SI4421-A1-FT

Obsolete

Silicon Labs

IC RF TXRX ISM<1GHZ 16TSSOP

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Obsolete

Silicon Labs

IC RF TXRX ISM<1GHZ 16TSSOP

Technical Specifications

Parameters and characteristics for this part

Part	Package / Case [x]	Package / Case	Package / Case [y]	Data Rate (Max)	Supplier Device Package	Sensitivity	Modulation	Type	Voltage - Supply [Max]	Voltage - Supply [Min]	Frequency	Serial Interfaces	Current - Transmitting [Min]	Current - Transmitting [Max]	Mounting Type	Power - Output	Current - Receiving [Min]	Current - Receiving [Max]	Operating Temperature [Max]	Operating Temperature [Min]	RF Family/Standard
Silicon Labs SI4421-A0-FTR	0.173 in	16-TSSOP	4.4 mm	256 kbps	16-TSSOP	-110 dBm	FSK	TxRx Only	3.8 V	2.2 V	315 MHz 434 MHz 868 MHz 915 MHz	SPI	15 mA	24 mA	Surface Mount	7 dBm	11 mA	13 mA	85 °C	-40 °C	General ISM < 1GHz
Silicon Labs SI4421-A1-FT1R
Silicon Labs SI4421-A1-FTR	0.173 in	16-TSSOP	4.4 mm	256 kbps	16-TSSOP	-110 dBm	FSK	TxRx Only	3.8 V	2.2 V	315 MHz 434 MHz 868 MHz 915 MHz	SPI	15 mA	24 mA	Surface Mount	7 dBm	11 mA	13 mA	85 °C	-40 °C	General ISM < 1GHz
Silicon Labs SI4421-A1-FT	0.173 in	16-TSSOP	4.4 mm	256 kbps	16-TSSOP	-110 dBm	FSK	TxRx Only	3.8 V	2.2 V	315 MHz 434 MHz 868 MHz 915 MHz	SPI	15 mA	24 mA	Surface Mount	7 dBm	11 mA	13 mA	85 °C	-40 °C	General ISM < 1GHz
Silicon Labs SI4421-A1-FT1

Prices provided here are for design reference only. For realtime values and availability, please visit the distributors directly

General part information

IC RF TxRx Only General ISM < 1GHz 315MHz, 434MHz, 868MHz, 915MHz 16-TSSOP (0.173", 4.40mm Width)

Technical documentation and resources