Ship from: HONGKONG
Date Code: Newest Date Code
Manufacturer lead time 6 weeks
| Internal Part Number | EIS-SI4421-A1-FT | |
| Lead Free Status / RoHS Status | Lead free / RoHS Compliant | |
| Moisture Sensitivity Level (MSL) | 3 (168 Hours) | |
| Production Status (Lifecycle) | In Production | |
| Condition | New & Unused, Original Sealed | |
| Design Resources | Development Tool Selector | |
| Standard Package | 96 | |
| 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 | |
| Frequency | 315MHz, 434MHz, 868MHz, 915MHz | |
| Data Rate (Max) | 256kbps | |
| Power - Output | 7dbm | |
| Sensitivity | -110dBm | |
| Memory Size | - | |
| Serial Interfaces | SPI | |
| GPIO | - | |
| Voltage - Supply | 2.2 V ~ 3.8 V | |
| Current - Receiving | 13mA | |
| Current - Transmitting | 24mA | |
| Operating Temperature | -40°C ~ 85°C | |
| Package / Case | 16-TSSOP (0.173", 4.40mm Width) | |
| Weight | 0.001 KG | |
| Application | Email for details | |
| Alternative Part (Replacement) | SI4421-A1-FT | |
| Related Links | SI4421, SI4421-A1-FT Datasheet, Silicon Labs Distributor | |
![]() | PPTC142LJBN | Connector Header 28 Position 0.100" (2.54mm) Tin Through Hole, Right Angle | datasheet.pdf | |
![]() | LP3875ES-1.8/NOPB | IC REG LDO 1.8V 1.5A DDPAK | datasheet.pdf | |
![]() | GSM12DTBI-S189 | CONN EDGECARD 24POS R/A .156 SLD | datasheet.pdf | |
![]() | D38999/24WJ7SNL | CONN HSG RCPT 99POS JAM NUT SCKT | datasheet.pdf | |
![]() | DEBB33D681KN2A | CAP CER 680PF 2KV RADIAL | datasheet.pdf | |
![]() | V375A12T400BF3 | CONVERTER MOD DC/DC 12V 400W | datasheet.pdf | |
![]() | 2842/19 BL001 | HOOK-UP STRND 28AWG BLUE 1000' | datasheet.pdf | |
![]() | ACC06DTBT-S189 | CONN EDGECARD 12POS .100" | datasheet.pdf | |
![]() | 1620041 | CONN RCPT 7POS INLINE PIN M23 | datasheet.pdf | |
![]() | TO02115200J0G | TB RISING CLAMP | datasheet.pdf | |
![]() | A20410400R50 | CONN BARRIER STRIP 4CIRC .375 | datasheet.pdf | |
![]() | D38999/20FB35SN-USBSB2 | CONN HSG RCPT FLANGE 13POS SKT | datasheet.pdf |