Ship from: HONGKONG
Date Code: Newest Date Code
Manufacturer lead time 6 weeks
| Internal Part Number | EIS-SI4431-B1-FM | |
| Lead Free Status / RoHS Status | Lead free / RoHS Compliant | |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) | |
| Production Status (Lifecycle) | In Production | |
| Condition | New & Unused, Original Sealed | |
| Mfg Application Notes | Transitioning SI4430/31 to Rev B | |
| Design Resources | Development Tool Selector | |
| PCN Packaging | PB-1412244 24/Dec/2014 | |
| EDA / CAD Models | Download from Accelerated Designs | |
| Standard Package | 91 | |
| Category | RF/IF and RFID | |
| Family | RF Transceiver ICs | |
| Series | - | |
| Packaging | Tube | |
| Type | TxRx Only | |
| RF Family/Standard | General ISM/SRD < 1GHz | |
| Protocol | - | |
| Modulation | FSK, GFSK, OOK | |
| Frequency | 240MHz ~ 930MHz | |
| Data Rate (Max) | 128kbps | |
| Power - Output | 13dBm | |
| Sensitivity | -118dBm | |
| Memory Size | - | |
| Serial Interfaces | SPI | |
| GPIO | 3 | |
| Voltage - Supply | 1.8 V ~ 3.6 V | |
| Current - Receiving | 18.5mA | |
| Current - Transmitting | 27mA | |
| Operating Temperature | -40°C ~ 85°C | |
| Package / Case | 20-VFQFN Exposed Pad | |
| Weight | 0.001 KG | |
| Application | Email for details | |
| Alternative Part (Replacement) | SI4431-B1-FM | |
| Related Links | SI4431, SI4431-B1-FM Datasheet, Silicon Labs Distributor | |
![]() | SSQ-135-03-G-S-RA | Connector Receptacle 35 Position 0.100" (2.54mm) Gold Through Hole, Right Angle | datasheet.pdf | |
![]() | 5NQ101KOAAM | CAP CER 100PF 500V Y5V RADIAL | datasheet.pdf | |
![]() | LP2950ACZ-3.3RAG | IC REG LDO 3.3V 0.1A TO92-3 | datasheet.pdf | |
![]() | PCM2900E/2K | IC STEREO AUD CODEC W/USB 28SSOP | datasheet.pdf | |
![]() | TLC0820AIDWG4 | IC ADC 8BIT MOD FLASH 20-SOIC | datasheet.pdf | |
![]() | 1016180000 | TERM BLOCK PLUG 5POS STR 5MM | datasheet.pdf | |
![]() | E2EV-X5C1-40 5M | PROXIMITY SENSOR M18 5MM NO | datasheet.pdf | |
![]() | IDGHF66-32834-15 | CIR BRKR MAG-HYDR LEVER | datasheet.pdf | |
![]() | 0385410704 | CONN PLUG 4POS IN-LINE SLDR | datasheet.pdf | |
![]() | KE341150A0J0G | 350 TB SOCKET VERTICAL | datasheet.pdf | |
![]() | FANWAND721SMA | ANTENNA 2G/3G/4G LTE 6 INCH HING | datasheet.pdf | |
![]() | MPC8536AVJAVLA | IC MPU SOC 32BIT 1.5GHZ 783FCBGA | datasheet.pdf |