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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Description Price 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 Stock No. 177-5573
Mfr. Part No.UV-035EQ
kr 454,592
Each (In a Tray of 5)
Units
Ultraviolet 720nm TO-8 Through Hole 2 Si - - - - - 5.21mm - -
RS Stock No. 848-6281
Mfr. Part No.UV-035EQ
kr 500,10
Each
Units
Ultraviolet 720nm TO-8 Through Hole 2 Si - - - - - 5.21mm - -
RS Stock No. 124-7158
Mfr. Part No.S5971
kr 96,21
Each
Units
Infrared, Visible Light 900nm TO-18 Through Hole 3 Si 320nm 1060nm - - - 3.6mm - -
RS Stock No. 846-749
Mfr. Part No.AEPX65
BrandCentronic
kr 219,94
Each
Units
- - TO-46 Through Hole 2 Si - - - 0.9mm 0.9mm 0.63mm - -
RS Stock No. 124-7165
Mfr. Part No.S5629
kr 80,26
Each
Units
Infrared 960nm SMD Surface Mount 20 - 760nm 1100nm - 9.7mm 5.4mm 1.7mm - -
RS Stock No. 124-7164
Mfr. Part No.S3274-05
kr 68,89
Each
Units
Infrared 960nm DIP Through Hole 4 - 760nm 1100nm - 4.1mm 5mm 1.8mm - -
RS Stock No. 846-705
Mfr. Part No.OSD15-E
BrandCentronic
kr 288,83
Each
Units
Visible Light 630nm TO-5 Through Hole 3 Si 350nm 800nm - - - 12.7mm - -
RS Stock No. 912-8520
Mfr. Part No.SFH 2430-Z
kr 4,942
Each (On a Reel of 1500)
Units
Infrared, Visible Light 570nm DIP Surface Mount 2 Si 400nm 900nm - 4.5mm 4mm 1.2mm 60 ° -
RS Stock No. 654-8249
Mfr. Part No.SFH 2430-Z
kr 9,192
Each (In a Pack of 5)
Units
Infrared, Visible Light 570nm DIP Surface Mount 2 Si 400nm 900nm - 4.5mm 4mm 1.2mm 60 ° -
RS Stock No. 177-5577
Mfr. Part No.PIN-5DI
kr 198,892
Each (In a Tray of 10)
Units
Infrared, Visible Light 970nm TO-5 Through Hole 3 Si 350nm 1100nm - - - 4.57mm - -
RS Stock No. 145-1980
Mfr. Part No.TEFD4300
BrandVishay
kr 2,15
Each (In a Bag of 1000)
Units
Infrared 950nm - Through Hole 2 Si 350nm 1120nm - - - 4.5mm ±20 ° -
RS Stock No. 848-6269
Mfr. Part No.PIN-5DI
kr 206,08
Each
Units
Infrared, Visible Light 970nm TO-5 Through Hole 3 Si 350nm 1100nm - - - 4.57mm - -
RS Stock No. 773-0418
Mfr. Part No.TEFD4300
BrandVishay
kr 4,626
Each (In a Bag of 10)
Units
Infrared 950nm T-1 Through Hole 2 Si 350nm 1120nm - - - 4.5mm ±20 ° -
RS Stock No. 846-711
Mfr. Part No.OSD50-E
BrandCentronic
kr 931,30
Each
Units
Visible Light 630nm - Through Hole - Si - - - - - 12.7mm - -
RS Stock No. 848-6275
Mfr. Part No.PIN DL-4
kr 1 609,56
Each
Units
- 670nm TO-8 Through Hole 3 Si - - - - - 5.59mm - -
RS Stock No. 194-076
Mfr. Part No.OSD15-5T
BrandCentronic
kr 327,51
Each
Units
Infrared, Visible Light 900nm TO-5 Through Hole - Si 430nm 900nm - - - - - -
RS Stock No. 564-021
Mfr. Part No.OSD5.8-7Q
BrandCentronic
kr 432,00
Each
Units
Infrared, Ultraviolet 340nm TO-39 Through Hole 2 Si 1100nm 190nm - 9mm 9mm 6.6mm - -
RS Stock No. 846-761
Mfr. Part No.OSD1-5T
BrandCentronic
kr 136,59
Each
Units
Infrared, Visible Light 900nm TO-18 Through Hole - Si 430nm 900nm - - - - - -
RS Stock No. 168-5245
Mfr. Part No.BPW 21
kr 79,319
Each (In a Box of 40)
Units
Infrared, Ultraviolet, Visible Light 550nm TO-39 Through Hole 2 Si 350nm 820nm - 9.5mm 9.5mm 3.7mm 55 ° -
RS Stock No. 848-6257
Mfr. Part No.FCI-InGaAs-1000
kr 693,81
Each
Units
Infrared 1550nm TO-46, TO-5 Through Hole 2 InGaAs 900nm 1700nm - - - 3.81mm - -
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