Humi ChipⅡ (SMD Type) - HCP2D-3V

• Improved Temperature Accuracy & Range (±0.2℃ for ­20 ~ 60℃) s
• Extremely Low Current Consumption (13㎂ operating) s
• I2C with Alarm Function
• ​Enhanced Accuracy of RH% (±2%RH, 14bit )
• ​Pin-to-Pin match with existing HumiChip® s

  • Model Number: HCP2D-3V
  • Data Sheet: Date Sheet File
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  • Humi ChipⅡ (SMD Type)
  • Humi ChipⅡ (SMD Type)
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Product Specification

Product Summary:

    HCP2D-3V is an improved version of HumiChip®, the most advanced and cost effective humidity and temperature sensing solution for virtually anytype of applications.

    Capacitive polymer sensor chip developed and fabricated in-house and CMOS integrated circuit with EEPROM are integrated into one embedded system in a reflow solder-able SMD package.

Individually calibrated and tested, HCP2D-3V performs ±2% from 20% to 80%RH (±4% over entire humidity range), and yet, is simple and ready to use without further calibration or temperature compensation.

    HCP2D-3V provides linear output signals in various interfaces to customer requirements - the standard I2C interface and an Alarm function for preset control at min/max humidity.

    Designed and manufactured by industry leading humidity and temperature sensing technology of SAMYOUNG S&C field proven in HVAC and Auto industry for over 15 years, HCP2D-3V offers another smart sensing solution for excellent reliability, high accuracy, and cost effective sensing applications.


Enhanced Features:

• Improved Temperature Accuracy & Range (±0.2for ­20 ~ 60) s

• Extremely Low Current Consumption (13operating) s

• I2C with Alarm Function

• Enhanced Accuracy of RH% (±2%RH, 14bit )

• Pin-to-Pin match with existing HumiChip® s

• Fast Natural Recovery after Reflow Soldering

• Enhanced Reliability against Chemical



• Energy Saving HVAC Control

Air Conditioning, Refrigeration, IAQ monitoring,Vent Fans, Home Appliances, Humi/Dehumidifiers

• Process Control & Instrumentations

Medical Instruments, Handheld Devices, Weather Stations, Food Processing, Printers, RFIDs

• Automobile & Transportation

Cabin Climate Control, Defogging Control 

Condensing Preventive Device ,

• Mass Quantity Application

OEM custom specification available


Sensor Performance:

Relative Humidity (%RH)



14 bit (0.01%RH)


±2.0 %RH (Figure 1)


±0.2 %RH


±1.5 %RH


<2.0 %RH

Response time

Max 8.0 sec (t 63%)

Operating range

0 ~ 100 %RH (Non-Condensing)

Long term drift

<0.5 %RH/yr (Normal condition)


Temperature (℃)



14 bit (0.01)





Response time

10.0 sec (t 63%)

Operating range

-40 ~ 125

Long term drift

<0.5 %RH/yr (Normal condition)


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