Sensirion SHT21, Temperature & Humidity Sensor -40 to +125 °C ±0.3 °C, ±2%RH Serial-I2C, 6-Pin DFN

RS Stock No.:
7865554
Mfr. Prt No.:
SHT21
Brand:
Sensirion

Technical Reference

Legislation and Compliance

RoHS Certificate of Compliance

RS Components
RoHS Certificate of Compliance

EU Directives 2011/65/EU and 2015/863 restrict the use of the 10 substances below in the manufacture of specified types of electrical equipment.

Whilst this restriction does not legally apply to components, it is recognised that component “compliance” is relevant to many customers.

RS definition of RoHS Compliance:

  • The product does not contain any of the restricted substances in concentrations and applications banned by the Directive,
  • and for components, the product is capable of being worked on at the higher temperatures required by lead–free soldering

The restricted substances and maximum allowed concentrations in the homogenous material are, by weight:

SubstanceConcentration
Lead0.1%
Mercury0.1%
PBB (Polybrominated Biphenyls)0.1%
PBDE ( Polybrominated Diphenyl Ethers)0.1%
Hexavalent Chromium0.1%
Cadmium0.01%
DEHP (Bis (2-Ethylhexl) phthalate)0.1%
BBP (Benzyl butyl phthalate)0.1%
DBP (Dibutyl phthalate)0.1%
DIBP (Diisobutyl phthalate)0.1%

The supplier of the item listed below has informed RS Components that the product is "RoHS Compliant".

RS Components has taken all reasonable steps to confirm this statement. Information relates only to products sold on or after the date of this certificate.

Compliant Product Details
RS stock number 7865554
Product description Sensirion SHT21, Temperature & Humidity Sensor -40 to +125 °C ±0.3 °C, ±2%RH Serial-I2C, 6-Pin DFN
Manufacturer / Brand Sensirion
Manufacturer part number SHT21

RS Components Ltd, Birchington Road, Corby, Northants, NN17 9RS, UK

Statement of Conformity

RS Components
Statement of Conformity

This statement confirms that the product detailed below complies with the specifications currently published in the RS media and has been subject to the strict quality conditions imposed by RS Components’ internal management systems. Furthermore and where applicable, it confirms that all relevant semiconductor devices have been handled and packed under conditions that meet the administrative and technical requirements of ANSI/ESD S20.20 and EN61340-5-1 electrostatics control standards.

Compliant Product Details
RS stock number 7865554
Product description Sensirion SHT21, Temperature & Humidity Sensor -40 to +125 °C ±0.3 °C, ±2%RH Serial-I2C, 6-Pin DFN
Manufacturer / Brand Sensirion
Manufacturer part number SHT21

The foregoing information relates to product sold on, or after, the date shown below.

RS COMPONENTS

Date Apr 15, 2024

RS Components Pte Ltd Robinson Road, P.O. Box 1582, Singapore 903132


Product Details

Temperature & Humidity Sensors, Sensirion

SHT2x Digital Humidity & Temperature Sensors

The Sensirion SHT2x series of DFN digital humidity & temperature sensors are CMOSens® based. They are an industry standard, widely used humidity and temperature sensor. Humidity is measured using a capacitive sensor while temperature is measured using a band-gap sensor.
The SHT2x sensors also contain a version 4 silicon chip with an amplifier, A/D converter, OTP memory and a digital interface. They come in a plastic package which leaves the sensor area open, protecting the devices from external impact and providing long-term stability.
SHT2x sensors are ideal for both high and low volume applications.
The SHT21P has a PWM output and the SHT21S has a PDM output; these can be converted into analogue outputs by the use of suitable low-pass filters.
SHT20 - Low cost, SHT21 - Standard, SHT25 - High Accuracy

CMOSens® based technology
Fully calibrated
I²C serial interface (Not SHT21P/SHT21S)
Digital output
Low power consumption
Long-term stability
Supply voltage range: 2.1 to 3.6 V

The following sensors are available:

123-7351 · SHT20 · I²C Digital output
786-5554 · SHT21 · I²C Digital output
876-5055 · SHT21P · PWM output
876-5064 · SHT21S · PDM output
727-6226 · SHT25 · I²C Digital output


Specifications

Attribute Value
Brand Sensirion
Sensor Function Temperature & Humidity
Output Type Digital
Interface Type Serial-I2C
Accuracy ±0.3 °C, ±2 %RH
Mounting Type Surface Mount
Pin Count 6
Operating Temperature Range -40 to +125 °C
Minimum Operating Temperature -40 °C
Maximum Operating Temperature +125 °C
Minimum Operating Supply Voltage 2.1 V
Maximum Operating Supply Voltage 3.6 V
Package Type DFN
Length 3 mm
Height 1.1 mm
Width 3 mm
Dimensions 3 x 3 x 1.1 mm
Resolution 8 → 14 bit
Checking stock...
IDR
115,798.56
Out of stock
Price Each
Unit(s)Per Unit(IDR)
1115,798.56
*price per unit indicative
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