PDB-C616-2

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Optical Sensors - Photodiodes

Photodiodes are electronic components with a P-N junction that convert light into an electrical signal. PDB-C616-2 is a type of photodiode developed by Philips Semiconductors and works well as a light sensitive switch. It takes advantage of its sensitivity to a certain wavelength of light to turn on when it senses that particular wavelength, and turn off when the wavelength is removed.

The PDB-C616-2 can be used for a variety of photodetection applications in both industrial and consumer environments. Its fast response time, high photo current gain and uniform spectral response in the visible and infrared regions make it especially suitable for communication, signaling and automotive applications. In the consumer market, PDB-C616-2 has been adopted for use in remote control systems, lighting control, security signaling, and many other applications.

The working principle of this device is based on photovoltaic effect, wherein the photocurrent generated by incident light action is amplified due to the presence of a junction which acts as a gain mechanism. The device consists of two parts – photoactive region and the amplifier region. Furthermore, two buried layers of metals are also formed within the diode structure, and these provide electrical insulation between the P and N regions. In the photoreception area, the incident light falls on the junction and generates a photocurrent, which is further amplified in the second part of the device. When there is no light, there is no amplified charge, and the diode appears to be switched off.

The PDB-C616-2 is ideal for applications such as light triggered switches for garage doors and security systems. It is also suitable for use in desktop photocopiers and for simple sensing or control applications. With its high photo sensitivity and very narrow activation spectrum, it offers a great level of control over a given trigger wavelength. Furthermore, the PDB-C616-2 has a fast response time, making it ideal for applications requiring very short reaction times, such as shutter release mechanisms for camera and video cameras.

In conclusion, PDB-C616-2 is an optoelectronic component developed for the purpose of controlling light-dependent functions and providing accurate responses in a variety of industrial and consumer settings. Its fast response time, high photo current gain and narrow activation spectrum make it well-suited for a range of applications including remote control systems, photo triggering and automatic switching.

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