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HS3003

Obsolete

High-Performance Relative Humidity and Temperature Sensor

Features

  • RH accuracy: ±2.8% RH typical
  • Fast RH response time (typical 6 seconds)
  • Temperature sensor accuracy: ±0.2 °C typical (-10 °C to +80 °C)
  • 14-bit resolution: 0.01% RH (typical)
  • Low power consumption: 1.0µA average (one RH+T measurement per second, 8-bit resolution, 1.8V supply)
  • Extended supply voltage: 2.3V to 5.5V
HS3003 - Pinout and Application Circuit
HS300x - ICs (relative)
HS300x - ICs
HS3003 - Pinout and Application Circuit
HS3003 - Pinout and Application Circuit
HS300x - ICs (relative)
HS300x - ICs

Description

The HS3003 is a highly accurate, fully calibrated relative humidity and temperature sensor. The high accuracy, fast measurement response time, and long-term stability, along with the small package size, make the HS3003 ideal for a wide number of applications from portable to harsh environments.

An integrated calibration and temperature compensation logic provides fully corrected RH and T values via a standard I²C output. The measured data is internally corrected and compensated for accurate operation over a wide range of temperature and humidity levels–user calibration is not required.

Part NumberStatusSamplesStockPackageLead Count (#)Carrier TypeMoisture Sensitivity Level (MSL)Pb (Lead) FreePb Free CategoryTemp. Range (°C)
HS3003ObsoleteN/AIn StockLGA6#Cut Tape3Yese4 Au-40 to 125°C
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    Recommended Documents (1)

  1. Datasheet
    HS3xxx Datasheet
    RECOMMENDED
    PDF 592 KB R36DS0045EU0101 Rev.1.01 Jun 17, 2024

    Datasheets (1)

  1. Datasheet
    HS3xxx Datasheet
    RECOMMENDED
    PDF 592 KB R36DS0045EU0101 Rev.1.01 Jun 17, 2024

    Application Notes & White Papers (3)

  1. Application Note
    Measuring and Evaluating Relative Humidity (RH) and Temperature (T) for HSx Series Sensors
    PDF 1.81 MB R36AN0021EU0100 Rev.1.00 Jan 14, 2025
    AI-generated Summary: Optimal methods for measuring and evaluating polymer-based capacitive relative humidity (RH) and temperature (T) sensors in the HSx series focus on ensuring accurate, stable, and reliable sensor performance. Key practices include using temperature/humidity-controlled chambers, precise calibration with traceable reference instruments, proper sensor placement, and adequate air circulation. Testing involves controlled RH and temperature profiles, sensor conditioning, and data logging at 1Hz with averaging to reduce noise. Performance metrics like RMSE and mean error help analyze sensor accuracy. The document also addresses troubleshooting common issues such as temperature offsets and humidity variations due to environmental or PCB factors.
  2. Application Note
    Compensating Temperature and Relative Humidity for a PCB
    PDF 131 KB R36AN0017EU0100 Rev.1.00 Nov 17, 2023
    AI-generated Summary: Temperature and relative humidity readings from HS sensors on PCBs can be affected by heat generated by nearby components and limited ventilation. Compensation involves measuring the sensor temperature and environmental temperature with an external calibrated sensor, then correcting the sensor output by subtracting the heating effect. Relative humidity compensation requires calculating saturation vapor pressures at both measured and corrected temperatures, then adjusting the humidity reading accordingly. Equations and examples demonstrate how to apply these corrections to improve accuracy in environments where PCB heat influences sensor readings.
  3. Application Note
    HS300x Custom I2C Address Programming
    PDF 76 KB Oct 14, 2020
    AI-generated Summary: Instructions explain how to change the default I2C address of the HS300x sensor by entering programming mode within 10ms of power-up. The sensor’s non-volatile memory stores the I2C address in specific 16-bit registers, with only the lower 7 bits modifiable. The process involves reading the register to preserve upper bits, modifying bits [6:0], and writing back with strict timing requirements to avoid data corruption. The new address activates after power cycling or by sending a specific command to exit programming mode without power reset. Timing and command sequences are critical to ensure successful address programming.

    Product Notices (PCN, EOL, etc) (6)

  1. End Of Life Notice
    PLC# : 250010 End-of- Life (EOL) process on select part numbers
    PDF 748 KB Apr 15, 2025
  2. Product Change Notice
    PCN# :240004 Change in marking format on humidity sensor HS3000 series
    PDF 316 KB Apr 26, 2024
  3. Product Change Notice
    PCN# : 230018 Change in marking format on select humidity sensor
    PDF 301 KB Aug 28, 2023
  4. Product Change Notice
    PCN# : 230013 Add KESP as alternate test location and REPG as alternate backend location
    PDF 368 KB Jul 26, 2023
  5. Product Change Notice
    PCN# : 220010 Add Traceability Mark on Package Topside Marking on LGA-6
    PDF 99 KB Apr 13, 2022
    6. View More (6)
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Support Communities

  1. HS3003 Accuracy Problem – Need Guidance

    Hi team, I am using the HS3003 sensor with my MCU, but the sensor is not showing accurate values. I tested 15 sensors, and all of them are giving different readings. What should I do to resolve this issue? I have attached the data chart below for reference. Regards  Arun

    Sep 2, 2025
  2. How to differentiate versions of HS300X?

    Hi all, I've acquired different versions of the HS300X temperature/humidity sensors. Is there any way to differentiate it? The mark on package seems not help, since it has the format H3YW, with Y=year and W= work week code. The sensors have an ID number, but I ...

    Jul 4, 2023
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