SHT15 – Digital Humidity & Temperature Sensor – Sensirion AG

The Sensirion SHT15 is a high-precision digital humidity and temperature sensor module, designed for demanding environmental monitoring applications. Combining robust performance with low power consumption, it delivers reliable data critical for system control and optimization. PCX ensures genuine Sensirion components with fast shipping and dedicated technical support for your projects.

Key Features

• Sensor Type: Integrated Humidity & Temperature
• Humidity Range: 0% to 100% RH
• Output Type: Digital (12-bit resolution)
• Accuracy: ±2% RH
• Response Time: 8 seconds
• Voltage Supply: 2.4V to 5.5V (low power operation)
• Operating Temperature: -40°C to +123°C

Technical Details

This surface-mount sensor utilizes a capacitive polymer element for humidity measurement paired with a bandgap sensor for temperature. It features a fully calibrated digital output via a 2-wire serial interface, simplifying integration. The sensor is housed in a compact 10-SMD module (10-LCC package), ensuring stability in harsh environments. Note: This part is marked obsolete by the manufacturer but remains available for existing designs.

Typical Applications

• HVAC systems and climate control units
• Industrial process monitoring equipment
• Medical devices and ventilators
• Data center environmental controls
• Portable weather stations and IoT devices

About Sensirion AG

Sensirion AG is a global leader in sensor technology, renowned for innovation in environmental and flow sensing solutions. With over two decades of expertise, the Swiss manufacturer sets industry standards for accuracy, miniaturization, and energy efficiency in sensing components.

Sensirion’s rigorous quality control and calibration processes ensure exceptional reliability across medical, automotive, and industrial markets. Their commitment to research delivers cutting-edge sensors trusted by engineers worldwide for critical measurement tasks.

About Humidity & Temperature Sensors

Integrated humidity and temperature sensors are essential for monitoring and controlling environmental conditions in electronic systems. They convert physical parameters into precise digital signals, enabling real-time adjustments in applications ranging from consumer appliances to industrial automation.

Accuracy, response time, and power efficiency are critical factors in sensor selection. Modern digital sensors like the SHT series simplify design by reducing external components and providing calibrated outputs, significantly speeding up development cycles for embedded systems.

Packaging Options

Available in Tape & Reel (TR) packaging for automated SMT assembly processes.

Frequently Asked Questions (FAQs)

Question: Is the SHT15 pin-compatible with other SHT1x sensors?
Answer: Yes, it shares the same pinout and 2-wire interface as other SHT1x series sensors, facilitating design upgrades or replacements.

Question: Does this sensor require external calibration?
Answer: No, each unit is factory-calibrated. The digital output delivers fully corrected humidity and temperature values.

Question: What is the typical power consumption?
Answer: Average current is 550μA (at 3V, 8-bit measurements), making it suitable for battery-powered devices.

Question: Can it operate in condensing environments?
Answer: While robust, prolonged exposure to condensation can damage the sensor. Protective coatings or housings are recommended for such conditions.

Question: Why is this part listed as obsolete?
Answer: Sensirion has superseded the SHT15 with newer models (e.g., SHT3x). It remains available for legacy designs but new developments should consider current alternatives.

Question: Is a datasheet available?
Answer: Yes, access the full SHT15 datasheet on PCXCo.com: Download Here.

Disclaimer: Product images are representational; refer to datasheet for exact specifications.

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