Changsha Purple Horn E-Commerce Co., Ltd.
| Description | Humidity, Moisture Sensors RoHS |
| Mfr. Part # | 5181 |
| Model Number | 5181 |
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Product Specification
| Description | Humidity, Moisture Sensors RoHS | Mfr. Part # | 5181 |
| Model Number | 5181 |
The AM2301B is a digital humidity and temperature sensor module featuring a newly designed ASIC, an improved MEMS semiconductor capacitive humidity sensor, and an on-chip temperature sensor. It offers superior performance with typical accuracy of 2% RH and 0.3 T, and provides fully calibrated digital output via IC protocol. Designed for stability in harsh environments and equipped with fixed mounting holes for versatile installation, the AM2301B is suitable for applications in HVAC, dehumidifiers, testing equipment, consumer products, automobiles, data loggers, weather stations, and more.
| Parameter | Condition | Min | Typical | Max | Unit | Notes |
|---|---|---|---|---|---|---|
| Relative Humidity Characteristics | ||||||
| Resolution | - | - | 0.024 | - | %RH | - |
| Accuracy | - | - | 2 | - | %RH | Based on factory inspection at 3.3V, 25C (excluding hysteresis and non-linearity) |
| Tolerance | Max | - | See Figure 2 | - | %RH | - |
| Repeatable | - | - | 0.1 | - | %RH | - |
| Hysteresis | - | - | 1 | - | %RH | - |
| Nonlinear | - | - | <0.1 | - | %RH | - |
| Response Time (63%) | - | - | <8 | - | s | At 25C and 1 m/s airflow |
| Scope of Work | Extended | 0 | - | 100 | %RH | - |
| Prolonged Drift | Normal | - | <1 | - | %RH/yr | - |
| Electrical Specifications | ||||||
| Supply Voltage | Typical | 2.2 | 3.3 | 5.5 | V DC | - |
| Supply Current (IDD) | Dormancy | - | 250 | - | nA | At VCC = 3.3V, T < 60C |
| Supply Current (IDD) | Measure | - | 980 | - | A | At VCC = 3.3V, T < 60C |
| Power Consumption | Dormancy | - | - | 0.8 | W | At VCC = 3.3V, T < 60C |
| Power Consumption | Measure | - | - | 3.2 | mW | At VCC = 3.3V, T < 60C |
| Temperature Characteristics | ||||||
| Resolution | Typical | - | 0.01 | - | C | - |
| Accuracy | Typical | - | 0.3 | - | C | - |
| Tolerance | Max | - | See Figure 3 | - | C | - |
| Repeatable | - | - | 0.1 | - | C | - |
| Hysteresis | - | - | 0.1 | - | C | - |
| Response Time (63%) | 5 - 30 C | - | - | - | s | - |
| Scope of Work | Extended | -40 | - | 80 | C | - |
| Prolonged Drift | Normal | - | <0.1 | - | C /yr | - |
| Absolute Maximum Ratings | ||||||
| VDD to GND | - | -0.3 | - | 5.5 | V | - |
| Digital I/O Pins (SDA, SCL) to GND | - | -0.3 | - | VDD+0.3 | V | - |
| Input current per pin | - | -10 | - | 10 | mA | - |
| Pin | Name | Color | Description |
|---|---|---|---|
| 1 | VDD | Red | Power supply (2.2V to 5.5V) |
| 2 | SCL | White | Serial Clock, Bidirectional Port |
| 3 | SDA | Yellow | Serial Data, Bidirectional Port |
| 4 | GND | Black | Ground |
Refer to Figure 12 for outer dimensions (unit: mm, tolerance: 0.2 mm).
The AM2301B uses the standard IC protocol for communication.
Company Details
Business Type:
Manufacturer,Distributor/Wholesaler,Agent,Importer
Year Established:
2009
Employee Number:
300~500
Ecer Certification：
Verified Supplier
Changsha Purple Horn E-Commerce Co., Ltd.. is a professional company focus on integrated circuit ic business. Purple Horn will also responsible with exporting and logistic business. there is professional factory Beijing Silk Road which focus on desigining and manufacture. Founded in 2009, Our compa... Changsha Purple Horn E-Commerce Co., Ltd.. is a professional company focus on integrated circuit ic business. Purple Horn will also responsible with exporting and logistic business. there is professional factory Beijing Silk Road which focus on desigining and manufacture. Founded in 2009, Our compa...
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