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SI4421-A1-FT

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Application Specific Clock/Timing [15]
Audio Special Purpose [18]
LDO Voltage Regulators [66]
Clock Buffers, Drivers [146]
Instrumentation, OP Amps, Buffer Amps [214]
Switching Controllers [137]
Clock Generators, PLLs, Frequency Synthesizers [79]
LDO Voltage Controllers [417]
Delay Lines [3]
Linear Voltage Regulators [4]
Video Amps and Modules [14]
IC Batteries [3]
Switching Voltage Regulators [715]
Programmable Timers and Oscillators [23]
RF JFET Transistors [10]
Analog to Digital Converters - ADC [50]
Hot Swap Voltage Controllers [6]
Real Time Clocks [108]
ADCs/DACs - Special Purpose [26]
Digital to Analog Converters - DAC [29]
RF Bipolar Transistors [2]
EEPROM [15]
Flash Memory [91]
Digital Potentiometers [2]
Memory ICs [806]
Analog Comparators [56]
Limiting Amplifiers [2]
Application Specific Microcontrollers [16]
SRAM [27]
CPLDs (Complex Programmable Logic Devices) [257]
Operational Amplifiers - Op Amps [112]
DSP (Digital Signal Processors) [27]
Video Amplifiers [2]
FPGAs (Field Programmable Gate Array) [697]
Isolation Amplifiers [3]
Audio Amplifiers [63]
Audio D/A Converter ICs [3]
Microcontrollers [1497]
Instrumentation Amplifiers [1]
Microcontrollers, Microprocessor, FPGA Modules [1]
LED Lighting Drivers [200]
Microprocessors [6]
PLDs (Programmable Logic Device) [72]
Video ICs [28]
Audio DSPs [5]
System On Chip (SoC) [127]
Analog Switches - Special Purpose [87]
High Speed Optocouplers [39]
AC/DC Converters [7]
Analog Switches, Multiplexers, Demultiplexers [7]
CODECS [42]
Gate Drivers [395]
Supervisory Circuits [71]
Logic Output Optocouplers [19]
Specialized ICs [4]
Battery Management [39]
Drivers, Receivers, Transceivers [9]
Encoders, Decoders, Converters [10]
Voltage References [36]
Filters - Active [4]
Power Management Specialized - PMIC [48]
Clock Buffer [26]
I/O Expanders [67]
LCD, OLED, Graphic [3]
Modems - ICs and Modules [6]
Real Time Clock [3]
RF Accessories [2]
Clock Generators & Support Products [49]
Modules [4]
RF Transceiver ICs [201]
Ethernet ICs [69]
Sensor and Detector Interfaces [25]
Fiber Optic Transmitters - Drive Circuitry Integrated [1]
Sensor, Capacitive Touch [6]
Timers & Support Products [16]
Network Controller & Processor ICs [27]
Serializers, Deserializers [21]
Interface - Specialized [99]
LED Emitters - Infrared, UV, Visible [15]
Signal Buffers, Repeaters, Splitters [35]
Motor / Motion / Ignition Controllers & Drivers [134]
semiconductors-Integrated Circuits - ICs [222]
CAN Interface IC [26]
Specialized [6]
Digital Isolators [178]
Telecom [94]
PCI Interface IC [35]
UARTs (Universal Asynchronous Receiver Transmitter [74]
Clock Synthesizer / Jitter Cleaner [29]
Voice Record and Playback [23]
RS-232 Interface IC [123]
Interface - I/O Expanders [8]
Sensor Hardware & Accessories [1]
Gas Discharge Tubes - GDTs / Gas Plasma Arrestors [21]
Telecom Interface ICs [16]
Interface - CODECs [1]
Resettable Fuses - PPTC [136]
Video Processing [86]
Buffers, Drivers, Receivers, Transceivers [115]
Linear Displacement Sensors [2]
RS-422/RS-485 Interface IC [152]
Comparators [10]
USB Interface IC [26]
Counters, Dividers [2]
Interface - Signal Buffers, Repeaters [5]
Varistors [54]
Automotive Connectors [295]
FIFOs Memory [1]
I/O Connectors [38]
Board to Board & Mezzanine Connectors [165]
Gates and Inverters [126]
Gates and Inverters - Multi-Function, Configurable [3]
Modular Connectors / Ethernet Connectors [35]
Buffers & Line Drivers [56]
USB Connectors [54]
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Multivibrators [8]
Latches [14]
Parity Generators and Checkers [1]
Drivers, Receivers, Transceivers IC [225]
Shift Registers [17]
Signal Switches, Multiplexers, Decoders [1]
Phase Locked Loops - PLL [6]
Specialty Logic [2]
RF FETs, MOSFETs [58]
RF Misc ICs and Modules [30]
Translators, Level Shifters [38]
Single, Pre-Biased Bipolar Transistors [69]
RF Mixers [2]
Configuration PROMs for FPGAs [632]
Proximity Sensors [5]
TVS Diodes / ESD Suppressors [1326]
AC DC Converters, Offline Switches [539]
RF Directional Coupler [3]
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Bridge Rectifiers [1]
Bipolar Transistor Arrays, Pre-Biased [17]
Current Regulation/Management [19]
Zener Diode Arrays [5]
DC DC Switching Controllers [87]
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Display Drivers [17]
Schottky Diodes & Rectifiers [20]
Current Sensors [20]
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Full Half-Bridge Drivers [49]
Zener Diodes [20]
SCRs [23]
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Hot Swap Controllers [11]
Triacs [14]
IGBT Modules [1051]
Lighting, Ballast Controllers [1]
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Motor Drivers, Controllers [2]
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OR Controllers, Ideal Diodes [11]
Bipolar Transistor Arrays [76]
PFC (Power Factor Correction) [37]
Bipolar RF Transistors [6]
Power Distribution Switches, Load Drivers [7]
Power Management - Specialized [2]
Sidacs [9]
Power Over Ethernet (PoE) Controllers [21]
Power Supply Controllers, Monitors [41]
16-bit Microcontrollers - MCU [2]
RF Receivers [31]
ARM Microcontrollers - MCU [29]
Special Purpose Regulators [6]
32-bit Microcontrollers - MCU [2]
RFID, RF Access, Monitoring ICs [5]
Supervisors [122]
8-bit Microcontrollers - MCU [47]
Thermal Management [9]
Analog Front End - AFE [6]
RF Multiplexers [18]
Humidity, Moisture Sensors [15]
Touch Screen Controllers [10]
Voltage Reference [4]
Power Driver Modules [3]
Voltage Regulators - DC DC Switching Regulators [3000]
Balun [14]
DRAM [42]
Voltage Regulators - Linear [297]
RFID Transponders, Tags [3]
Voltage Regulators - Linear + Switching [24]
Fiber Optic Receivers [1]
Security ICs / Authentication ICs [3]
Voltage Regulators - Linear Regulator Controllers [364]
Controllers [268]
Current Sense Amplifiers [8]
RF Transmitters [19]
Differential Amplifiers [4]
Flow Sensors [14]
High Speed Operational Amplifiers [6]
RF Front End (LNA + PA) [50]
RF Detectors [3]
Headers & Wire Housings [517]
Memory [902]
Sample & Hold Amplifiers [1]
RF Power Dividers/Splitters [2]
Special Purpose Amplifiers [6]
Gas Sensors [2]
Precision Amplifiers [7]
LED Dot Matrix and Cluster [2]
Ballasts, Inverters [3]
LCD Drivers [1]
Microphone Preamplifiers [3]
RFID Antennas [2]
RF Demodulators [1]
Transimpedance Amplifiers [1]
IrDA Transceiver Modules [10]
LED Display Drivers [4]
Color Sensors [4]
High Linearity Optocouplers [8]
MOSFET Output Optocouplers [5]
RF Receiver, Transmitter, and Transceiver Finished Units [1]
Transistor Output Optocouplers [167]
Ultrasonic Receivers, Transmitters [3]
Laser Drivers [4]
FETs, MOSFETs [2977]
Multifunction [1]
Triac & SCR Output Optocouplers [35]
Force Sensors - Industrial [2]
Photodiode Output Optocouplers [1]
Analog and Digital Output [73]
Current & Power Monitors & Regulators [2]
Particle, Dust Sensors [2]
Power Factor Correction - PFC [2]
White LED Lighting [2]
LED Indication - Discrete [30]
Switches (Solid State) [65]
Wireless Charging ICs [2]
Clock Drivers & Distribution [3]
Discrete Semiconductor Modules [734]
Fiber Optic Transceiver Modules [19]
CPLD - Complex Programmable Logic Devices [1]
RF Amplifiers [50]
Analog & Digital Crosspoint ICs [2]
RF Antennas [10]
Digital Signal Processors & Controllers - DSP, DSC [5]
RS-485 Interface IC [26]
Hard Metric Connectors [20]
LIN Transceivers [10]
LVDS Interface IC [2]
RF Connectors / Coaxial Connectors [40]
FPGA - Configuration Memory [1]
Sensor Interface [5]
High Speed / Modular Connectors [22]
I/O Controller Interface IC [12]
RF Diodes [57]
RS-422 Interface IC [9]
Microprocessors - MPU [6]
UART Interface IC [4]
Systems on a Chip - SoC [1]
Digital Potentiometer ICs [48]
Modulator / Demodulator [1]
RF Transmitter [3]
Equalizers [2]
Phase Detectors / Shifters [4]
MEMS Microphones [2]
RF Wireless Misc [2]
Microphones [14]
Light to Digital Converters [1]
Board Mount Pressure Sensors [47]
Up-Down Converters [1]
Display Interface IC [1]
RF System on a Chip - SoC [2]
Board Mount Current Sensors [2]
Bus Transceivers [12]
Industrial Pressure Sensors [1]
Counter Shift Registers [17]
Board Mount Hall Effect / Magnetic Sensors [10]
Logic Gates [14]
Board Mount Humidity Sensors [19]
Translation - Voltage Levels [57]
Board Mount Motion & Position Sensors [25]
Encoders, Decoders, Multiplexers & Demultiplexers [83]
Flip Flops [20]
Board Mount Temperature Sensors [3]
Bus Receivers [1]
Analog Switch ICs [53]
PCI Express / PCI Connectors [14]
D-Sub High Density Connectors [335]
Power Switch ICs - POE / LAN [11]
D-Sub Backshells [1]
USB Switch ICs [4]
D-Sub Tools & Hardware [3]
Digital Bus Switch ICs [11]
Memory Card Connectors [43]
Power Switch ICs - Power Distribution [349]
D-Sub Standard Connectors [1]
FFC & FPC Connectors [131]
Multiplexer Switch ICs [101]
Switch ICs - Various [8]
RF Front End [27]
Industrial Temperature Sensors [2]
RF Transceiver [7]
RF Mixer [9]
RF Receiver [49]
RFID Transponders [1]
Surface Mount Fuses [155]
RF Amplifier [190]
HDMI, Displayport & DVI Connectors [8]
Heavy Duty Power Connectors [2]
DIN 41612 Connectors [1]
RF Switch ICs [101]
Attenuators [25]
Image Sensors, Camera [10]
PTC Thermistors [7]
MOSFET [853]
Photo Detectors - Remote Receiver [16]
Accelerometers [34]
Single Zener Diodes [183]
Photodiodes [20]
Single Diodes [789]
Photointerrupters - Slot Type - Transistor Output [43]
Single FETs, MOSFETs [860]
Ambient Light, IR, UV Sensors [34]
Diode Arrays [182]
Linear, Compass (ICs) [41]
JFETs [12]
Photointerrupters - Slot Type - Logic Output [21]
Variable Capacitance (Varicaps, Varactors) [23]
Phototransistors [15]
IMUs (Inertial Measurement Units) [37]
Reflective - Analog Output [22]
Distance Measuring [9]
Inrush Current Limiters [2]
FPGA - Field Programmable Gate Array [235]
Thermostats - Solid State [3]
DIACs, SIDACs [2]
Gyroscopes [9]
Special Purpose [1]
Reflective - Logic Output [6]
Tilt Switches [1]
Rectifiers [22]
SCRs - Modules [21]
RTD (Resistance Temperature Detector) [5]
Optical Motion Sensors [5]
Position, Proximity, Speed (Modules) - Industrial [4]
Inclinometers [4]
Compass, Magnetic Field (Modules) [5]
Photo Detectors - Logic Output [1]
Photoelectric, Industrial [1]
NTC Thermistors [40]

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SI4421-A1-FT

Product Category : RF Transceiver

Type : TxRx Only

Voltage - Supply : 2.2 V ~ 3.8 V

RF Family/Standard : General ISM < 1GHz

Memory Size : -

Protocol : -

Data Rate (Max) : 256Kbps

Manufacturer : Silicon Labs

Minimum Quantity : 1

Current - Transmitting : 15mA ~ 24mA

Operating Temperature : -40°C ~ 85°C

Sensitivity : -110dBm

Current - Receiving : 11mA ~ 13mA

Part Status : Not For New Designs

Packaging : Tube

Serial Interfaces : SPI

Power - Output : 7dBm

GPIO : -

Frequency : 315MHz, 434MHz, 868MHz, 915MHz

Modulation : FSK

Package / Case : 16-TSSOP (0.173", 4.40mm Width)

Series : -

Description : IC RF TXRX ISM

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The SI4421-A1-FT,from Silicon Labs,is RF Transceiver.what we offer have competitive price in the global market,which are in original and new parts.If you would like to know more about the products or apply a lower price, please contact us through the “online chat” or send a quote to us!

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