5mm 1.08mm 65 ° -
RS-stocknr. 195-697
FabrikantnummerSFH 203 FA
€ 0,78
Each
Aantal stuks
Infrared 900nm T-1 3/4 Through Hole 2 Si 800nm 1100nm - 5.9mm 5.9mm 9mm 20 ° -
RS-stocknr. 654-9034
FabrikantnummerSFH 235 FA
€ 1,116
Each (In a Pack of 5)
Aantal stuks
Infrared 900nm T-1 3/4 Through Hole 2 Si 740nm 1120nm - 5.1mm 3.1mm 7.2mm 65 ° -
RS-stocknr. 124-7165
FabrikantnummerS5629
€ 8,05
Each
Aantal stuks
Infrared 960nm SMD Surface Mount 20 - 760nm 1100nm - 9.7mm 5.4mm 1.7mm - -
RS-stocknr. 177-6006
FabrikantnummerSFH 203 P
€ 0,28
Each (On a Tape of 1000)
Aantal stuks
Infrared, Visible Light 850nm - Through Hole 2 Si 400nm 1100nm - 5.9mm 5mm 5mm 75 ° -
RS-stocknr. 415-5722
FabrikantnummerS1223-01
€ 9,68
Each
Aantal stuks
Infrared, Ultraviolet, Visible Light 960nm TO-5 Through Hole 2 Si 320nm 1100nm - 9.1mm 9.1mm 4.1mm - -
RS-stocknr. 654-8671
FabrikantnummerSFH 203 P
€ 0,986
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 5mm 75 ° -
RS-stocknr. 168-5319
FabrikantnummerSFH 235 FA
€ 0,367
Each (In a Bag of 1000)
Aantal stuks
Infrared 900nm - Through Hole 2 Si 740nm 1120nm - 5.1mm 3.1mm 7.2mm 65 ° -
RS-stocknr. 177-7613
FabrikantnummerBP104
FabrikantVishay
€ 0,334
Each (In a Box of 3000)
Aantal stuks
Infrared 950nm - Through Hole 2 Si 870nm 1050nm - 4.65mm 4.3mm 2mm 65 ° -
RS-stocknr. 654-8154
FabrikantnummerSFH 203
€ 0,726
Each (In a Pack of 5)
Aantal stuks
Infrared, Visible Light 850nm T-1 3/4 Through Hole 2 Si 750nm 1100nm - 5.9mm 4.8mm 9mm 20 ° -
RS-stocknr. 168-5299
FabrikantnummerSFH 203
€ 0,205
Each (On a Tape of 1000)
Aantal stuks
Infrared, Visible Light 850nm - Through Hole 2 Si 400nm 1100nm - 5.9mm 4.8mm 9mm 20 ° -
RS-stocknr. 654-8069
FabrikantnummerSFH 205 FA
€ 0,86
Each (In a Pack of 5)
Aantal stuks
Infrared 900nm T-1 3/4 Through Hole 2 Si 740nm 1100nm - 5.1mm 4.1mm 6.9mm 60 ° -
RS-stocknr. 708-2813
FabrikantnummerBPW21R
FabrikantVishay
€ 10,24
Each
Aantal stuks
Visible Light 565nm TO-5 Through Hole 2 Si 420nm 675nm - 9.1mm 9.1mm 3.1mm 50 ° -
RS-stocknr. 177-5576
FabrikantnummerFCI-INGAAS-1000
€ 65,313
Each (In a Tray of 10)
Aantal stuks
Infrared 1550nm TO-46, TO-5 Through Hole 2 InGaAs 900nm 1700nm - - - 3.81mm - -
RS-stocknr. 912-8510
FabrikantnummerBPW 34 FAS-Z
€ 0,284
Each (On a Reel of 1500)
Aantal stuks
Infrared 880nm DIP Surface Mount 2 Si 730nm 1100nm - 4.5mm 4mm 1.2mm 60 ° -
RS-stocknr. 848-6257
FabrikantnummerFCI-InGaAs-1000
€ 69,59
Each
Aantal stuks
Infrared 1550nm TO-46, TO-5 Through Hole 2 InGaAs 900nm 1700nm - - - 3.81mm - -
RS-stocknr. 654-7892
FabrikantnummerBPW 34 FAS-Z
€ 0,712
Each (In a Pack of 5)
Aantal stuks
Infrared 880nm DIP Surface Mount 2 Si 730nm 1100nm - 4.5mm 4mm 1.2mm 60 ° -
RS-stocknr. 168-5311
FabrikantnummerSFH 229
€ 0,252
Each (On a Reel of 2000)
Aantal stuks
Infrared, Ultraviolet, Visible Light 860nm - Through Hole 2 Si 380nm 1100nm - 4mm 3mm 5.2mm 17 ° -
RS-stocknr. 177-7627
FabrikantnummerBPW21R
FabrikantVishay
€ 5,851
Each (In a Box of 500)
Aantal stuks
Visible Light 565nm TO-5 Through Hole 2 Si 420nm 675nm - 9.1mm 9.1mm 3.1mm 50 ° -
RS-stocknr. 913-3285
FabrikantnummerSFH 2701
€ 0,231
Each (On a Reel of 3000)
Aantal stuks
Infrared, Visible Light 820nm Chip LED Surface Mount 2 - 400nm 1050nm - 3.35mm 1.65mm 1.25mm 60 ° -
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