For Reference Only
| Part Number | EM3581-RTR |
| LIXINC Part # | EM3581-RTR |
| Manufacturer | Silicon Labs |
| Category | RF/IF and RFID › RF Transceiver ICs |
| Description | IC RF TXRX+MCU 802.15.4 48VFQFN |
| Lifecycle | Active |
| RoHS | No RoHS Information |
| EDA/CAD Models | EM3581-RTR PCB Footprint and Symbol |
| Warehouses | USA, Europe, China, Hong Kong SAR |
| Estimated Delivery | Jan 23 - Jan 27 2026(Choose Expedited Shipping) |
| Warranty | Up to 1 year [Limited-Warranty]* |
| Payment |
|
| Shipping | ![]() |
| Part Number: | EM3581-RTR |
| Brand: | Silicon Labs |
| Lifecycle: | Active |
| RoHS: | Lead free / RoHS Compliant |
| Category: | RF/IF and RFID |
| Subcategory: | RF Transceiver ICs |
| Manufacturer: | Silicon Labs |
| Series: | - |
| Package: | Tape & Reel (TR)Cut Tape (CT) |
| Part Status: | Not For New Designs |
| Type: | TxRx + MCU |
| RF Family/Standard: | 802.15.4 |
| Protocol: | Zigbee® |
| Modulation: | O-QPSK |
| Frequency: | 2.4GHz |
| Data Rate (Max): | 5Mbps |
| Power - Output: | 8dBm |
| Sensitivity: | -102dBm |
| Memory Size: | 256kB Flash, 32kB RAM |
| Serial Interfaces: | I²C, JTAG, SPI, UART |
| GPIO: | 24 |
| Voltage - Supply: | 2.1V ~ 3.6V |
| Current - Receiving: | 23.5mA ~ 30mA |
| Current - Transmitting: | 24mA ~ 45mA |
| Operating Temperature: | -40°C ~ 85°C |
| Mounting Type: | Surface Mount |
| Package / Case: | 48-VFQFN Exposed Pad |
| Supplier Device Package: | 48-QFN (7x7) |
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| In Stock | 12203 - More on Order |
|---|---|
| Quote Limit | No Limit |
| Lead-Time | To be Confirmed |
| Minimum | 1 |
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| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1 | $10.03000 | $10.03 |
| 2000 | $5.12728 | $10254.56 |
Lixinc will offer the most competitive prices for you, please refer to the quotations.
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