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Overview

Zilog’s Passive Infrared (PIR) sensors are designed to deliver high performance and

excellent EMI immunity for the most demanding motion detection applications.

The ZSFM323511 PIR sensor is a surface mount device compatible with IR reflow

processes. It is used in combination with a PIR lens and consists of two sensing elements

behind a spectral filter window tuned to 8-13um wavelength to help block out unwanted IR

energy sources. The 0.6mm element spacing provides additional white light protection.

The ZSFM323511 has a standard profile making it compatible with clip-on lenses used with

standard TO5 package PIR sensors.

特性 Features

The key features of ZSFM323511 are:

• Dual-element balanced differential (series opposed) PIR sensor

• High PSRR

• Built in EMI compensation

• White Light Protection

• Elements are 0.75mm x 2.3mm spaced 0.6mm apart

• Surface Mount package

• Recommended operating voltage range of 1V to 15V

• Operating temperature range of -40C to +70C

Applications

• General purpose motion detectors

• Lighting

• Video Doorbell

• IP Camera