SI4431-A0-FMR
+13 DBM SUB-GHZ TRANSMITTER
| Part Description |
IC RF TxRx Only General ISM < 1GHz 240MHz ~ 930MHz 20-VFQFN Exposed Pad |
|---|---|
| Quantity | 472 Available (as of May 5, 2026) |
| Product Category | RF Transceiver ICs |
|---|---|
| Manufacturer | Silicon Labs |
| Manufacturing Status | Obsolete |
| Manufacturer Standard Lead Time | N/A |
| Datasheet |
Specifications
| Part Package | 20-VFQFN Exposed Pad |
|---|---|
| Device Package | 20-QFN (4×4) |
| Mounting Method | Surface Mount |
| Voltage | 1.8V ~ 3.6V |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Type: | TxRx Only |
| RF Family/Standard: | General ISM < 1GHz |
| Modulation: | FSK, GFSK, OOK |
| Frequency: | 240MHz ~ 930MHz |
| Data Rate (Max): | 128kbps |
| Power – Output: | 13dBm |
| Sensitivity: | -118dBm |
| Serial Interfaces: | SPI |
| GPIO: | 3 |
| Voltage – Supply: | 1.8V ~ 3.6V |
| Current – Receiving: | 18.5mA |
| Current – Transmitting: | 28mA |
Environmental
| REACH Compliance | REACH Unknown |
|---|---|
| RoHS Compliance | Unknown |
| Moisture Sensitivity Level | 1 (Unlimited) |
| ECCN | OBSOLETE |
| HTS Code | 0000.00.0000 |
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