Silicon Labs EFR32FG23A021F512GM40-CR
IC RF TXRX+MCU WIFI 40QFN
Answer first: this page is a purchasing reference for the exact part number EFR32FG23A021F512GM40-CR from Silicon Labs. Use it to start datasheet, package, manufacturer and RFQ verification; do not treat page text as a live stock, price or lead-time promise.
Key Parameters
| Part Number | EFR32FG23A021F512GM40-CR |
|---|---|
| Manufacturer | Silicon Labs |
| Category | RF Transceiver ICs |
| package | 40-VFQFN Exposed Pad |
| series | EFR32FG23 |
| packaging | Tape & Reel (TR) |
| product status | Active |
| param 1 | - |
| param 2 | TxRx + MCU |
| param 3 | WiFi |
| param 4 | - |
| param 5 | 2FSK, 2GMSK, 4FSK, 4GMSK, DSSS, GFSK, GMSK, OOK, O-QPSK |
| param 6 | 169.4MHz ~ 169.475MHz, 169.5875MHz ~ 169.8125MHz, 314MHz ~ 315MHz, 314MHz ~ 316MHz, 433MHz ~ 434.79MHz, 470MHz ~ 510MHz, 863MHz ~ 869.2MHz, 863MHz ~ 870MHz, 869.4MHz ~ 869.65MHz, 902MHz ~ 928MHz, 920M |
| param 7 | 2Mbps |
| param 8 | 20dBm |
| param 9 | -126.9dBm |
| param 10 | 512kB Flash, 64kB RAM |
| param 11 | ADC, I2C, I2S, IrDA, SPI, UART, USART |
| param 12 | 22 |
| param 13 | 1.71V ~ 3.8V |
| param 14 | 3.7mA ~ 9.5mA |
| param 15 | 8.2mA ~ 92mA |
| param 16 | -40°C ~ 85°C (TA) |
| param 17 | - |
| param 18 | - |
| param 19 | Surface Mount |
| param 20 | 40-QFN (5x5) |
Parameters are provided for purchasing review. Confirm package, suffix, lifecycle status, datasheet revision and approved substitutes before ordering.
How to Verify EFR32FG23A021F512GM40-CR Before Ordering
Datasheet and parameter checks
- Confirm the full manufacturer part number, not only a shortened search keyword.
- Compare package, pinout, dimensions, voltage or rating fields, temperature range and compliance wording against the released BOM.
- Use the manufacturer datasheet or drawing for electrical and mechanical limits before approving a substitute.
RFQ fields SENICO needs
- Send exact part number, manufacturer, quantity, target delivery date, destination and required packaging.
- State whether alternates are allowed, and list any date-code, certificate, traceability or customer AVL requirement.
- Keep exact stock, factory lead time and proposed alternatives in separate quote lanes.
For EFR32FG23A021F512GM40-CR, SENICO recommends checking manufacturer marking, package, date code, requested quantity, approved vendor requirements and replacement risk before issuing a purchase order. If a supplier suggests an equivalent, record the changed fields and approval owner before comparing price.
We do not treat displayed data as a real-time stock or price commitment. The RFQ reply is the verified commercial reference.
Related buying guides: stock and lead-time verification, equivalent IC comparison, and BOM RFQ preparation.