4666
TO-5 Variant, 4 Leads, Lens Top Metal Can
35403866-4666
Adafruit Accessories Mini Basic PIR Sensor - BS412
The operating temperature is the range of ambient temperature within which a power supply, or any other electrical equipment, operate in. This ranges from a minimum operating temperature, to a peak or maximum operating temperature, outside which, the power supply may fail.
a group of products which fulfill a similar need for a market segment or market as a whole.
It is the sensing range for which the sensor can stably detect the standard sensing object even if there is an ambient temperature drift and/or supply voltage fluctuation. (Normally, it is 70 to 80 % of the maximum operation distance.)
a particular group of related products.