Miniature Temperature Humidity Sensor GXCAS GXHTC3 with Calibration and Compliance Certifications

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Product Description

Product Overview

The GXHTC3 is a highly integrated temperature and humidity sensor IC designed for consumer electronics applications. It offers ultra-low power consumption, I2C protocol compatibility, and a wide supply voltage range (1.6V-5.5V), making it ideal for battery-powered devices. The sensor features factory calibration, a miniaturized DFN6 package (2x2x0.75mm), and typical accuracy of 3 %RH and 0.3 C. Its applications span consumer electronics, cold chain transportation, smart home, smart agriculture, communication equipment, and photovoltaic energy storage.

Product Attributes

  • Brand: BEIJING GALAXY-CAS TECHNOLOGY CO.,LTD
  • Origin: China (implied by company location)
  • Certifications: RoHS, REACH, Halogen compliant (Pb, Cd, Hg free)
  • Packaging Compliance: IPC/JEDEC J-STD-020 moisture sensitive Class 1

Technical Specifications

Parameter Condition Value Unit Comments
Supply voltage @25, 3.3V 1.6 - 5.5 V -
Power-up level Static power supply 1.3 - 1.5 V -
Supply current (Idle state) @25, 3.3V 45 - 80 A After power-up the sensor remains in idle state unless a sleep or measurement command is sent
Supply current (Sleep mode) @25, 3.3V 0.2 - 0.3 A When in sleep mode, the sensor requires a wake-up command to enable other commands
Supply current (Measurement Normal) @25, 3.3V 500 - 860 A Average current consumption while the sensor is measuring
Supply current (Measurement Low power) @25, 3.3V 320 - 620 A Average current consumption while the sensor is measuring
Supply current (Average Normal) @25, 3.3V 3 A Average current consumption (continuous operation with one measurement per second)
Humidity Sensor Accuracy Typ. 3.0 %RH Max. See Figure 3
Humidity Sensor Resolution - 0.01 %RH -
Humidity Sensor Hysteresis - 1.0 %RH -
Humidity Sensor Specified range - 0-100 %RH -
Humidity Sensor Response time 63% 8 s -
Temperature Sensor Accuracy Typ. 0.3 Max. See Figure 5
Temperature Sensor Resolution - 0.01 -
Temperature Sensor Hysteresis - 1.0
Temperature Sensor Specified range - -45 to +130 -
Temperature Sensor Response time 63% s -
Package Dimensions - 220.75 mm DFN6 package
I2C Clock Frequency Normal Mode 0 - 100 KHz -
I2C Clock Frequency Fast Mode Plus 0 - 1000 KHz -
Power-up time After hard reset, VDD > VPOR 180 - 500 s -
Measurement duration (Normal) - 10 - 11 ms -
Measurement duration (Low power) - 1.5 - 2 ms -
I2C Address - 0x70 HEX 1110000 (BINARY)

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Have questions about our products or want to discuss a custom order? Our team is ready to help you.

Company Changsha Purple Horn E-Commerce Co., Ltd.
Location 2332 Kaibin Commercial Plaza, No. 419 Shaoshan Middle Road, Shazitang Street, Yuhua District, Changsha City, Hunan Province
Contact Person Coral

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