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Total Products: 5,391
ImageData
Sheet		Part NumberManufacturerDescriptionCategoryDevice PackageVoltageOperating
Temp		Additional SpecificationsQtyGet A
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SI4421-A1-FT
SI4421-A1-FTSilicon LabsIC RF TXRX ISM<1GHZ 16TSSOPRF Transceiver ICs16-TSSOP2.2V ~ 3.8V-40°C ~ 85°C
Type:
TxRx Only
RF Family/Standard:
General ISM < 1GHz
Modulation:
FSK
Frequency:
315MHz, 434MHz, 868MHz, 915MHz
Data Rate (Max):
256kbps
Power – Output:
7dbm
Sensitivity:
-110dBm
Serial Interfaces:
SPI
Voltage – Supply:
2.2V ~ 3.8V
Current – Receiving:
11mA ~ 13mA
Current – Transmitting:
15mA ~ 24mA
Operating Temperature:
-40°C ~ 85°C
Mounting Type:
Surface Mount
Package / Case:
16-TSSOP (0.173″, 4.40mm Width)
Supplier Device Package:
16-TSSOP
1,696
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SI4421-A1-FTR
SI4421-A1-FTRSilicon LabsIC RF TXRX ISM<1GHZ 16TSSOPRF Transceiver ICs16-TSSOP2.2V ~ 3.8V-40°C ~ 85°C
Type:
TxRx Only
RF Family/Standard:
General ISM < 1GHz
Modulation:
FSK
Frequency:
315MHz, 434MHz, 868MHz, 915MHz
Data Rate (Max):
256kbps
Power – Output:
7dbm
Sensitivity:
-110dBm
Serial Interfaces:
SPI
Voltage – Supply:
2.2V ~ 3.8V
Current – Receiving:
11mA ~ 13mA
Current – Transmitting:
15mA ~ 24mA
Operating Temperature:
-40°C ~ 85°C
Mounting Type:
Surface Mount
Package / Case:
16-TSSOP (0.173″, 4.40mm Width)
Supplier Device Package:
16-TSSOP
810
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SI4430-A0-FM
SI4430-A0-FMSilicon LabsIC RF TXRX ISM<1GHZ 20VFQFNRF Transceiver ICs20-QFN (4x4)1.8V ~ 3.6V-40°C ~ 85°C
Type:
TxRx Only
RF Family/Standard:
General ISM < 1GHz
Modulation:
FSK, GFSK, OOK
Frequency:
900MHz ~ 960MHz
Data Rate (Max):
128kbps
Power – Output:
13dBm (Max)
Sensitivity:
-118dBm
Serial Interfaces:
SPI
GPIO:
3
Voltage – Supply:
1.8V ~ 3.6V
Current – Receiving:
18.5mA
Current – Transmitting:
18mA ~ 28mA
Operating Temperature:
-40°C ~ 85°C
Mounting Type:
Surface Mount
Package / Case:
20-VFQFN Exposed Pad
Supplier Device Package:
20-QFN (4×4)
208
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N/A
SI4430-A0-FMRSilicon LabsIC RF TXRX ISM 20VFQFNRF Transceiver ICsN/AN/AN/A

N/A

11
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SI4430-B1-FM
SI4430-B1-FMSilicon LabsIC RF TXRX ISM<1GHZ 20VFQFNRF Transceiver ICs20-QFN (4x4)1.8V ~ 3.6V-40°C ~ 85°C
Type:
TxRx Only
RF Family/Standard:
General ISM < 1GHz
Modulation:
FSK, GFSK, OOK
Frequency:
900MHz ~ 960MHz
Data Rate (Max):
256kbps
Power – Output:
13dBm (Max)
Sensitivity:
-121dBm
Serial Interfaces:
SPI
GPIO:
3
Voltage – Supply:
1.8V ~ 3.6V
Current – Receiving:
18.5mA
Current – Transmitting:
17mA ~ 30mA
Operating Temperature:
-40°C ~ 85°C
Mounting Type:
Surface Mount
Package / Case:
20-VFQFN Exposed Pad
Supplier Device Package:
20-QFN (4×4)
728
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SI4430-B1-FMR
SI4430-B1-FMRSilicon LabsIC RF TXRX ISM<1GHZ 20VFQFNRF Transceiver ICs20-QFN (4x4)1.8V ~ 3.6V-40°C ~ 85°C
Type:
TxRx Only
RF Family/Standard:
General ISM < 1GHz
Modulation:
FSK, GFSK, OOK
Frequency:
900MHz ~ 960MHz
Data Rate (Max):
256kbps
Power – Output:
13dBm (Max)
Sensitivity:
-121dBm
Serial Interfaces:
SPI
GPIO:
3
Voltage – Supply:
1.8V ~ 3.6V
Current – Receiving:
18.5mA
Current – Transmitting:
17mA ~ 30mA
Operating Temperature:
-40°C ~ 85°C
Mounting Type:
Surface Mount
Package / Case:
20-VFQFN Exposed Pad
Supplier Device Package:
20-QFN (4×4)
1,045
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SI4431-A0-FM
SI4431-A0-FMSilicon LabsIC RF TXRX ISM<1GHZ 20VFQFNRF Transceiver ICs20-QFN (4x4)1.8V ~ 3.6V-40°C ~ 85°C
Type:
TxRx Only
RF Family/Standard:
General ISM < 1GHz
Modulation:
FSK, GFSK, OOK
Frequency:
240MHz ~ 930MHz
Data Rate (Max):
128kbps
Power – Output:
13dBm (Max)
Sensitivity:
-118dBm
Serial Interfaces:
SPI
GPIO:
3
Voltage – Supply:
1.8V ~ 3.6V
Current – Receiving:
18.5mA
Current – Transmitting:
18mA ~ 28mA
Operating Temperature:
-40°C ~ 85°C
Mounting Type:
Surface Mount
Package / Case:
20-VFQFN Exposed Pad
Supplier Device Package:
20-QFN (4×4)
284
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SI4431-A0-FMR
SI4431-A0-FMRSilicon Labs+13 DBM SUB-GHZ TRANSMITTERRF Transceiver ICs20-QFN (4x4)1.8V ~ 3.6V-40°C ~ 85°C (TA)
Type:
TxRx Only
RF Family/Standard:
General ISM < 1GHz
Modulation:
FSK, GFSK, OOK
Frequency:
240MHz ~ 930MHz
Data Rate (Max):
128kbps
Power – Output:
13dBm
Sensitivity:
-118dBm
Serial Interfaces:
SPI
GPIO:
3
Voltage – Supply:
1.8V ~ 3.6V
Current – Receiving:
18.5mA
Current – Transmitting:
28mA
Operating Temperature:
-40°C ~ 85°C (TA)
Mounting Type:
Surface Mount
Package / Case:
20-VFQFN Exposed Pad
Supplier Device Package:
20-QFN (4×4)
1,456
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SI4431-B1-FM
SI4431-B1-FMSilicon LabsIC RF TXRX ISM<1GHZ 20VFQFNRF Transceiver ICs20-QFN (4x4)1.8V ~ 3.6V-40°C ~ 85°C
Type:
TxRx Only
RF Family/Standard:
General ISM < 1GHz
Modulation:
FSK, GFSK, OOK
Frequency:
240MHz ~ 930MHz
Data Rate (Max):
256kbps
Power – Output:
13dBm (Max)
Sensitivity:
-121dBm
Serial Interfaces:
SPI
GPIO:
3
Voltage – Supply:
1.8V ~ 3.6V
Current – Receiving:
18.5mA
Current – Transmitting:
17mA ~ 30mA
Operating Temperature:
-40°C ~ 85°C
Mounting Type:
Surface Mount
Package / Case:
20-VFQFN Exposed Pad
Supplier Device Package:
20-QFN (4×4)
740
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SI4431-B1-FMR
SI4431-B1-FMRSilicon LabsIC RF TXRX ISM<1GHZ 20VFQFNRF Transceiver ICs20-QFN (4x4)1.8V ~ 3.6V-40°C ~ 85°C
Type:
TxRx Only
RF Family/Standard:
General ISM < 1GHz
Modulation:
FSK, GFSK, OOK
Frequency:
240MHz ~ 930MHz
Data Rate (Max):
256kbps
Power – Output:
13dBm (Max)
Sensitivity:
-121dBm
Serial Interfaces:
SPI
GPIO:
3
Voltage – Supply:
1.8V ~ 3.6V
Current – Receiving:
18.5mA
Current – Transmitting:
17mA ~ 30mA
Operating Temperature:
-40°C ~ 85°C
Mounting Type:
Surface Mount
Package / Case:
20-VFQFN Exposed Pad
Supplier Device Package:
20-QFN (4×4)
1,426
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SI4432-B1-FM
SI4432-B1-FMSilicon LabsIC RF TXRX ISM<1GHZ 20VFQFNRF Transceiver ICs20-QFN (4x4)1.8V ~ 3.6V-40°C ~ 85°C
Type:
TxRx Only
RF Family/Standard:
General ISM < 1GHz
Modulation:
FSK, GFSK, OOK
Frequency:
240MHz ~ 930MHz
Data Rate (Max):
256kbps
Power – Output:
20dBm (Max)
Sensitivity:
-121dBm
Serial Interfaces:
SPI
GPIO:
3
Voltage – Supply:
1.8V ~ 3.6V
Current – Receiving:
18.5mA
Current – Transmitting:
85mA
Operating Temperature:
-40°C ~ 85°C
Mounting Type:
Surface Mount
Package / Case:
20-VFQFN Exposed Pad
Supplier Device Package:
20-QFN (4×4)
644
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SI4432-B1-FMR
SI4432-B1-FMRSilicon LabsIC RF TXRX ISM<1GHZ 20VFQFNRF Transceiver ICs20-QFN (4x4)1.8V ~ 3.6V-40°C ~ 85°C
Type:
TxRx Only
RF Family/Standard:
General ISM < 1GHz
Modulation:
FSK, GFSK, OOK
Frequency:
240MHz ~ 930MHz
Data Rate (Max):
256kbps
Power – Output:
20dBm (Max)
Sensitivity:
-121dBm
Serial Interfaces:
SPI
GPIO:
3
Voltage – Supply:
1.8V ~ 3.6V
Current – Receiving:
18.5mA
Current – Transmitting:
85mA
Operating Temperature:
-40°C ~ 85°C
Mounting Type:
Surface Mount
Package / Case:
20-VFQFN Exposed Pad
Supplier Device Package:
20-QFN (4×4)
504
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SI4432-V2-FM
SI4432-V2-FMSilicon LabsIC RF TXRX ISM<1GHZ 20VFQFNRF Transceiver ICs20-QFN (4x4)1.8V ~ 3.6V-40°C ~ 85°C
Type:
TxRx Only
RF Family/Standard:
General ISM < 1GHz
Modulation:
FSK, GFSK, OOK
Frequency:
240MHz ~ 930MHz
Data Rate (Max):
128kbps
Power – Output:
20dBm (Max)
Sensitivity:
-118dBm
Serial Interfaces:
SPI
GPIO:
3
Voltage – Supply:
1.8V ~ 3.6V
Current – Receiving:
18.5mA
Current – Transmitting:
27mA ~ 80mA
Operating Temperature:
-40°C ~ 85°C
Mounting Type:
Surface Mount
Package / Case:
20-VFQFN Exposed Pad
Supplier Device Package:
20-QFN (4×4)
513
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SI4432-V2-FMR
SI4432-V2-FMRSilicon LabsIC RF TXRX ISM 20VFQFNRF Transceiver ICsN/AN/AN/A

N/A

807
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SI4438-B1C-FM
SI4438-B1C-FMSilicon LabsIC RF TXRX+MCU ISM<1GHZ 20VFQFNRF Transceiver ICs20-QFN (4x4)1.8V ~ 3.6V-40°C ~ 85°C
Type:
TxRx Only
RF Family/Standard:
General ISM < 1GHz
Modulation:
FSK, GFSK, GMSK, OOK
Frequency:
425MHz ~ 525MHz
Data Rate (Max):
500kbps
Power – Output:
20dBm (Max)
Sensitivity:
-124dBm
Serial Interfaces:
SPI
GPIO:
4
Voltage – Supply:
1.8V ~ 3.6V
Current – Receiving:
14mA
Current – Transmitting:
75mA
Operating Temperature:
-40°C ~ 85°C
Mounting Type:
Surface Mount
Package / Case:
20-VFQFN Exposed Pad
Supplier Device Package:
20-QFN (4×4)
517
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SI4438-B1C-FMR
SI4438-B1C-FMRSilicon LabsIC RF TXRX+MCU ISM<1GHZ 20VFQFNRF Transceiver ICs20-QFN (4x4)1.8V ~ 3.6V-40°C ~ 85°C
Type:
TxRx Only
RF Family/Standard:
General ISM < 1GHz
Modulation:
FSK, GFSK, GMSK, OOK
Frequency:
425MHz ~ 525MHz
Data Rate (Max):
500kbps
Power – Output:
20dBm (Max)
Sensitivity:
-124dBm
Serial Interfaces:
SPI
GPIO:
4
Voltage – Supply:
1.8V ~ 3.6V
Current – Receiving:
14mA
Current – Transmitting:
75mA
Operating Temperature:
-40°C ~ 85°C
Mounting Type:
Surface Mount
Package / Case:
20-VFQFN Exposed Pad
Supplier Device Package:
20-QFN (4×4)
43
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SI4438-C2A-GM
SI4438-C2A-GMSilicon LabsIC RF TXRX ISM<1GHZ 20VFQFNRF Transceiver ICs20-QFN (4x4)1.8V ~ 3.6V-40°C ~ 85°C
Type:
TxRx Only
RF Family/Standard:
General ISM < 1GHz
Modulation:
FSK, GFSK, GMSK, OOK
Frequency:
425MHz ~ 525MHz
Data Rate (Max):
500kbps
Power – Output:
20dBm (Max)
Sensitivity:
-124dBm
Serial Interfaces:
SPI
GPIO:
4
Voltage – Supply:
1.8V ~ 3.6V
Current – Receiving:
13.7mA
Current – Transmitting:
75mA
Operating Temperature:
-40°C ~ 85°C
Mounting Type:
Surface Mount
Package / Case:
20-VFQFN Exposed Pad
Supplier Device Package:
20-QFN (4×4)
319
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SI4438-C2A-GMR
SI4438-C2A-GMRSilicon LabsIC RF TXRX ISM<1GHZ 20VFQFNRF Transceiver ICs20-QFN (4x4)1.8V ~ 3.6V-40°C ~ 85°C
Type:
TxRx Only
RF Family/Standard:
General ISM < 1GHz
Modulation:
FSK, GFSK, GMSK, OOK
Frequency:
425MHz ~ 525MHz
Data Rate (Max):
500kbps
Power – Output:
20dBm (Max)
Sensitivity:
-124dBm
Serial Interfaces:
SPI
GPIO:
4
Voltage – Supply:
1.8V ~ 3.6V
Current – Receiving:
13.7mA
Current – Transmitting:
75mA
Operating Temperature:
-40°C ~ 85°C
Mounting Type:
Surface Mount
Package / Case:
20-VFQFN Exposed Pad
Supplier Device Package:
20-QFN (4×4)
716
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SI4455-B1A-FM
SI4455-B1A-FMSilicon LabsIC RF TXRX ISM<1GHZ 20VFQFNRF Transceiver ICs20-QFN (3x3)1.8V ~ 3.6V-40°C ~ 85°C
Type:
TxRx Only
RF Family/Standard:
General ISM < 1GHz
Modulation:
FSK, GFSK, OOK
Frequency:
283MHz ~ 960MHz
Data Rate (Max):
500kbps
Power – Output:
13dBm (Max)
Sensitivity:
-116dBm
Serial Interfaces:
SPI
GPIO:
4
Voltage – Supply:
1.8V ~ 3.6V
Current – Receiving:
10mA
Current – Transmitting:
18mA ~ 30mA
Operating Temperature:
-40°C ~ 85°C
Mounting Type:
Surface Mount
Package / Case:
20-VFQFN Exposed Pad
Supplier Device Package:
20-QFN (3×3)
1,108
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SI4455-B1A-FMR
SI4455-B1A-FMRSilicon LabsIC RF TXRX ISM<1GHZ 20VFQFNRF Transceiver ICs20-QFN (3x3)1.8V ~ 3.6V-40°C ~ 85°C
Type:
TxRx Only
RF Family/Standard:
General ISM < 1GHz
Modulation:
FSK, GFSK, OOK
Frequency:
283MHz ~ 960MHz
Data Rate (Max):
500kbps
Power – Output:
13dBm (Max)
Sensitivity:
-116dBm
Serial Interfaces:
SPI
GPIO:
4
Voltage – Supply:
1.8V ~ 3.6V
Current – Receiving:
10mA
Current – Transmitting:
18mA ~ 30mA
Operating Temperature:
-40°C ~ 85°C
Mounting Type:
Surface Mount
Package / Case:
20-VFQFN Exposed Pad
Supplier Device Package:
20-QFN (3×3)
1,289
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