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. 919-0761
FabrikantnummerVEMD2000X01
FabrikantVishay
€ 0,125
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Aantal stuks
Infrared 940nm Subminiature Surface Mount 2 Si 750nm 1050nm - 2.3mm 2.3mm 2.77mm 15 ° -
RS-stocknr. 124-7159
FabrikantnummerS5972
€ 12,01
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Infrared, Visible Light 800nm TO-18 Through Hole 3 Si 320nm 1000nm - - - 3.6mm - -
RS-stocknr. 912-8318
FabrikantnummerBPW 34 S-Z
€ 0,361
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Infrared 850nm Smart DIL Surface Mount 2 Si 400nm 1100nm 0.02µs 4.5mm 3.7mm 1.2mm ±60 ° -
RS-stocknr. 773-0418
FabrikantnummerTEFD4300
FabrikantVishay
€ 0,488
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Aantal stuks
Infrared 950nm T-1 Through Hole 2 Si 350nm 1120nm - - - 4.5mm ±20 ° -
RS-stocknr. 166-3058
FabrikantnummerQSB34CGR
FabrikantON Semiconductor
€ 0,291
Each (On a Reel of 1000)
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Infrared 940nm PLCC 2L Surface Mount 2 Si 400nm 1100nm - 4.5mm 4mm 1.2mm 60 ° -
RS-stocknr. 194-076
FabrikantnummerOSD15-5T
FabrikantCentronic
€ 32,85
Each
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Infrared, Visible Light 900nm TO-5 Through Hole - Si 430nm 900nm - - - - - -
RS-stocknr. 654-8514
FabrikantnummerBPW 34 B
€ 5,48
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Aantal stuks
Infrared, Ultraviolet, Visible Light 850nm DIP Through Hole 2 Si 350nm 1100nm - 4.5mm 4mm 2.2mm 60 ° -
RS-stocknr. 168-5307
FabrikantnummerBPW 34 B
€ 2,505
Each (On a Reel of 250)
Aantal stuks
Infrared, Ultraviolet, Visible Light 850nm DIP Through Hole 2 Si 350nm 1100nm - 4.5mm 4mm 2.2mm 60 ° -
RS-stocknr. 497-5677
FabrikantnummerBPX 65
€ 5,11
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Infrared, Ultraviolet, Visible Light 850nm TO-18 Through Hole 2 Si 350nm 1100nm - 5.6mm 5.6mm 5.5mm 40 ° -
RS-stocknr. 304-346
FabrikantnummerBPX65
FabrikantCentronic
€ 9,41
Each
Aantal stuks
Infrared, Ultraviolet, Visible Light 850nm TO-18 Through Hole 2 Si 350nm 1100nm - 5.6mm 5.6mm 5.5mm 40 ° -
RS-stocknr. 145-1980
FabrikantnummerTEFD4300
FabrikantVishay
€ 0,19
Each (In a Bag of 1000)
Aantal stuks
Infrared 950nm - Through Hole 2 Si 350nm 1120nm - - - 4.5mm ±20 ° -
RS-stocknr. 848-6266
FabrikantnummerFCI-InGaAs-120L-FC
€ 74,18
Each
Aantal stuks
- 1550nm - Through Hole 3 InGaAs 900nm 1700nm - - - 19.2mm - -
RS-stocknr. 912-8306
FabrikantnummerBPX 65
€ 2,989
Each (In a Tray of 120)
Aantal stuks
Infrared 850nm TO-18 Through Hole 2 Si 350nm 1100nm 0.012µs - 5.5mm - ±40 ° -
RS-stocknr. 848-6247
FabrikantnummerPIN-040A
€ 19,76
Each
Aantal stuks
Infrared 970nm TO-18 Through Hole 3 Si 350nm 1100nm - - - 5.08mm - -
RS-stocknr. 848-6294
FabrikantnummerPIN-UV-100DQC
€ 160,53
Each
Aantal stuks
Ultraviolet 980nm Ceramic Through Hole 2 Si 190nm 1100nm - 16.51mm 14.99mm 2.03mm - -
RS-stocknr. 708-0570
FabrikantnummerSFH 2400 FAR
€ 0,32
Each (In a Pack of 5)
Aantal stuks
Infrared 900nm DIP Surface Mount 3 Si 750nm 1100nm - - - - - -
RS-stocknr. 177-5563
FabrikantnummerPIN-UV-100DQC
€ 155,005
Each (In a Box of 2)
Aantal stuks
Ultraviolet 980nm Ceramic Through Hole 2 Si 190nm 1100nm - 16.51mm 14.99mm 2.03mm - -
RS-stocknr. 168-5298
FabrikantnummerBP 104 S-Z
€ 0,264
Each (On a Reel of 1500)
Aantal stuks
Infrared, Visible Light 850nm DIP Surface Mount 2 Si 400nm 1100nm - 4.5mm 4mm 1.2mm 60 ° -
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FabrikantnummerOSD100-E
FabrikantCentronic
€ 171,33
Each
Aantal stuks
Visible Light - - Through Hole - Si - - - - - 12.7mm - -
RS-stocknr. 177-5578
FabrikantnummerFCI-INGAAS-500
€ 31,829
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Aantal stuks
- 1550nm TO-46 Through Hole 3 InGaAs 900nm 1700nm - - - 3.75mm - -