SI4461-B1B-FMR
IC RF TXRX+MCU ISM<1GHZ 20VFQFN
| Part Description |
IC RF TxRx Only General ISM < 1GHz 119MHz ~ 1.05GHz 20-VFQFN Exposed Pad |
|---|---|
| Quantity | 610 Available (as of May 5, 2026) |
| Product Category | RF Transceiver ICs |
|---|---|
| Manufacturer | Silicon Labs |
| Manufacturing Status | Not For New Designs |
| Manufacturer Standard Lead Time | 12 Weeks |
| 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 |
| Type: | TxRx Only |
| RF Family/Standard: | General ISM < 1GHz |
| Modulation: | 4GFSK, GFSK, GMSK, OOK |
| Frequency: | 119MHz ~ 1.05GHz |
| Data Rate (Max): | 1Mbps |
| Power – Output: | 16dBm (Max) |
| Sensitivity: | -126dBm |
| Serial Interfaces: | SPI |
| GPIO: | 4 |
| Voltage – Supply: | 1.8V ~ 3.6V |
| Current – Receiving: | 10.7mA ~ 13.7mA |
| Current – Transmitting: | 29mA ~ 43mA |
Environmental
| REACH Compliance | REACH Unknown |
|---|---|
| RoHS Compliance | ROHS3 Compliant |
| Moisture Sensitivity Level | 1 (Unlimited) |
| ECCN | 5A991G |
| HTS Code | 8542.39.0001 |
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