Mini SMD Digital Pyroelectric Infrared Sensors S18-L242B-2

Overview

SenbaPyroelectric 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. The goods come standard with enhanced immunity to RFI (Radio Frequency Interference) and 2.4G high frequency interference. Senba PIR sensor suppport delay time, sensitivity adjustable, lighting adjustable.

Features

High sensitivity and excellent S/N ratio

Enhanced immunity to RFI (Radio Frequency Interference)

Slight movement can be detectable

High immunity to external noise (vibration, etc.)

Technical Data

Characteristics	Symbol			Unit	Remarks
Working Temperature	TOT	-30	70	℃
Storage Temperature	TST	-40	80	℃
	Into	-100	100	mA
Viewing angle		X=110°	Y=90°
Detection spectral response	λ	5	14	μm

2. ，Except other requirements)

Characteristics	Symbol		Type		Unit	Remarks
Supply Voltage	VDD		3		V
Working Current	IDD	9		11	μA
Sensitivity	VSENS		90		μV	Non-adjustable
Output REL
Output Low Current	IOL	10			mA	VOL<1V
Output High Current	IOH			-10	mA	VOL>(VDD-1V)
Low REL output locking time	IOH				s	Non-adiustable
High REL output delay time	IOH			3600	s
Oscillator &Band Pass Filter(BPF)
Band Pass Filter(BPF) Low cut-off frequency				7	Hz
Band Pass Filter(BPF) High cut-off frequency					Hz
Oscillator frequency on Chip	FCLK			64	kHz
Interior Block Diagram

Applications

Wireless Devices/Mobile Equipment

Wireless occupancy sensors (powered by PV cells or battery)

PC and smart s

Commercial & residential lighting fixtures

Video intercoms

Vending machines

FAQ

1. Can PIR sensor detect cars?

PIR-based Motion Detection: In this case motion is detected by means of a PIR sensor, a passive infrared sensor. This sensor detects emitted infrared energy from objects (humans and animals, but also cars) in the form of heat.

Yes, motion sensors work in the dark. The way that a motion sensor detects 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.

Senba Sensing Technology Co.,Ltd. is a professional china sensor manufacturer. We provide Infrared Thermopile Sensor, Digital PIR Sensor, sensor smd, mini infrared sensor, mini pir sensor module, mini pir motion sensor module, pir based motion detector, small pir sensorand so on. Want to know about pyroelectric infrared sensor working? Please contact us.

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