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Analog Output 3- 15V Passive Infrared Sensor D204B



D204B come standard with enhanced immunity to EMI (Electro-Magnetic Interference). It widely used in security system.


Senba PIR sensor can detect the wavelengths humans emit which is 8-10um, but Senba PIR can detect 7- 14um. It can be used in security and automation applications. For security applicance, PIR sensor are integrated into the alarm system. There are ceiling type and wall hanging type. For automation applications, PIR sensor d204b    can be integrated into the light control system, automatically turn on the light when somebody enter the detect rang, automatically turn off the light when sombody exit the detect range.




Low Current Consumption


Simplified Circuitry with Fully Integrated Sensor


Wide angle


Recommended Model D204B big window
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 ×108 cmHz1/2/W
Noise[Vp-p] <70mV
Output Balance <10%
Supply Voltage 3—15V
Power Consumption 2-3μA
Operating Temp -30—70ºC
Storage Temp -40—80ºC
 Field of View  



 Equivalent Circuit  




Sensor Switch


The PIR motion sensor adopts high-performance infrared detector. As long as human cross through its detection range, the infrared switch generates an electrical signals.



  1. Why is PIR sensor called passive?


The sensor is called passive because it doesn’t emit light to get measurements. The sensor in PIR is actually split into two parts. The reason for that is to measure motion. … The sensor is also sensitive enough to even detect IR radiation source movement while the object is already in it’s field of view.


  1. How far can a motion sensor detect?


D204B can detect up to distances of 8- 10M.


As one of the most professional pir sensor manufacturers in China, Senba Sensing Technology Co.,Ltd., was founded in 2005, with the focus on producing the top quality photoelectric components. If you want to know more details, just feel free to contact us!


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