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Datasheet Replacement Marking Code
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25LC128
SI473 (88)SI47 (370)SI4 (1072)
Silicon Labs

SI4731-DEMO

BOARD DEMO SI4731 RADIO RECEIVER
Silicon Labs

SI4737-C-EVB

BOARD EVAL SI4737 VERSION C
Silicon Labs

SI4731-D60-EVB

BOARD EVALUATION FOR SI473-D60
Silicon Labs

SI4735-D60-EVB

BOARD EVALUATION FOR SI4734/35
Silicon Labs

SI4731-D50-EVB

BOARD EVAL SI4730/SI4731-D50
Silicon Labs

SI4731-B-EVB

DEVELOPMENT KIT SI4731
Silicon Labs

SI4731-C-EVB

BOARD EVAL SI4731 RADIO RECEIVER
Silicon Labs

SI4735-B-EVB

BOARD EVAL SI4735 VERSION B
Silicon Labs

SI4735-C-EVB

BOARD EVAL SI4735 VERSION C
Silicon Labs

SI4737-B-EVB

BOARD EVAL SI4737 VERSION B
Silicon Labs

SI4730-D60-GU

- RF Receiver AM, FM 520kHz ~ 1.71MHz, 64MHz ~ 108MHz PCB, Surface Mount 24-SSOP
Silicon Labs

SI4735-D60-GU

- RF Receiver AM, FM, SW-LW 153kHz ~ 279kHz, 520kHz ~ 1.71MHz, 2.3MHz ~ 26.1MHz, 64MHz ~ 108MHz PCB, Surface Mount 24-SSOP
Silicon Labs

SI4730-D60-GM

- RF Receiver AM, FM 520kHz ~ 1.71MHz, 64MHz ~ 108MHz PCB, Surface Mount 20-QFN (3x3)
Silicon Labs

SI4730-D62-GM

- RF Receiver AM, FM 520kHz ~ 1.71MHz, 64MHz ~ 108MHz PCB, Surface Mount 20-QFN (3x3)
Silicon Labs

SI4730-D60-GMR

- RF Receiver AM, FM 520kHz ~ 1.71MHz, 64MHz ~ 108MHz PCB, Surface Mount 20-QFN (3x3)
Silicon Labs

SI4730-D62-GMR

- RF Receiver AM, FM 520kHz ~ 1.71MHz, 64MHz ~ 108MHz PCB, Surface Mount 20-QFN (3x3)
Silicon Labs

SI4732-A10-GSR

- RF Receiver AM, FM, SW-LW 520kHz ~ 1.71MHz, 64MHz ~ 108MHz PCB, Surface Mount 16-SOIC
Silicon Labs

SI4730-D60-GUR

- RF Receiver AM, FM 520kHz ~ 1.71MHz, 64MHz ~ 108MHz PCB, Surface Mount 24-SSOP
Silicon Labs

SI4730-D62-GUR

- RF Receiver AM, FM 520kHz ~ 1.71MHz, 64MHz ~ 108MHz PCB, Surface Mount 24-SSOP
Silicon Labs

SI4731-D60-GMR

- RF Receiver AM, FM, RDS 153kHz ~ 279kHz, 520kHz ~ 1.71MHz, 2.3MHz ~ 26.1MHz, 64MHz ~ 108MHz PCB, Surface Mount 20-QFN (3x3)
Silicon Labs

SI4731-D62-GMR

- RF Receiver AM, FM, RDS PCB, Surface Mount 20-QFN (3x3)
Silicon Labs

SI4734-D60-GMR

- RF Receiver AM, FM, SW-LW 153kHz ~ 279kHz, 520kHz ~ 1.71MHz, 2.3MHz ~ 26.1MHz, 64MHz ~ 108MHz PCB, Surface Mount 20-QFN (3x3)
Silicon Labs

SI4731-D60-GUR

- RF Receiver AM, FM, RDS 153kHz ~ 279kHz, 520kHz ~ 1.71MHz, 2.3MHz ~ 26.1MHz, 64MHz ~ 108MHz PCB, Surface Mount 24-SSOP
Silicon Labs

SI4731-D62-GUR

- RF Receiver AM, FM, RDS PCB, Surface Mount 24-SSOP
Silicon Labs

SI4734-D60-GUR

- RF Receiver AM, FM, SW-LW 153kHz ~ 279kHz, 520kHz ~ 1.71MHz, 2.3MHz ~ 26.1MHz, 64MHz ~ 108MHz PCB, Surface Mount 24-SSOP
Silicon Labs

SI4735-D60-GMR

- RF Receiver AM, FM, LW-SW, WB 153kHz ~ 279kHz, 520kHz ~ 1.71MHz, 2.3MHz ~ 26.1MHz, 64MHz ~ 108MHz PCB, Surface Mount 20-QFN (3x3)
Silicon Labs

SI4735-D60-GUR

- RF Receiver AM, FM, LW-SW, WB 153kHz ~ 279kHz, 520kHz ~ 1.71MHz, 2.3MHz ~ 26.1MHz, 64MHz ~ 108MHz PCB, Surface Mount 24-SSOP
Silicon Labs

SI4738-B20-GMR

- RF Receiver FM, WB 76MHz ~ 108MHz, 162.4MHz ~ 162.55MHz PCB, Surface Mount 20-QFN (3x3)
Silicon Labs

SI4730-D50-GMR

- RF Receiver AM, FM 520kHz ~ 1.71MHz, 64MHz ~ 108MHz PCB, Surface Mount 20-QFN (3x3)
Silicon Labs

SI4731-D50-GMR

- RF Receiver AM, FM, RDS 520kHz ~ 1.71MHz, 64MHz ~ 108MHz PCB, Surface Mount 20-QFN (3x3)
Silicon Labs

SI4739-B20-GMR

- RF Receiver FM, WB 76MHz ~ 108MHz, 162.4MHz ~ 162.55MHz PCB, Surface Mount 20-QFN (3x3)
Silicon Labs

SI4738-B20-GM

- RF Receiver FM, WB 76MHz ~ 108MHz, 162.4MHz ~ 162.55MHz PCB, Surface Mount 20-QFN (3x3)
Silicon Labs

SI4730-D50-GM

- RF Receiver AM, FM 520kHz ~ 1.71MHz, 64MHz ~ 108MHz PCB, Surface Mount 20-QFN (3x3)
Silicon Labs

SI4731-D50-GM

- RF Receiver AM, FM, RDS 520kHz ~ 1.71MHz, 64MHz ~ 108MHz PCB, Surface Mount 20-QFN (3x3)
Silicon Labs

SI4739-B20-GM

- RF Receiver FM, WB 76MHz ~ 108MHz, 162.4MHz ~ 162.55MHz PCB, Surface Mount 20-QFN (3x3)
Silicon Labs

SI4736-B20-GMR

- RF Receiver AM, FM, LW-SW, WB 520kHz ~ 1.71MHz, 162.4MHz ~ 162.55MHz, 76MHz ~ 108MHz PCB, Surface Mount 20-QFN (3x3)
Silicon Labs

SI4737-B20-GMR

- RF Receiver AM, FM, LW-SW, WB 520kHz ~ 1.71MHz, 162.4MHz ~ 162.55MHz, 76MHz ~ 108MHz PCB, Surface Mount 20-QFN (3x3)
Silicon Labs

SI4736-B20-GM

- RF Receiver AM, FM, LW-SW, WB 520kHz ~ 1.71MHz, 162.4MHz ~ 162.55MHz, 76MHz ~ 108MHz PCB, Surface Mount 20-QFN (3x3)
Silicon Labs

SI4738-C40-GUR

- RF Receiver AM, FM, WB 520kHz ~ 1.71MHz, 64MHz ~ 108MHz, 162.4MHz ~ 162.55MHz PCB, Surface Mount 24-SSOP
Silicon Labs

SI4738-C40-GMR

- RF Receiver AM, FM, WB 520kHz ~ 1.71MHz, 64MHz ~ 108MHz, 162.4MHz ~ 162.55MHz PCB, Surface Mount 20-QFN (3x3)
Silicon Labs

SI4737-B20-GM

- RF Receiver AM, FM, LW-SW, WB 520kHz ~ 1.71MHz, 162.4MHz ~ 162.55MHz, 76MHz ~ 108MHz PCB, Surface Mount 20-QFN (3x3)
Silicon Labs

SI4739-C40-GUR

- RF Receiver AM, FM, WB 520kHz ~ 1.71MHz, 64MHz ~ 108MHz, 162.4MHz ~ 162.55MHz PCB, Surface Mount 24-SSOP
Silicon Labs

SI4739-C40-GMR

- RF Receiver AM, FM, WB 520kHz ~ 1.71MHz, 64MHz ~ 108MHz, 162.4MHz ~ 162.55MHz PCB, Surface Mount 20-QFN (3x3)
Silicon Labs

SI4736-C40-GMR

- RF Receiver AM, FM, WB 520kHz ~ 1.71MHz, 64MHz ~ 108MHz, 162.4MHz ~ 162.55MHz PCB, Surface Mount 20-QFN (3x3)
Silicon Labs

SI4736-C40-GUR

- RF Receiver AM, FM, WB 520kHz ~ 1.71MHz, 64MHz ~ 108MHz, 162.4MHz ~ 162.55MHz PCB, Surface Mount 24-SSOP
Silicon Labs

SI4737-C40-GUR

- RF Receiver AM, FM, WB 520kHz ~ 1.71MHz, 64MHz ~ 108MHz, 162.4MHz ~ 162.55MHz PCB, Surface Mount 24-SSOP
Silicon Labs

SI4737-C40-GMR

- RF Receiver AM, FM, WB 520kHz ~ 1.71MHz, 64MHz ~ 108MHz, 162.4MHz ~ 162.55MHz PCB, Surface Mount 20-QFN (3x3)
Silicon Labs

SI4738-C40-GM

- RF Receiver AM, FM, WB 520kHz ~ 1.71MHz, 64MHz ~ 108MHz, 162.4MHz ~ 162.55MHz PCB, Surface Mount 20-QFN (3x3)
Silicon Labs

SI4738-C40-GU

- RF Receiver AM, FM, WB 520kHz ~ 1.71MHz, 64MHz ~ 108MHz, 162.4MHz ~ 162.55MHz PCB, Surface Mount 24-SSOP
Silicon Labs

SI4730-D62-GU

- RF Receiver AM, FM 520kHz ~ 1.71MHz, 64MHz ~ 108MHz PCB, Surface Mount 24-SSOP
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