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| Part Number | SI7021-A20-GM1R | SI7021-A20-IM1R | SI7021-A20-IM1 | SI7021-A20-GM1 | SI7021-A20-YM1R |
| Manufacturer | Silicon Labs | Silicon Labs | Silicon Labs | Silicon Labs | Silicon Labs |
| Series | - | - | - | - | - |
| Package/Case | 6-WDFN Exposed Pad | 6-WDFN Exposed Pad | 6-WDFN Exposed Pad | 6-WDFN Exposed Pad | 6-WDFN Exposed Pad |
| Packaging | Tape & Reel (TR) | Tape & Reel (TR) | Strip | Strip | Tape & Reel (TR) |
| Product Status | Not For New Designs | Not For New Designs | Not For New Designs | Not For New Designs | Not For New Designs |
| Sensor Type | Humidity, Temperature | Humidity, Temperature | Humidity, Temperature | Humidity, Temperature | Humidity, Temperature |
| Humidity Range | 0 ~ 100% RH | 0 ~ 100% RH | 0 ~ 100% RH | 0 ~ 100% RH | 0 ~ 100% RH |
| Output Type | I2C | I2C | I2C | I2C | I2C |
| Output | 12b | 12b | 12b | 12b | 12 b |
| Accuracy | ±3% RH | ±3% RH | ±3% RH | ±3% RH | ±3% RH |
| Response Time | 18 s | 18 s | 18 s | 18 s | 18 s |
| Sensitivity | - | - | - | - | - |
| Voltage - Supply | 1.9V ~ 3.6V | 1.9V ~ 3.6V | 1.9V ~ 3.6V | 1.9V ~ 3.6V | 1.9V ~ 3.6V |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| Operating Temperature | -40°C ~ 85°C | -40°C ~ 125°C | -40°C ~ 125°C | -40°C ~ 85°C | - |
| Grade | - | - | - | - | - |
| Qualification | - | - | - | - | - |
| Supplier Device Package | 6-DFN (3x3) | 6-DFN (3x3) | 6-DFN (3x3) | 6-DFN (3x3) | 6-DFN (3x3) |
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