2 layers70 × 50 mm
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IgorCulafic/PCBSmith
Open-source PCB design tools: KiCad workflows, automatic routing, design review and laser fabrication. Working toward plain-language circuit-to-board design.
104 partsAGPL-3.0
SHT45-AD1B-R3
SensirionExtended
-40℃~+125℃ 0%RH~100%RH 1.08V~3.6V 16bit 400nA Factory calibration、Built-in heater I2C ±0.1℃ ±1%RH SMD-4P Temperature and Humidity Sensor ROHS
- Part id
- sensirion/SHT45-AD1B-R3
- Category
- Uncategorised
- Package
- SMD-4P
- Pins
- 5
- In stock
- 0 at JLCPCB (C6705435)
- Used on
- 1 open-source board
Overview
The SHT45-AD1B-R3 is an uncategorised made by Sensirion in a SMD-4P package with 4 pins. -40℃~+125℃ 0%RH~100%RH 1.08V~3.6V 16bit 400nA Factory calibration、Built-in heater I2C ±0.1℃ ±1%RH SMD-4P 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. JLCPCB lists it (part C6705435). 1 open-source board in 1 repository on GitHub use it.
Symbol
Footprint
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
1Parts 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 ROHSSensirionUncategorisedSHT40-CD1B-R3
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 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 ROHSSensirionUncategorised
Questions
Is there a KiCad symbol and footprint for the SHT45-AD1B-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 SHT45-AD1B-R3?
SMD-4P, with 4 pins. Its footprint is drawn on this page.
Where is the SHT45-AD1B-R3 datasheet?
Sensirion publishes it: the Datasheet link on this page opens it.
Where can I order the SHT45-AD1B-R3?
JLCPCB lists it as part C6705435, with 0 in stock; the sellers' links on this page open their listings.
What can replace the SHT45-AD1B-R3?
Parts like it in the library: the SHT40-AD1B-R3 by Sensirion, the SHT45-AD1F-R2 by Sensirion, the SHT40-CD1B-R3 by Sensirion and the SHT41-AD1F-R2 by Sensirion. Check their datasheets: a part that fits the footprint may still differ in its ratings.
Which open-source boards use the SHT45-AD1B-R3?
1 board in 1 repository on GitHub; the most starred are listed on this page, with their KiCad files.