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. 161-2180
Mfr. Part No.VEMD5110X01
BrandVishay
$2.10
Each (In a Pack of 10)
units
Infrared 940nm QFN Surface Mount 4 Si 790nm - 100ns 5mm 4mm 0.9mm ±65 ° AEC-Q101
RS Stock No. 161-2186
Mfr. Part No.VEMD6060X01
BrandVishay
$2.071
Each (In a Pack of 10)
units
Infrared 820nm 1206 Surface Mount 3 Si 380nm - 50ns 4mm 2mm 1.05mm ±70 ° AEC-Q101
RS Stock No. 912-8558
Mfr. Part No.SFH 2500 FA-Z
$0.53
Each (On a Reel of 1000)
units
Infrared 900nm SMR Surface Mount 2 Si 750nm 1100nm - 7.7mm 6mm 6mm 15 ° -
RS Stock No. 184-1647
Mfr. Part No.PIN-3CDI
$21.004
Each (In a Tray of 10)
units
- - - - - - - - - - - - - -
RS Stock No. 183-7119
Mfr. Part No.OSD1-0
$21.004
Each (In a Tray of 10)
units
Infrared 900nm TO-18 Through Hole 2 Si 350nm 1100nm - - - 0.2in - -
RS Stock No. 184-6979
Mfr. Part No.1541141ECA570
$0.467
Each (On a Reel of 3000)
units
Infrared 940nm 1104 Surface Mount 2 Si 700nm 1100nm - 3mm 1mm 2.02mm 150 ° -
RS Stock No. 848-6291
Mfr. Part No.APD10-8-150-T52
$114.51
Each
units
Infrared 800nm TO-52 Through Hole 3 Si 600nm - - - - 3.25mm - -
RS Stock No. 185-9634
Mfr. Part No.MICRORB-10020-MLP-TR1
$94.61
Each
units
- - MLP Surface Mount 4 Si 300nm 1050nm - 1.5mm 1.5mm 0.65mm - -
RS Stock No. 768-9382
Mfr. Part No.VBP104FAS
BrandVishay
$1.67
Each (On a Tape of 5)
units
Infrared 950nm GW Surface Mount 2 Si 780nm 1050nm - 4.4mm 3.9mm 1.2mm ±65 ° -
RS Stock No. 184-7270
Mfr. Part No.1541141ECA570
$0.722
Each (In a Pack of 25)
units
Infrared 940nm 1104 Surface Mount 2 Si 700nm 1100nm - 3mm 1mm 2.02mm 150 ° -
RS Stock No. 176-4204
Mfr. Part No.SFH 2700 FA
$1.09
Each (In a Pack of 20)
units
Infrared 1100nm Chip LED Surface Mount 2 Si 700nm 1100nm 0.12µs 2mm 1.25mm 0.8mm 60 ° -
RS Stock No. 815-1254
Mfr. Part No.BPW83
BrandVishay
$1.64
Each (In a Pack of 20)
units
Infrared, Visible Light 950nm - Through Hole 2 Si 790nm 1050nm 100ns 5mm 3mm 6.4mm ±65 ° -
RS Stock No. 185-9624
Mfr. Part No.MICROFJ-30035-TSV-TR1
$111.30
Each
units
- - SMT Surface Mount 4 Si 200nm 900nm - 3.16mm 3.16mm 0.46mm - -
RS Stock No. 183-7120
Mfr. Part No.OSD5-0
$23.355
Each (In a Tray of 10)
units
Infrared 900nm TO-5 Through Hole 2 Si 350nm 1100nm - - - 0.13in - -
RS Stock No. 161-2170
Mfr. Part No.VEMD5010X01
BrandVishay
$1.74
Each (In a Pack of 10)
units
Infrared 940nm QFN Surface Mount 4 Si 430nm - 100ns 5mm 4mm 0.9mm ±65 ° AEC-Q101
RS Stock No. 919-0979
Mfr. Part No.VBPW34FAS
BrandVishay
$0.619
Each (On a Reel of 1000)
units
Infrared 950nm GW Surface Mount 2 Si 780nm 1050nm - 4.4mm 3.9mm 1.2mm ±65 ° -
RS Stock No. 912-8520
Mfr. Part No.SFH 2430-Z
$1.041
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. 180-2609
Mfr. Part No.S13948-01SB
$3.752
Each (In a Pack of 5)
units
Visible Light 560nm - Through Hole 2 - 300nm 820nm 2.5ms - - 3.5mm - -
RS Stock No. 185-9626
Mfr. Part No.MICROFJ-60035-TSV-TR1
$170.47
Each
units
- - TSV Surface Mount 4 Si 200nm 900nm - 6.13mm 6.13mm 0.46mm - -
RS Stock No. 176-9789
Mfr. Part No.PIN-RD07
$249.66
Each
units
Visible Light 900nm TO-8 Through Hole 3 Si 350nm 1100nm - - - 5.1054mm - -
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