UV-A to UV-B SENSING Si PHOTODIODE
S-5420
www.ablic.com © ABLIC Inc., 2018-2019
ULTRAVIOLET LIGHT SENSOR, UV-A to UV-B SENSING Si PHOTODIODE
Rev.1.2_00
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Description
S-5420
www.ablic.com © ABLIC Inc., 2018-2019
ULTRAVIOLET LIGHT SENSOR, UV-A to UV-B SENSING Si PHOTODIODE
Rev.1.2_00
The S-5420 is a photodiode (PD) made of silicon that can detect ultraviolet light at high sensitivity. The output current changes in reaction to light which includes ultraviolet light. Therefore, the S-5420 can detect light intensity of various light sources for LEDs and other devices. Since the S-5420 can detect ultraviolet light intensity, it is particularly well suited for use in various light measurement devices which irradiate ultraviolet light. The S-5420 is composed of two types of ultraviolet photodiodes, a high-sensitivity and a low-sensitivity photodiodes. Using an external circuit, the S-5420 takes the difference of output between the high-sensitivity and low-sensitivity photodiodes, which cuts out visible light components. It results in ultraviolet components detection. Incorporating a surface-mounting type, small, transparent package, the S-5420 allows f...
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