Allicdata Part #: | 475-1079-ND |
Manufacturer Part#: |
SFH 229FA |
Price: | $ 0.71 |
Product Category: | Sensors, Transducers |
Manufacturer: | OSRAM Opto Semiconductors Inc. |
Short Description: | PHOTODIODE 900NM 3MM W/FILTER |
More Detail: | Photodiode 900nm 10ns 34° Radial |
DataSheet: | SFH 229FA Datasheet/PDF |
Quantity: | 44493 |
1 +: | $ 0.64260 |
10 +: | $ 0.49896 |
25 +: | $ 0.41328 |
100 +: | $ 0.35620 |
250 +: | $ 0.31344 |
500 +: | $ 0.27070 |
1000 +: | $ 0.21372 |
2500 +: | $ 0.19946 |
5000 +: | $ 0.19234 |
Series: | -- |
Packaging: | Bulk |
Part Status: | Active |
Wavelength: | 900nm |
Color - Enhanced: | -- |
Spectral Range: | 730nm ~ 1100nm |
Diode Type: | PIN |
Responsivity @ nm: | 0.6 A/W @ 850nm |
Response Time: | 10ns |
Voltage - DC Reverse (Vr) (Max): | 20V |
Current - Dark (Typ): | 50pA |
Active Area: | 0.31mm² |
Viewing Angle: | 34° |
Operating Temperature: | -40°C ~ 100°C |
Mounting Type: | Through Hole |
Package / Case: | Radial |
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Optical sensors are a family of electrical devices that measures the presence or absence of light. Photodiodes, in particular, are readily available and versatile devices for converting light into electrical energy. The SFH 229FA photodiode, from Infineon Technologies, provides several excellent features that can be used in a wide range of applications. This article will discuss the field of application and the working principle of the SFH 229FA.
Field Of Application
The SFH 229FA is an avalanche photodiode (APD) with a dual photodiode configuration. This makes it suitable for use in various fields, such as medical devices, process control and automation, telecommunications, imaging and spectroscopy, and illumination.
The SFH 229FA is highly sensitive, allowing it to measure visible and infrared light. It features a wide spectral range, from 350nm (UV) to 1650nm (IR). The device has an active area of just 2.8 mm x 2.8 mm which makes it ideal for applications with small optical detection areas. It also has a high dynamic range which allows it to measure a wide range of light intensities.
The SFH 229FA is designed to operate in extreme temperatures, from -55°C to 125°C. This makes it suitable for use in tough industrial environments. The low temperature coefficient of the device also makes it ideal for long-term stable operation.
Working Principle
The SFH 229FA operates on the principle of photoelectric effect. This effect occurs when light is absorbed by a material and its energy is converted into an electric current. The SFH 229FA features a dual photodiode configuration, which consists of two photodiodes stacked on top of each other in a single package. This double layer construction allows the photodiode to detect light over a wide range of wavelengths and intensities.
The SFH 229FA features an on-chip amplifier which amplifies the weak signal produced by the photodiode. This shortens the circuit\'s response time and increases its signal-to-noise ratio. As a result, the device is able to detect a wide range of light intensities without any additional external circuitry.
The SFH 229FA can also be operated in a reverse bias mode. In this mode, the electric field created by the reverse voltage increases the diode\'s sensitivity to light. This mode is particularly useful when a wide range of light intensities must be detected.
Conclusion
The SFH 229FA photodiode from Infineon Technologies is a versatile device that can be used in a variety of applications. It features a wide spectral range, making it suitable for use in medical devices, process control, telecommunications, imaging and spectroscopy, and illumination. The device also operates on the principle of photoelectric effect and features an on-chip amplifier to increase sensitivity and shorten response time. In addition, the SFH 229FA is capable of operating in extreme temperatures and in reverse bias mode, making it an ideal device for long-term stable operations.
The specific data is subject to PDF, and the above content is for reference
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