Dual Elements Passive Infrared Sensor Used for Alarm System D203B
Senba Sensing Technology Co Ltd., was founded in 2005, with the focus on producing the top quality photoelectric components, such as intelligent pir sensor, Photoresistor and Light Sensor, etc.
Overview
D203B pirwith big angle windows. It widely used in light sensor. Dual compensated sensing elements are applied to suppress the interference resulting from temperature variation.
D203BSenba Pyroelectric Infrared Sensors with high sensitivity, low noise and reliable performance. We have our own research and development department, with international technology and Hybrid IC technique expertise developed more than 15 years.
Features
Large detection angle
Custom design is available
Higher in cost-performance
|
Item |
D203B |
|
Encapsulation Type |
TO-5 |
|
IR Receiving Electrode |
2×1mm, 2 elements |
|
Window Size |
5×3.8mm |
|
Spectral Response |
5—14μm |
|
Transmittance |
≥75% |
|
Output Signal[Vp-p] |
≥3500mV |
|
Sensitivity |
≥3300V/W |
|
Detectivity(D*) |
≥1.4×108cmHz1/2/W |
|
Noise[Vp-p] |
<70mV |
|
Output Balance |
<10% |
|
Offset Voltage |
|
|
Supply Voltage |
3—15V |
|
Operating Temp |
-30—70ºC |
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Storage Temp |
-40—80ºC |
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Field of View |
|
|
Equivalent Circuit |
Applications
Lighting Switch
Vending machines
Automatic control
FAQ
D203B datasheetcan detect up to distances of 8- 10M.
- How passive infrared sensors work
Yes, motion sensors work in the dark. The way that a dual pir sensordetects movement has nothing to do with how light or dark it is in the immediate area. ... Since infrared energy is present and can be detected regardless of the amount of light in the environment, a PIR motion sensor will work just fine in the dark.
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