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SB312

PIR Sensor Module

Passive Infrared Sensor Module 2s Not Adjustable for Home Security System

SB312 Product Introduction

The SB312 is a digital motion sensor developed by Senba Sensing. The SB312 features an improved digital sensor with configurable delay time ranging from 2 seconds to 70 minutes and includes a built-in light sensor with adjustable sensitivity. The SB312 supports both indoor and outdoor installation, and the detection range is user-adjustable. The SB312 provides a standard TTL output signal compatible with microcontroller interfaces and is suitable for applications such as automatic lighting control and presence detection systems.

SB312 Product Features

  • IC integrated

  • Digital Signal Processing

  • Insensitive to RF interferenced

  • For Security Systems

SB312 Technical Data

Model NO.SB312
Size10*8mm
Supply CurrentDC3V~ 12V
Current Drain<20uA
Voltage OutputHigh level signal:3.0V, Standby output  is 0V
Delay time2s not adjustable
Operation Temperature-20℃~ 60℃
Infrared SensorDual element, low noise, high sensitivity
Light SensorNo CDS
TTL OutputTTL output can be directly connected to micro controller or logic device
SensitivityHigh Sensitivity




SB312 Product Specification Document

Access detailed technical information, configuration guides, and solutions notes to support your evaluation and implementation of the SB-2023 Series.

  • SB312 Datasheet

    Comprehensive technical specifications and detailed reference data for modules and components.

    Download
  • SB312 Pinout

    Standard pin assignment, interface definition and signal pin functions for reliable connection.

    Download
  • SB312 Circuit Diagram

    Complete wiring diagram, application schematic and typical connection scheme for design reference.

    Download
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Senba Sensing Technology Co., Ltd.

Provide you with comprehensive product knowledge and details, allowing you to keep up to date with the latest product information.

  • 2005Year

    Founded in

  • 500Million

    Annual Sales

  • 100+

    Technical staff

  • 60+

    Covering countries

  • 126000

    Factory Area

SENBA Sensing Technology Co., Ltd

Senba Sensing Technology is a professional sensor supplier covering r&d, manufacturing, sales and service. The main products include PIR sensors, light sensor, infrared flame sensors, NDIR temperature sensors, differential pressure sensors, etc., mainly used in smart home, security, fire protection, industrial control and other fields.

Senba Sensing Technology was founded in 2005 and listed on Gem board of Shenzhen Stock Exchange in 2017. With more than 18 years of professional experience in the field of sensor manufacturing, Senba Sensing Technology is the leading enterprise in the field of infrared sensors, visible light sensors in China, with the first market share and an annual production of 524.26 million sensors. With the concept of "Intelligent Sensing, Intelligent Life", we strive to build a world-class sensor brand.

  • Senba Sensing Technology Co., Ltd.
  • Senba Sensing Technology Co., Ltd.
  • Senba Sensing Technology Co., Ltd.
  • Senba Sensing Technology Co., Ltd.