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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

  1. ~1.2V

Supply Voltage

3—15V

Operating Temp

-30—70ºC

Storage Temp

-40—80ºC

Field of View

Equivalent Circuit

Applications

Lighting Switch

Vending machines

Automatic control

FAQ

D203B datasheetcan detect up to distances of 8- 10M.

  1. 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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