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Introduction of Light Sensor and test method

Introduction of Light Sensor and test method

Published:2013-7-11 8:56:32

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The Good Take Optical sensor series, are divided into two major categories:First the Photo diode & Photo transistor. And second is the Ambient light sensor. All products feature with low power consumption, fast response time, and immunity against environment disturbance.

The product brand name ABLEIR, which is known to the market, has become the symbol of quality China Made Infrared Devices, which are qualified by major domestic electronics manufacturers as “Direct Ship-to-Stock Supplier”

Overview of the Photo diode & its test method:

Photo Diode is a light sensitive device which can converts light into electric current, by means of silicon PN junction of the photo diode, similar structure as in a general purpose diode. In order to improve the linearity and stability performance, a metal shielding may be installed, which makes the package similar to a 3-terminals optical sensor.

Photo Diode is operating normally in reverse biased, Good Take will do the light tests, while the light spectrum characteristics is determined by the doping of impurities during fabrication of the semiconductor materials.

Good Take Product types & part numbers:

Photo Diode  

AT40E-PD-12,

AT40B-PD-12,

AT403-PD-01,

AT403-PD-01,

AT405-PD-01,

AT40F-PD-81

Photo Transistor

AT403-PT-02,

AT405-PT-02,

AT405-PT-01,

AT40S-PT-02

Among all, the AT40E-PD-12 and AT40B-PD-12 can be a good replacement of ALS_PD70_01C_TR, which is widely used in the popular 3D glasses.Other applications such as smoke alarm and projector.

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