PDV-P9004

Series:	--
Part Status:	Active
Wavelength:	520nm
Voltage - Max:	150Vpk
Rise Time (Typ):	60ms
Fall Time (Typ):	25ms
Cell Resistance (Min) @ Dark:	2 MOhms @ 10s
Cell Resistance @ Illuminance:	27 ~ 60 kOhms @ 10 lux
Operating Temperature:	-30°C ~ 75°C (TA)

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PDV-P9004 Application Field and Working Principle

The PDV-P9004 is a type of CdS Cells, which is a type of Optical Sensor or Photo Detector. CdS Cells, also known as Cadmium-Sulfide (CdS) cells, are electronic components used in optoelectronic applications for converting optical signals into electronic signals. A variety of industries and applications use them, from the automotive and consumer electronics industries to medical and industrial control systems.CdS Cells come in various shapes and sizes, from cylindrical or flat to curved or rounded. The PDV-P9004 is a flat 48mm x 48mm x 15mm rectangular cell. It features an array of four Electronic Guns arranged in a grid pattern that can detect light entering through the cell’s three window holes.The PDV-P9004 works on the principle of photoconductivity. Photoconductivity is the phenomenon in which the electrical resistance of a material decreases in response to incident light of a certain wavelength. In the cell, when light passes through it, cadmium and sulfide ions migrate towards the illuminated electrode creating a negative charge so that current can flow through the cell. The PDV-P9004 also contains a reverse bias voltage which helps to regulate the current flow.The PDV-P9004 is typically used in applications where optical sensing is needed. Common examples include intruder detection, switch detection, automatic door openers and industrial control. It can be used to detect objects and motion when coupled with an infrared (IR) emitter or an emitter/detector pair. It can also be used as a proximity sensor or as part of an optical alarm system to detect movement within detection range.The PDV-P9004 can also be used in the field of remote sensing, in particular in applications requiring the detection of small objects at long distances and in adverse environmental conditions. One such application is in the search and rescue operations of military and civilian aircraft. The cell’s remote sensing capabilities can be used to detect objects such as ships, submarines, ice and other debris from a distance of up to 500 meters.The PDV-P9004 can operate in a wide range of temperatures, from -20 °C to +100 °C, and is unaffected by moisture and dust. Its long shelf life ensures reliable performance even after extended storage periods.The combination of its small size, light weight and high sensitivity makes the PDV-P9004 an ideal solution for many applications. Thanks to the variety of applications, CdS Cells such as the PDV-P9004 provide a low-cost, low-power and reliable alternative to traditional active sensors, making them an essential tool in the fields of optical sensing and remote sensing.

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