2 layers65 × 54 mm
Coffeecaller
tiacsys/ecad-coffeecaller
CoffeeCaller. Once a nice office gadget it now evolved to a small development board for the Nordic nRF52840.
85 parts14CERN-OHL-S-2.0
Overview
The SHT40-CD1B-R3 is an uncategorised made by Sensirion in a DFN-4(1.5x1.5) package with 4 pins. -40℃~+125℃ 0%RH~100%RH 1.08V~3.6V 16bit 400nA Factory calibration、Built-in heater I2C ±0.2℃ ±1.8%RH DFN-4(1.5x1.5) Temperature and Humidity Sensor ROHS.
PCBKit's library has its KiCad symbol (Sensor_Humidity:SHT4x, from KiCad's library) and its footprint (Sensor_Humidity:Sensirion_DFN-4_1.5x1.5mm_P0.8mm_SHT4x_NoCentralPad, from KiCad's library), ready for a KiCad board. 3,811 are in stock at JLCPCB (part C7461852). 5 open-source boards in 4 repositories on GitHub use it.
Symbol
Footprint
Parameters
9- Current - Supply
- 400nA
- Features
- Factory calibration
- Humidity
- 0%RH~100%RH
- Humidity Tolerance
- ±1.8%RH
- Interface
- I2C
- Resolution
- 16bit
- Temperature Range
- -40℃~+125℃
- Temperature Tolerance
- ±0.2℃
- Voltage - Supply
- 1.08V~3.6V
Order codes
1- SHT40-CD1B-R3LCSC C7461852
Pinout
4| Pin | Name | Type |
|---|---|---|
| 1 | SDA | Input/output |
| 2 | SCL | Input |
| 3 | VDD | Power in |
| 4 | VSS | Power in |
Open-source boards using it
All 5- 4 layers36 × 36 mm
Week6 CH592D SHT40 Pro Verification
421890164au-cell/temperature-humidity-sensor-pro
CH592D and SHT40 based low-power BLE temperature and humidity sensor PCB project
25 parts - 2 layers5.7 × 14.9 mm
Air blade
JamesTwallin/gas_sensor
A tiny plug-in board for the rev E phone-companion board. It stands upright in a notch in rev E's sensor end, between the two gas sensor cans, and pokes 4.5 mm out through a slot in the case face, so its tip sits in the…
4 parts7MIT - 2 layers5.7 × 14.9 mm
Air blade
JamesTwallin/gas_sensor
A tiny plug-in board for the rev E phone-companion board. It stands upright in a notch in rev E's sensor end, between the two gas sensor cans, and pokes 4.5 mm out through a slot in the case face, so its tip sits in the…
4 parts7MIT - 2 layers58.4 × 46.7 mm
Kicad esp maitre salle blanche
maxgr2/stage4A
Récupération du code pour mon stage puis modification du projet pour amélioration au fur et à mesure
8 parts
Show this part on your page
<iframe src="https://pcbkit.io/embed/parts/sensirion/SHT40-CD1B-R3" title="SHT40-CD1B-R3 in PCBKit" width="100%" height="480" style="border:0;border-radius:12px" allow="fullscreen" loading="lazy"></iframe><img src="https://pcbkit.io/embed/parts/sensirion/SHT40-CD1B-R3.jpg" alt="SHT40-CD1B-R3" width="1200" height="900">[](https://pcbkit.io/parts/sensirion/SHT40-CD1B-R3)Questions
Is there a KiCad symbol and footprint for the SHT40-CD1B-R3?
Yes. The symbol is Sensor_Humidity:SHT4x and the footprint Sensor_Humidity:Sensirion_DFN-4_1.5x1.5mm_P0.8mm_SHT4x_NoCentralPad, both drawn on this page. PCBKit places them on a board for you when you design with it.
What package is the SHT40-CD1B-R3?
DFN-4(1.5x1.5), with 4 pins. Its footprint is drawn on this page.
Where is the SHT40-CD1B-R3 datasheet?
Sensirion publishes it: the Datasheet link on this page opens it.
Where can I order the SHT40-CD1B-R3?
JLCPCB lists it as part C7461852, with 3,811 in stock; the sellers' links on this page open their listings.
What can replace the SHT40-CD1B-R3?
Parts like it in the library: the SHT40-AD1B-R3 by Sensirion, the SHT45-AD1F-R2 by Sensirion, the SHT41-AD1F-R2 by Sensirion and the SHT40-N-NF by Nyfea. Check their datasheets: a part that fits the footprint may still differ in its ratings.
Which open-source boards use the SHT40-CD1B-R3?
5 boards in 4 repositories on GitHub; the most starred are listed on this page, with their KiCad files.
Parts like it
8
SHT40-AD1B-R3
DFN-4-EP(1.5x1.5)-40℃~+125℃ 0%RH~100%RH 1.08V~3.6V 16bit 400nA Built-in heater I2C ±0.2℃ ±1.8%RH DFN-4-EP(1.5x1.5) Temperature and Humidity Sensor ROHSSensirionUncategorisedSHT45-AD1F-R2
DFN-4-40℃~+125℃ 0%RH~100%RH 1.08V~3.6V 16bit 400nA Factory calibration、Chemical gas resistance、Built-in heater I2C ±0.1℃ ±1%RH DFN-4 Temperature and Humidity Sensor ROHSSensirionUncategorisedSHT41-AD1F-R2
DFN-4(1.5x1.5)-40℃~+125℃ 0%RH~100%RH 1.08V~3.6V 16bit 400nA Factory calibration、Built-in heater I2C ±0.2℃ ±1.8%RH DFN-4(1.5x1.5) Temperature and Humidity Sensor ROHSSensirionUncategorisedSHT40-N-NF
DFN-4(1.5x1.5)DFN-4(1.5x1.5) Temperature and Humidity Sensor ROHSNyfeaUncategorisedSHT41-P-NF
DFN-4(1.5x1.5)DFN-4(1.5x1.5) Temperature and Humidity Sensor ROHSNyfeaUncategorisedSHT40-AD1F-R2
DFN-4(1.5x1.5)-40℃~+125℃ 0%RH~100%RH 1.08V~3.6V 16bit 400nA Factory calibration、Chemical gas resistance、Built-in heater I2C ±0.2℃ ±1.8%RH DFN-4(1.5x1.5) Temperature and Humidity Sensor ROHSSensirionUncategorisedSHT41A-FD1B-R2
DFN-4(1.5x1.5)±2%RH、±0.2℃ DFN-4(1.5x1.5) Temperature and Humidity Sensor ROHSSensirionUncategorisedSHT41I-AD1B-R2
DFN-4(1.5x1.5)-40℃~+125℃ 0%RH~100%RH 16bit 2.3V~5.5V 21uA Factory calibration、Built-in heater I2C ±0.2℃ ±2%RH DFN-4(1.5x1.5) Temperature and Humidity Sensor ROHSSensirionUncategorised