Sensors

Air Quality Sensor CO2 Sensor 2.5V/3.3V/5V 20-Pin SMD EP T/R The SCD41-D-R1 is a miniature photoacoustic carbon dioxide sensor module developed by Sensirion for high-accuracy environmental sensing applications. The device integrates a CO₂ sensing element, temperature sensor, humidity sensor, optical components, calibration memory, and digital signal processing into a compact surface-mount package suitable for embedded systems and portable electronics. The sensor utilizes photoacoustic sensing technology to provide precise carbon dioxide concentration measurements while maintaining low power consumption and long-term stability. Integrated humidity and temperature sensing capabilities enable environmental compensation and simplify system integration by reducing the need for external sensors. The SCD41 communicates through a standard I²C digital interface and supports automatic self-calibration functions for reliable long-term operation. Its compact footprint and low energy requirements make it suitable for battery-powered devices, smart building systems, HVAC equipment, indoor air quality monitoring systems, and IoT applications. The module is factory calibrated and designed for continuous monitoring of indoor air quality conditions. The integrated architecture minimizes external component requirements while enabling accurate sensing performance across a wide operating range. Key Features Photoacoustic CO₂ sensing technology Integrated temperature and humidity sensing High accuracy carbon dioxide measurement I²C digital communication interface Low power consumption operation Automatic self-calibration support Compact surface-mount package Factory calibrated output Long-term measurement stability Optimized for indoor air quality applications Low-profile PCB mounting design RoHS and halogen-free compliant Electrical Characteristics Low-voltage supply operation Low average current consumption suitable for portable devices Integrated digital signal processing Non-volatile calibration memory Standard I²C communication compatibility Stable operation across industrial environmental conditions Mechanical Characteristics Compact SMD package for space-constrained applications Surface-mount assembly compatible Low-profile package structure Integrated optical cavity and sensing chamber Moisture-sensitive device requiring controlled handling during assembly Functional Characteristics Real-time carbon dioxide concentration monitoring Simultaneous temperature and humidity measurement Automatic environmental compensation Continuous and periodic measurement modes Fast startup and measurement response Long operational lifetime with stable calibration Optimized airflow design for accurate sensing Suitable for continuous indoor environmental monitoring Typical Applications Indoor air quality monitoring systems Smart thermostats and HVAC controllers Building automation equipment Demand-controlled ventilation systems Portable environmental monitoring devices Smart home and IoT products Air purification systems Occupancy and ventilation monitoring Battery-powered sensing devices Consumer and industrial environmental monitoring equipment #commonpartslibrary #sensor #airquality

Air Quality Sensor CO2 Sensor 2.5V/3.3V/5V 20-Pin SMD EP T/R The SCD41-D-R1 is a miniature photoacoustic carbon dioxide sensor module developed by Sensirion for high-accuracy environmental sensing applications. The device integrates a CO₂ sensing element, temperature sensor, humidity sensor, optical components, calibration memory, and digital signal processing into a compact surface-mount package suitable for embedded systems and portable electronics. The sensor utilizes photoacoustic sensing technology to provide precise carbon dioxide concentration measurements while maintaining low power consumption and long-term stability. Integrated humidity and temperature sensing capabilities enable environmental compensation and simplify system integration by reducing the need for external sensors. The SCD41 communicates through a standard I²C digital interface and supports automatic self-calibration functions for reliable long-term operation. Its compact footprint and low energy requirements make it suitable for battery-powered devices, smart building systems, HVAC equipment, indoor air quality monitoring systems, and IoT applications. The module is factory calibrated and designed for continuous monitoring of indoor air quality conditions. The integrated architecture minimizes external component requirements while enabling accurate sensing performance across a wide operating range. Key Features Photoacoustic CO₂ sensing technology Integrated temperature and humidity sensing High accuracy carbon dioxide measurement I²C digital communication interface Low power consumption operation Automatic self-calibration support Compact surface-mount package Factory calibrated output Long-term measurement stability Optimized for indoor air quality applications Low-profile PCB mounting design RoHS and halogen-free compliant Electrical Characteristics Low-voltage supply operation Low average current consumption suitable for portable devices Integrated digital signal processing Non-volatile calibration memory Standard I²C communication compatibility Stable operation across industrial environmental conditions Mechanical Characteristics Compact SMD package for space-constrained applications Surface-mount assembly compatible Low-profile package structure Integrated optical cavity and sensing chamber Moisture-sensitive device requiring controlled handling during assembly Functional Characteristics Real-time carbon dioxide concentration monitoring Simultaneous temperature and humidity measurement Automatic environmental compensation Continuous and periodic measurement modes Fast startup and measurement response Long operational lifetime with stable calibration Optimized airflow design for accurate sensing Suitable for continuous indoor environmental monitoring Typical Applications Indoor air quality monitoring systems Smart thermostats and HVAC controllers Building automation equipment Demand-controlled ventilation systems Portable environmental monitoring devices Smart home and IoT products Air purification systems Occupancy and ventilation monitoring Battery-powered sensing devices Consumer and industrial environmental monitoring equipment #commonpartslibrary #sensor #airquality

Air Quality Sensors VOC and NOx (MOX) Gas Pollutant Sensor The SGP41-D-R4 is a compact digital gas sensor developed by Sensirion for indoor air quality monitoring applications. It is designed to detect volatile organic compounds (VOC) and nitrogen oxides (NOx) using Sensirion’s CMOSens® sensor technology. The device integrates sensing elements, analog front-end circuitry, calibration memory, and digital signal processing within a miniature surface-mount package, enabling accurate and reliable environmental sensing with minimal external components. The sensor communicates through a standard I²C digital interface and is optimized for low-power operation, making it suitable for battery-powered and portable electronic systems. The SGP41 is intended for use in air purifiers, HVAC systems, smart home devices, wearable electronics, environmental monitoring equipment, and other applications requiring real-time indoor air quality assessment. The device supports humidity-compensated measurements when paired with an external humidity and temperature sensor, improving long-term stability and measurement accuracy. Factory calibration eliminates the need for manual calibration during manufacturing. Key Features Digital VOC and NOx gas sensing CMOSens® technology integration I²C communication interface Fully calibrated and linearized output Humidity compensation capability Low power consumption operation Compact DFN surface-mount package Fast response and recovery characteristics Optimized for indoor air quality applications RoHS and halogen-free compliant Electrical Characteristics Supply voltage operation compatible with low-voltage embedded systems Low average current consumption suitable for portable devices Integrated digital signal processing and calibration memory I²C serial communication support with standard addressing Stable operation across industrial temperature ranges Mechanical Characteristics Small DFN package optimized for compact PCB layouts Surface-mount assembly compatible Low-profile package suitable for space-constrained designs Moisture-sensitive device requiring proper handling during assembly Functional Characteristics Simultaneous VOC and NOx sensing capability Real-time indoor air quality monitoring Compensation support for environmental humidity effects Long-term measurement stability Fast startup and measurement readiness Designed for continuous sensing applications Typical Applications Indoor air quality monitoring systems Smart thermostats and HVAC controllers Air purifiers and ventilation systems Smart home and IoT devices Portable environmental monitoring equipment Wearable health and wellness devices Building automation systems Consumer electronics requiring air quality detection #Sensor #Transducer #Gas#Sensor #SGP41

Pressure Sensor 4.35PSI ~ 18.13PSI (30kPa ~ 125kPa) 9-LGA The BMP585 is a high-precision digital barometric pressure sensor designed for accurate altitude and environmental pressure measurement in compact, low-power embedded systems. It integrates a MEMS sensing element with advanced signal conditioning and digital compensation circuitry to provide highly stable and reliable pressure and temperature data across a wide operating range. The device is optimized for portable electronics, industrial sensing, indoor navigation, weather monitoring, drones, and IoT applications requiring precise atmospheric measurements. The sensor supports digital communication through standard serial interfaces, enabling straightforward integration with modern microcontrollers and processors. Its low noise performance, high resolution, and fast response characteristics make it suitable for applications involving motion tracking, vertical positioning, and environmental monitoring. The compact surface-mount package allows efficient PCB layout integration in space-constrained designs. The BMP585 incorporates configurable sampling, filtering, and power management features to balance measurement accuracy, bandwidth, and energy consumption. Internal calibration and compensation algorithms reduce system-level complexity while improving long-term stability and measurement consistency. The device is designed for robust operation under varying environmental conditions and supports low-power modes for battery-operated systems. Engineering Specification Device Type Digital barometric pressure and temperature sensor Sensor Functions Atmospheric pressure sensing Temperature sensing Altitude estimation support Pressure Measurement High-resolution MEMS pressure sensing element Integrated digital compensation and calibration Low-noise pressure measurement architecture Temperature Measurement Integrated temperature sensing for environmental monitoring and pressure compensation Communication Interface I²C interface support SPI interface support Power Features Low-power operation Configurable performance and sampling modes Sleep and standby operating capability Signal Processing Integrated digital filtering Configurable oversampling Internal compensation engine Package Information Compact surface-mount package RoHS-compliant construction Operating Characteristics High measurement stability Fast response time Designed for portable and industrial environments Application Areas Wearable devices Indoor navigation systems Portable weather stations Industrial monitoring IoT sensing nodes Drones and altitude tracking systems Consumer electronics #commonpartslibrary #integratedcircuit #pressuresensor

Pressure Sensor 4.35PSI ~ 18.13PSI (30kPa ~ 125kPa) Absolute 10-WFLGA The BMP581 is a high-precision digital barometric pressure sensor designed for altitude tracking, environmental monitoring, navigation, weather sensing, and industrial measurement applications. It integrates a MEMS pressure sensing element with a low-noise analog front end and digital signal processing to deliver highly accurate pressure and temperature measurements over a wide operating range. The device supports low-power operation, making it suitable for portable, battery-powered, and always-on sensing systems. The sensor communicates through standard digital interfaces and includes configurable sampling, filtering, and interrupt features for flexible system integration. Its compact package enables use in space-constrained embedded designs such as wearables, mobile devices, drones, smart home systems, IoT devices, and industrial instrumentation. Engineering Specification Device Type Digital barometric pressure and temperature sensor Manufacturer Bosch Sensortec Pressure Measurement High-resolution absolute pressure measurement with integrated temperature compensation Temperature Measurement Integrated digital temperature sensing for environmental monitoring and pressure compensation Pressure Range Wide atmospheric pressure sensing range suitable for altitude and environmental applications Interface Support I²C and SPI digital communication interfaces Supply Voltage Low-voltage operation optimized for embedded and portable systems Power Consumption Ultra-low power modes with configurable performance and sampling settings Measurement Features Oversampling support with programmable output data rate and internal filtering Accuracy High absolute and relative pressure accuracy for precise altitude estimation and environmental sensing Noise Performance Low-noise sensor architecture for stable pressure readings and improved altitude resolution Interrupt Features Configurable interrupt generation for data-ready and threshold-based events FIFO Support Integrated FIFO buffering for efficient sensor data management Operating Temperature Industrial temperature operating capability for consumer and industrial environments Package Type Compact surface-mount package optimized for small PCB footprint designs Applications Altitude tracking, indoor navigation, weather stations, drones, wearable electronics, IoT sensing, HVAC systems, industrial monitoring, and portable devices #CommonPartsLibrary #Sensor #Transducer #PressureSensor

Humidity, Temperature 0 ~ 100% RH I2C ±2% RH 8 s Surface Mount The SHTC3-TR-2.5KS is a digital humidity and temperature sensor from Sensirion, designed for high accuracy, low power consumption, and compact integration. It utilizes a fully calibrated capacitive humidity sensor and bandgap temperature sensor, providing precise environmental measurements via an I²C interface. The device is optimized for battery-powered and space-constrained applications, featuring ultra-low power consumption and sleep modes, making it ideal for IoT, wearable, and mobile devices. Key Features Relative humidity and temperature sensing in a single package Fully calibrated and linearized digital output I²C interface (up to 1 MHz fast mode) Ultra-low power consumption with sleep mode High accuracy and fast response time Small DFN package for compact designs Factory calibrated, no external calibration required Mechanical Characteristics Package Type: DFN (Dual Flat No-Lead) Package Size: ~2.0 mm × 2.0 mm × 0.75 mm Mounting Type: Surface mount (SMT) Terminals: Bottom pads Electrical Characteristics Supply Voltage (VDD): 1.62 V to 3.6 V Average Supply Current: Measurement: ~170 µA Sleep Mode: ~0.3 µA Interface: I²C (address selectable) Output: Digital (temperature and relative humidity) Sensing Performance Humidity Range: 0 to 100 %RH Humidity Accuracy: ±2 %RH (typical) Temperature Range: -40°C to +125°C Temperature Accuracy: ±0.2°C (typical) Response Time (τ63%): ~8 seconds (humidity) Functional Features Low-power measurement modes (normal and low power) Sleep mode for minimal energy consumption CRC checksum for data integrity Clock stretching support (optional) Environmental Specifications Operating Temperature Range: -40°C to +125°C Storage Temperature Range: -40°C to +125°C Packaging Information Packaging Type: Tape & Reel (TR) Reel Quantity: 2,500 units (2.5KS) Lead-Free / RoHS compliant Typical Applications Wearable devices Smartphones and mobile electronics IoT sensors and nodes Smart home devices (thermostats, air quality monitors) HVAC systems Environmental monitoring #CommonPartsLibrary #Sensor #Transducer #Humidity #Moisture-Sensor

Humidity, Temperature 0 ~ 100% RH I2C ±1.8% RH 4 s Surface Mount The SHT41I-AD1B-R2 is a high-accuracy digital humidity and temperature sensor from Sensirion designed for industrial and harsh-environment applications requiring reliable environmental monitoring. The device integrates calibrated relative humidity and temperature sensing elements with signal processing and digital communication in a compact surface-mount package. It provides fully calibrated digital output through an I²C interface, enabling straightforward integration into embedded systems, industrial controllers, HVAC equipment, environmental monitoring systems, portable instrumentation, and IoT devices. The sensor incorporates low power consumption, fast response time, and enhanced long-term stability for precision sensing applications. Engineering Specification Manufacturer: Sensirion AG Manufacturer Part Number: SHT41I-AD1B-R2 Device Type: Digital Relative Humidity and Temperature Sensor Sensor Functions: Relative Humidity Measurement and Temperature Measurement Humidity Sensing Range: Full Relative Humidity Range Support Temperature Sensing Range: Wide Industrial Temperature Operating Range Humidity Accuracy: High-Precision Calibrated Measurement Temperature Accuracy: High-Precision Calibrated Measurement Output Interface: I²C Digital Serial Interface Supply Voltage: Low Voltage Operation Compatible with Embedded Systems Power Consumption: Ultra-Low Power Consumption Calibration: Factory Calibrated and Linearized Response Time: Fast Environmental Response Repeatability: High Measurement Repeatability Long-Term Stability: Optimized for Industrial Reliability Integrated Features: Signal Conditioning, Analog-to-Digital Conversion, Temperature Compensation, CRC Data Integrity Checking Package Type: Surface-Mount DFN Package Mounting Style: Surface Mount Technology Application Areas: Industrial Automation, HVAC Systems, Environmental Monitoring, Smart Sensors, Portable Devices, Data Loggers, IoT Equipment, Building Automation, Weather Monitoring Systems Compliance Features: RoHS Compliant and Halogen-Free Packaging Support #CommonPartsLibrary #Sensor #Transducer #Moisture-Sensor #SHT4

Humidity, Temperature 0 ~ 100% RH I2C ±1% RH 4 s Surface Mount #commonpartslibrary #integratedcircuit #sensor #humidity

Temperature Sensor Digital, Local -40°C ~ 125°C 10 b 8-MSOP The MCP9808T-E/MS is a high-accuracy digital temperature sensor developed by Microchip Technology for precision thermal monitoring applications. The device communicates through a standard I²C-compatible serial interface and is optimized for low-power embedded systems requiring accurate ambient temperature measurement. It integrates internal temperature sensing, analog-to-digital conversion, programmable alert functionality, and configurable power management within a compact MSOP package. The sensor is designed for applications including industrial monitoring, consumer electronics, IoT devices, thermal management systems, medical instrumentation, and battery-powered portable equipment. Its low operating current and shutdown capability make it suitable for energy-efficient systems where thermal accuracy and minimal power consumption are critical. The device supports programmable temperature limits and interrupt generation for over-temperature events, enabling autonomous thermal supervision without continuous host processor intervention. The MCP9808T-E/MS maintains high measurement accuracy across a wide operating temperature range and offers stable digital output without requiring external calibration components. Electrical Characteristics Supply voltage operation supports low-voltage and standard logic systems. Low operating current enables efficient continuous monitoring. Shutdown mode significantly reduces power consumption during inactive periods. Digital I²C interface supports standard and fast communication modes. Integrated temperature conversion engine provides direct digital temperature output. Temperature Sensing Features High-accuracy ambient temperature measurement. Wide operating temperature range suitable for industrial environments. Programmable resolution for balancing conversion speed and precision. Configurable upper, lower, and critical temperature alert thresholds. Integrated hysteresis control for stable thermal event detection. Communication Interface I²C-compatible serial communication interface. Configurable slave addressing for multi-device bus operation. Supports read and write access to internal configuration registers. Compatible with common microcontrollers and embedded processors. Functional Features Integrated alert output for thermal event signaling. Programmable interrupt and comparator operating modes. Internal registers support temperature monitoring and device configuration. Power-on reset circuitry ensures predictable startup behavior. Device identification registers support system-level verification. Mechanical Characteristics Package type is MSOP with compact surface-mount footprint. Suitable for automated PCB assembly processes. RoHS-compliant and lead-free manufacturing. Typical Applications Industrial temperature monitoring systems. Portable battery-powered electronics. Embedded microcontroller systems. Thermal protection and supervision circuits. Consumer and IoT sensing devices. Medical and laboratory instrumentation. #CommonPartsLibrary #Sensor #Transducer #Temperature-Sensor #MCP9808

Temperature Sensor Digital, Local -40°C ~ 125°C 16 b 4-PICOSTAR (0.76x0.76) The TMP114NCIYMTR is a high-accuracy digital temperature sensor designed for precision thermal monitoring applications in industrial, automotive, medical, and embedded electronic systems. The device integrates a precision band-gap temperature sensing element, analog-to-digital conversion circuitry, EEPROM memory, and a digital communication interface within a compact low-power package. The sensor supports accurate local temperature measurements with factory calibration and programmable alert functionality, enabling reliable thermal protection and environmental monitoring in space-constrained designs. Engineering Specification Manufacturer: Texas Instruments Manufacturer Part Number: TMP114NCIYMTR Device Type: Digital Temperature Sensor Temperature Measurement Method: Local Semiconductor Temperature Sensing Interface Type: I²C-Compatible Serial Interface Supply Voltage Range: Ultra-Low Voltage Operation Compatible with Battery-Powered Systems Temperature Measurement Range: Industrial Temperature Range Support Accuracy: High-Precision Factory-Calibrated Temperature Measurement Resolution: High-Resolution Digital Temperature Output Conversion Architecture: Integrated Sigma-Delta Analog-to-Digital Conversion Programmable Features: High and low temperature alert thresholds EEPROM-stored configuration settings Programmable conversion rate Offset correction calibration Alert and interrupt functionality Power Consumption: Optimized for Low-Power Embedded Applications Communication Speed: Standard and Fast-Mode I²C Support Package Type: Small Outline Leadless Package Mounting Type: Surface Mount Technology Operating Environment: Suitable for Industrial and Embedded Control Systems Protection Features: Integrated thermal monitoring alerts Nonvolatile configuration retention Robust digital communication interface Applications: Industrial temperature monitoring Medical instrumentation Battery-powered electronics Thermal management systems Precision embedded sensing Data acquisition equipment Environmental monitoring devices #commonpartslibrary #integratedcircuit #temperaturesensor #digital