Metal Casing Good Reliablity Phototransistor D57 Series for Light Control Lamp
Owning very strong R&D Center, Senba can research and develop the pyroelectric infrared sensor independently. Among those pir sensor manufacturers, Senba Sensorhas become the first owner of this special technology enterprise in China. We are awarded as "Henan high-tech enterprises" in 2006 and awarded as "Notional high-tech enterprises" in 2012.
After read this, you will know difference between LDRand phototransistor.
Overview
Light dependent resistor is made of semiconductor material. Also name LDR, photoconductor. The electric conductivity changes by the illuminance. The illuminance is more stronger, the value of the resistance will be more weaker. With this chareter, we can produce different size to satified different requirement. We have 5MM and 12MM series.
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