HIH8131-021-001S Product Overview

Introduction

The HIH8131-021-001S is a sensor designed for measuring humidity and temperature in various applications. This entry provides a comprehensive overview of the product, including its basic information, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models.

Basic Information Overview

• Category: Sensor
• Use: Measurement of humidity and temperature
• Characteristics: High accuracy, compact size, digital output
• Package: Surface-mount device (SMD)
• Essence: Reliable and precise environmental sensing
• Packaging/Quantity: Typically available in reels of 250 or 500 units

Specifications

• Humidity Measurement Range: 0% to 100% RH
• Temperature Measurement Range: -40°C to 125°C
• Accuracy: ±2% RH, ±0.3°C
• Output Type: I2C digital interface
• Supply Voltage: 2.7V to 5.5V
• Power Consumption: Low power operation

Detailed Pin Configuration

The HIH8131-021-001S sensor has a standard pin configuration with connections for power supply, ground, and I2C communication.

| Pin Name | Description | |----------|-------------------| | VDD | Power Supply (2.7V to 5.5V) | | GND | Ground | | SDA | I2C Data Line | | SCL | I2C Clock Line |

Functional Features

• Integrated humidity and temperature sensing
• Digital output for easy interfacing with microcontrollers
• Low power consumption for battery-operated applications
• Factory-calibrated for accurate measurements

Advantages and Disadvantages

Advantages

• High accuracy in humidity and temperature measurements
• Small form factor for space-constrained designs
• Easy integration with microcontroller-based systems
• Wide operating voltage range for flexibility in power supply

Disadvantages

• Limited to I2C interface, may require additional components for other interfaces
• Not suitable for extreme high-temperature environments

Working Principles

The HIH8131-021-001S utilizes a capacitive polymer sensor for humidity measurement and a precision thermistor for temperature measurement. The sensor's analog signals are converted to digital data and transmitted over the I2C interface.

Detailed Application Field Plans

• HVAC systems
• Weather stations
• Industrial process control
• Consumer electronics
• Automotive climate control

Detailed and Complete Alternative Models

• HIH6130 Series: Similar functionality with different package options
• SHT3x Series: Competing sensor with comparable performance
• BME280: Integrated sensor module with additional pressure measurement

In conclusion, the HIH8131-021-001S sensor offers reliable and accurate environmental sensing capabilities, making it suitable for a wide range of applications. Its compact size, digital output, and low power consumption make it an attractive choice for designers seeking precise humidity and temperature measurements in their products.

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