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 Spectral Range of Sensitivity Diode Material Minimum Wavelength Detected Maximum Wavelength Detected Typical Fall Time Length Width Height Dimensions
RS庫存編號 654-8895
製造零件編號SFH 213 FA
HK$6.928
/個 (每包:5個)
單位
Infrared 900nm T-1 3/4 Through Hole 2 - Si 750nm 1100nm - 5.9mm 5mm 9mm -
RS庫存編號 912-8564
製造零件編號SFH 213 FA
HK$2.83
個 (以毎袋:1000)
單位
Infrared 900nm - Through Hole 2 - Si 750nm 1100nm - 5.9mm 5mm 9mm -
RS庫存編號 195-697
製造零件編號SFH 203 FA
HK$6.73
單位
Infrared 900nm T-1 3/4 Through Hole 2 - Si 800nm 1100nm - 5.9mm 5.9mm 9mm -
RS庫存編號 913-3285
製造零件編號SFH 2701
HK$2.426
個 (在毎卷:3000)
單位
Infrared, Visible Light 820nm Chip LED Surface Mount 2 - - 400nm 1050nm - 3.35mm 1.65mm 1.25mm -
RS庫存編號 654-8671
製造零件編號SFH 203 P
HK$6.456
/個 (每包:5個)
單位
Infrared, Visible Light 850nm T-1 3/4 Through Hole 2 - Si 400nm 1100nm - 5.9mm 5mm 5mm -
RS庫存編號 177-6006
製造零件編號SFH 203 P
HK$2.65
Each (On a Tape of 1000)
單位
Infrared, Visible Light 850nm - Through Hole 2 - Si 400nm 1100nm - 5.9mm 5mm 5mm -
RS庫存編號 168-5312
製造零件編號SFH 206 K
HK$3.98
Each (On a Tape of 1000)
單位
Infrared, Visible Light 850nm - Through Hole 2 - Si 400nm 1100nm - 5.1mm 4.1mm 6.9mm -
RS庫存編號 654-8659
製造零件編號SFH 206 K
HK$5.21
/個 (每包:5個)
單位
Infrared, Visible Light 850nm T-1 3/4 Through Hole 2 - Si 400nm 1100nm - 5.1mm 4.1mm 6.9mm -
RS庫存編號 848-6272
製造零件編號FCI-InGaAs-Q3000
HK$3,062.99
單位
- 1550nm TO-8 Through Hole 8 - InGaAs 1100nm 1620nm - - - 6.6mm -
RS庫存編號 654-8154
製造零件編號SFH 203
HK$4.028
/個 (每包:5個)
單位
Infrared, Visible Light 850nm T-1 3/4 Through Hole 2 - Si 750nm 1100nm - 5.9mm 4.8mm 9mm -
RS庫存編號 165-2707
製造零件編號TEMD6200FX01
BrandVishay
HK$2.537
個 (在毎卷:3000)
單位
Visible Light 540nm 0805 Surface Mount 2 - - 430nm 610nm - 2mm 1.25mm 0.85mm -
RS庫存編號 168-5299
製造零件編號SFH 203
HK$1.95
Each (On a Tape of 1000)
單位
Infrared, Visible Light 850nm - Through Hole 2 - Si 400nm 1100nm - 5.9mm 4.8mm 9mm -
RS庫存編號 145-1980
製造零件編號TEFD4300
BrandVishay
HK$1.969
個 (以毎袋:1000)
單位
Infrared 950nm - Through Hole 2 - Si 350nm 1120nm - - - 4.5mm -
RS庫存編號 710-3847
製造零件編號TEMD6200FX01
BrandVishay
HK$6.755
/個 (每包:10個)
單位
Visible Light 540nm 0805 Surface Mount 2 - - 430nm 610nm - 2mm 1.25mm 0.85mm -
RS庫存編號 773-0418
製造零件編號TEFD4300
BrandVishay
HK$3.834
個 (以毎袋:10)
單位
Infrared 950nm T-1 Through Hole 2 - Si 350nm 1120nm - - - 4.5mm -
RS庫存編號 177-5579
製造零件編號FCI-INGAAS-Q3000
HK$4,365.448
Each (In a Tray of 5)
單位
- 1550nm TO-8 Through Hole 8 - InGaAs 1100nm 1620nm - - - 6.6mm -
RS庫存編號 165-2633
製造零件編號BPW41N
BrandVishay
HK$3.03
個 (以毎袋:1000)
單位
Infrared 950nm Side Looker Through Hole 2 - Si 870nm 1050nm - 5mm 3mm 6.4mm -
RS庫存編號 708-2813
製造零件編號BPW21R
BrandVishay
HK$88.42
單位
Visible Light 565nm TO-5 Through Hole 2 - Si 420nm 675nm - 9.1mm 9.1mm 3.1mm -
RS庫存編號 145-2618
製造零件編號BPW20RF
BrandVishay
HK$35.401
個 (以毎袋:500)
單位
Infrared, Visible Light 920nm TO-5 Through Hole 2 - Si 400nm 1100nm - 9.1mm 9.1mm 3.1mm -
RS庫存編號 177-7627
製造零件編號BPW21R
BrandVishay
HK$88.633
個 (以毎盒:500)
單位
Visible Light 565nm TO-5 Through Hole 2 - Si 420nm 675nm - 9.1mm 9.1mm 3.1mm -