SI4431-A0-FM
IC RF TXRX ISM<1GHZ 20VFQFN
| Part Description |
IC RF TxRx Only General ISM < 1GHz 240MHz ~ 930MHz 20-VFQFN Exposed Pad |
|---|---|
| Quantity | 208 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 |
| Type: | TxRx Only |
| RF Family/Standard: | General ISM < 1GHz |
| Modulation: | FSK, GFSK, OOK |
| Frequency: | 240MHz ~ 930MHz |
| Data Rate (Max): | 128kbps |
| Power – Output: | 13dBm (Max) |
| Sensitivity: | -118dBm |
| Serial Interfaces: | SPI |
| GPIO: | 3 |
| Voltage – Supply: | 1.8V ~ 3.6V |
| Current – Receiving: | 18.5mA |
| Current – Transmitting: | 18mA ~ 28mA |
Environmental
| REACH Compliance | REACH Unknown |
|---|---|
| RoHS Compliance | Unknown |
| Moisture Sensitivity Level | 1 (Unlimited) |
| ECCN | 5A991B |
| HTS Code | 8542.39.0001 |
Request a Quote
Certifications and Membership
NQA AS9100 CMYK ANAB
ESD2020 Badge
GIDEP Badge
Suntsu ERAI MemberVerification
Available Shipping Methods
FedEx
UPS
DHL
Accepted Payment Methods
American Express
Discover
MasterCard
Visa
UnionPay
Date Founded: 1996
Headquarters: Austin, Texas, USA
Employees: 1,000+
Revenue: $1.02 Billion
Certifications and Memberships: ISO9001:2015, ISO14001:2015, IATF16949:2016
Featured Products
