Photo Transistor, Passive Infrared Sensor, 8 to 18 VDC

TransistorSKU: 24P002

$ 2.49


This PIR (Passive Infrared Sensor) is most sensitive in the infrared wavelengths of 8 to 15 microns, where objects, such as human bodies, radiate energy. (Visible energy is @ 0.4 to 0.72 microns, approximately.) This detector generates a voltage when this energy falls on its surface, which is buffered by an N channel FET inside the TO-5 package. Also, this voltage results only from a change of energy, and will output this change only in the range of approximately. 0.24 Hz and 5 Hz. This detector has two sections, poled in opposite polarity, thus energy equally falling on the total surface will produce NO output—and is therefore temperature compensated.

The product datasheet is available here to view

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