10,000+ Happy Customers
20+ Years in Business
75,000+ SKUs in Stock
80+ Authorized Manufacturers
Helping Tech Companies Create What’s Next!
phoneCall +1.949.783.7300
GET A
QUOTE

Electronic Parts Search

Suntsu Electronics is your reliable source for hard-to-find and obsolete electronic components. Our advanced part search tool makes it easy to quickly find the products you need. You can search by part number, manufacturer, or specifications to instantly access a comprehensive database of electronic components.

Featured Brands

Part Search

CLEAR SEARCH
Total Products: 3,546
ImageData
Sheet		Part NumberManufacturerDescriptionCategoryDevice PackageVoltageOperating
Temp		Additional SpecificationsQtyGet A
Quote
SI4464-B1B-FM
SI4464-B1B-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:
4GFSK, GFSK, GMSK, OOK
Frequency:
119MHz ~ 1.05GHz
Data Rate (Max):
1Mbps
Power – Output:
20dBm (Max)
Sensitivity:
-126dBm
Serial Interfaces:
SPI
GPIO:
4
Voltage – Supply:
1.8V ~ 3.6V
Current – Receiving:
10.7mA ~ 13.7mA
Current – Transmitting:
70mA ~ 85mA
Operating Temperature:
-40°C ~ 85°C
Mounting Type:
Surface Mount
Package / Case:
20-VFQFN Exposed Pad
Supplier Device Package:
20-QFN (4×4)
963
GET A
QUOTE
SI4464-B1B-FMR
SI4464-B1B-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:
4GFSK, GFSK, GMSK, OOK
Frequency:
119MHz ~ 1.05GHz
Data Rate (Max):
1Mbps
Power – Output:
20dBm (Max)
Sensitivity:
-126dBm
Serial Interfaces:
SPI
GPIO:
4
Voltage – Supply:
1.8V ~ 3.6V
Current – Receiving:
10.7mA ~ 13.7mA
Current – Transmitting:
70mA ~ 85mA
Operating Temperature:
-40°C ~ 85°C
Mounting Type:
Surface Mount
Package / Case:
20-VFQFN Exposed Pad
Supplier Device Package:
20-QFN (4×4)
162
GET A
QUOTE
SI4464-B1X-FM
SI4464-B1X-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:
4GFSK, GFSK, GMSK, OOK
Frequency:
119MHz ~ 1.05GHz
Data Rate (Max):
1Mbps
Power – Output:
20dBm (Max)
Sensitivity:
-126dBm
Serial Interfaces:
SPI
GPIO:
4
Voltage – Supply:
1.8V ~ 3.6V
Current – Receiving:
10.7mA ~ 13.7mA
Current – Transmitting:
70mA ~ 85mA
Operating Temperature:
-40°C ~ 85°C
Mounting Type:
Surface Mount
Package / Case:
20-VFQFN Exposed Pad
Supplier Device Package:
20-QFN (4×4)
75
GET A
QUOTE
SI4467-A2A-IM
SI4467-A2A-IMSilicon LabsIC RF TXRX+MCU ISM<1GHZ 20WFQFNRF Transceiver ICs20-QFN (4x4)1.8V ~ 3.8V-40°C ~ 125°C
Type:
TxRx Only
RF Family/Standard:
General ISM < 1GHz
Modulation:
4FSK, 4GFSK, FSK, GFSK, OOK
Frequency:
142MHz ~ 1.05GHz
Data Rate (Max):
1Mbps
Power – Output:
12.5dBm (Max)
Sensitivity:
-133dBm
Serial Interfaces:
SPI
GPIO:
4
Voltage – Supply:
1.8V ~ 3.8V
Current – Receiving:
10.9mA ~ 13.7mA
Current – Transmitting:
18mA ~ 24mA
Operating Temperature:
-40°C ~ 125°C
Mounting Type:
Surface Mount
Package / Case:
20-VFQFN Exposed Pad
Supplier Device Package:
20-QFN (4×4)
1,745
GET A
QUOTE
SI4467-A2A-IMR
SI4467-A2A-IMRSilicon LabsIC RF TXRX+MCU ISM<1GHZ 20WFQFNRF Transceiver ICs20-QFN (4x4)1.8V ~ 3.8V-40°C ~ 125°C
Type:
TxRx Only
RF Family/Standard:
General ISM < 1GHz
Modulation:
4FSK, 4GFSK, FSK, GFSK, OOK
Frequency:
142MHz ~ 1.05GHz
Data Rate (Max):
1Mbps
Power – Output:
12.5dBm (Max)
Sensitivity:
-133dBm
Serial Interfaces:
SPI
GPIO:
4
Voltage – Supply:
1.8V ~ 3.8V
Current – Receiving:
10.9mA ~ 13.7mA
Current – Transmitting:
18mA ~ 24mA
Operating Temperature:
-40°C ~ 125°C
Mounting Type:
Surface Mount
Package / Case:
20-VFQFN Exposed Pad
Supplier Device Package:
20-QFN (4×4)
491
GET A
QUOTE
SI4468-A2A-IM
SI4468-A2A-IMSilicon LabsIC RF TXRX+MCU ISM<1GHZ 20VFQFNRF Transceiver ICs20-QFN (4x4)1.8V ~ 3.8V-40°C ~ 125°C
Type:
TxRx Only
RF Family/Standard:
General ISM < 1GHz
Modulation:
4FSK, 4GFSK, FSK, GFSK, OOK
Frequency:
142MHz ~ 1.05GHz
Data Rate (Max):
1Mbps
Power – Output:
20dBm (Max)
Sensitivity:
-133dBm
Serial Interfaces:
SPI
GPIO:
4
Voltage – Supply:
1.8V ~ 3.8V
Current – Receiving:
10.9mA ~ 13.7mA
Current – Transmitting:
44.5mA ~ 88mA
Operating Temperature:
-40°C ~ 125°C
Mounting Type:
Surface Mount
Package / Case:
20-VFQFN Exposed Pad
Supplier Device Package:
20-QFN (4×4)
774
GET A
QUOTE
SI4468-A2A-IMR
SI4468-A2A-IMRSilicon LabsIC RF TXRX+MCU ISM<1GHZ 20VFQFNRF Transceiver ICs20-QFN (4x4)1.8V ~ 3.8V-40°C ~ 125°C
Type:
TxRx Only
RF Family/Standard:
General ISM < 1GHz
Modulation:
4FSK, 4GFSK, FSK, GFSK, OOK
Frequency:
142MHz ~ 1.05GHz
Data Rate (Max):
1Mbps
Power – Output:
20dBm (Max)
Sensitivity:
-133dBm
Serial Interfaces:
SPI
GPIO:
4
Voltage – Supply:
1.8V ~ 3.8V
Current – Receiving:
10.9mA ~ 13.7mA
Current – Transmitting:
44.5mA ~ 88mA
Operating Temperature:
-40°C ~ 125°C
Mounting Type:
Surface Mount
Package / Case:
20-VFQFN Exposed Pad
Supplier Device Package:
20-QFN (4×4)
977
GET A
QUOTE
SI4720-B20-GM
SI4720-B20-GMSkyworks Solutions Inc.IC RF TXRX VHF 20UFQFNRF Transceiver ICs20-QFN (3x3)2.7V ~ 5.5V-40°C ~ 95°C
Type:
TxRx Only
RF Family/Standard:
VHF
Protocol:
FM Radio
Frequency:
76MHz ~ 108MHz
Serial Interfaces:
I2S, SPI
GPIO:
3
Voltage – Supply:
2.7V ~ 5.5V
Current – Receiving:
16.8mA ~ 19.8mA
Current – Transmitting:
18.3mA ~ 18.8mA
Operating Temperature:
-40°C ~ 95°C
Mounting Type:
Surface Mount
Package / Case:
20-UFQFN Exposed Pad
Supplier Device Package:
20-QFN (3×3)
902
GET A
QUOTE
SI4720-B20-GMR
SI4720-B20-GMRSkyworks Solutions Inc.IC RF TXRX VHF 20UFQFNRF Transceiver ICs20-QFN (3x3)2.7V ~ 5.5V-40°C ~ 95°C
Type:
TxRx Only
RF Family/Standard:
VHF
Protocol:
FM Radio
Frequency:
76MHz ~ 108MHz
Serial Interfaces:
I2S, SPI
GPIO:
3
Voltage – Supply:
2.7V ~ 5.5V
Current – Receiving:
16.8mA ~ 19.8mA
Current – Transmitting:
18.3mA ~ 18.8mA
Operating Temperature:
-40°C ~ 95°C
Mounting Type:
Surface Mount
Package / Case:
20-UFQFN Exposed Pad
Supplier Device Package:
20-QFN (3×3)
475
GET A
QUOTE
SI4721-B20-GM
SI4721-B20-GMSkyworks Solutions Inc.IC RF TXRX VHF 20UFQFNRF Transceiver ICs20-QFN (3x3)2.7V ~ 5.5V-40°C ~ 95°C
Type:
TxRx Only
RF Family/Standard:
VHF
Protocol:
FM Radio
Frequency:
76MHz ~ 108MHz
Serial Interfaces:
I2S, SPI
GPIO:
3
Voltage – Supply:
2.7V ~ 5.5V
Current – Receiving:
16.8mA ~ 19.8mA
Current – Transmitting:
18.3mA ~ 18.8mA
Operating Temperature:
-40°C ~ 95°C
Mounting Type:
Surface Mount
Package / Case:
20-UFQFN Exposed Pad
Supplier Device Package:
20-QFN (3×3)
703
GET A
QUOTE
SI4721-B20-GMR
SI4721-B20-GMRSkyworks Solutions Inc.IC RF TXRX VHF 20UFQFNRF Transceiver ICs20-QFN (3x3)2.7V ~ 5.5V-40°C ~ 95°C
Type:
TxRx Only
RF Family/Standard:
VHF
Protocol:
FM Radio
Frequency:
76MHz ~ 108MHz
Serial Interfaces:
I2S, SPI
GPIO:
3
Voltage – Supply:
2.7V ~ 5.5V
Current – Receiving:
16.8mA ~ 19.8mA
Current – Transmitting:
18.3mA ~ 18.8mA
Operating Temperature:
-40°C ~ 95°C
Mounting Type:
Surface Mount
Package / Case:
20-UFQFN Exposed Pad
Supplier Device Package:
20-QFN (3×3)
820
GET A
QUOTE
SIWG917M111MGTBA
SIWG917M111MGTBASilicon LabsIC RF TXRX+MCU WIFI BLE 84QFNRF Transceiver ICs84-QFN (7x7)1.75V ~ 3.63V-40°C ~ 85°C
Type:
TxRx + MCU
RF Family/Standard:
Bluetooth, WiFi
Protocol:
802.11b/g/n/ax, Bluetooth v5.4
Frequency:
2.4GHz
Data Rate (Max):
54Mbps
Power – Output:
21dBm
Sensitivity:
-106dBm
Memory Size:
8MB Flash, 672kB SRAM
Serial Interfaces:
ADC, GPIO, I2C, I2S, PWM, SDIO, SPI, UART
GPIO:
44
Voltage – Supply:
1.75V ~ 3.63V
Current – Receiving:
19mA
Operating Temperature:
-40°C ~ 85°C
Mounting Type:
Surface Mount
Package / Case:
84-VFQFN Dual Rows, Exposed Pad
Supplier Device Package:
84-QFN (7×7)
1,479
GET A
QUOTE
SIWG917M111MGTBARN/ASIWG917M111MGTBARSilicon LabsIC RF TXRX+MCU WIFI BLE 84QFNRF Transceiver ICs84-QFN (7x7)1.75V ~ 3.63V-40°C ~ 85°C
Type:
TxRx + MCU
RF Family/Standard:
Bluetooth, WiFi
Protocol:
802.11b/g/n/ax, Bluetooth v5.4
Frequency:
2.4GHz
Data Rate (Max):
54Mbps
Power – Output:
21dBm
Sensitivity:
-106dBm
Memory Size:
8MB Flash, 672kB SRAM
Serial Interfaces:
ADC, GPIO, I2C, I2S, PWM, SDIO, SPI, UART
GPIO:
44
Voltage – Supply:
1.75V ~ 3.63V
Current – Receiving:
19mA
Operating Temperature:
-40°C ~ 85°C
Mounting Type:
Surface Mount
Package / Case:
84-VFQFN Dual Rows, Exposed Pad
Supplier Device Package:
84-QFN (7×7)
370
GET A
QUOTE
SIWN917M100LGTBA
SIWN917M100LGTBASilicon LabsIC RF TXRX+MCU WIFI BLE 84QFNRF Transceiver ICs84-QFN (7x7)1.71V ~ 3.63V-40°C ~ 85°C
Type:
TxRx + MCU
RF Family/Standard:
Bluetooth, WiFi
Protocol:
802.11b/g/n/ax, Bluetooth v5.4
Frequency:
2.4GHz
Data Rate (Max):
54Mbps
Power – Output:
20dBm
Sensitivity:
-97.5dBm
Memory Size:
4MB Flash, 672kB SRAM
Serial Interfaces:
ADC, GPIO, I2C, I2S, SDIO, SPI, UART
GPIO:
41
Voltage – Supply:
1.71V ~ 3.63V
Current – Receiving:
18mA
Current – Transmitting:
10mA ~ 17mA
Operating Temperature:
-40°C ~ 85°C
Mounting Type:
Surface Mount
Package / Case:
84-VFQFN Dual Rows, Exposed Pad
Supplier Device Package:
84-QFN (7×7)
544
GET A
QUOTE
SIWN917M100LGTBARN/ASIWN917M100LGTBARSilicon LabsIC RF TXRX+MCU WIFI BLE 84QFNRF Transceiver ICs84-QFN (7x7)1.71V ~ 3.63V-40°C ~ 85°C
Type:
TxRx + MCU
RF Family/Standard:
Bluetooth, WiFi
Protocol:
802.11b/g/n/ax, Bluetooth v5.4
Frequency:
2.4GHz
Data Rate (Max):
54Mbps
Power – Output:
20dBm
Sensitivity:
-97.5dBm
Memory Size:
4MB Flash, 672kB SRAM
Serial Interfaces:
ADC, GPIO, I2C, I2S, SDIO, SPI, UART
GPIO:
41
Voltage – Supply:
1.71V ~ 3.63V
Current – Receiving:
18mA
Current – Transmitting:
10mA ~ 17mA
Operating Temperature:
-40°C ~ 85°C
Mounting Type:
Surface Mount
Package / Case:
84-VFQFN Dual Rows, Exposed Pad
Supplier Device Package:
84-QFN (7×7)
1,878
GET A
QUOTE
SN250Q
SN250QSTMicroelectronicsIC RF TXRX+MCU 802.15.4 48VFQFNRF Transceiver ICs48-QFN (7x7)2.1V ~ 3.6V-40°C ~ 85°C
Type:
TxRx + MCU
RF Family/Standard:
802.15.4
Protocol:
Zigbee®
Modulation:
O-QPSK
Frequency:
2.4GHz
Data Rate (Max):
12Mbps
Power – Output:
5dBm
Sensitivity:
-98dBm
Memory Size:
128kB Flash, 5kB SRAM
Serial Interfaces:
I2C, SPI, UART
GPIO:
17
Voltage – Supply:
2.1V ~ 3.6V
Current – Receiving:
27mA ~ 35.5mA
Current – Transmitting:
19.5mA ~ 35.5mA
Operating Temperature:
-40°C ~ 85°C
Mounting Type:
Surface Mount
Package / Case:
48-VFQFN Exposed Pad
Supplier Device Package:
48-QFN (7×7)
787
GET A
QUOTE
SN250QT
SN250QTSTMicroelectronicsIC RF TXRX+MCU 802.15.4 48VFQFNRF Transceiver ICs48-QFN (7x7)2.1V ~ 3.6V-40°C ~ 85°C
Type:
TxRx + MCU
RF Family/Standard:
802.15.4
Protocol:
Zigbee®
Modulation:
O-QPSK
Frequency:
2.4GHz
Data Rate (Max):
12Mbps
Power – Output:
5dBm
Sensitivity:
-98dBm
Memory Size:
128kB Flash, 5kB SRAM
Serial Interfaces:
I2C, SPI, UART
GPIO:
17
Voltage – Supply:
2.1V ~ 3.6V
Current – Receiving:
27mA ~ 35.5mA
Current – Transmitting:
19.5mA ~ 35.5mA
Operating Temperature:
-40°C ~ 85°C
Mounting Type:
Surface Mount
Package / Case:
48-VFQFN Exposed Pad
Supplier Device Package:
48-QFN (7×7)
113
GET A
QUOTE
SN260Q
SN260QSTMicroelectronicsIC RF TXRX+MCU 802.15.4 40VFQFNRF Transceiver ICs40-QFN (6x6)2.1V ~ 3.6V-40°C ~ 85°C
Type:
TxRx + MCU
RF Family/Standard:
802.15.4
Protocol:
Zigbee®
Modulation:
O-QPSK
Frequency:
2.4GHz
Power – Output:
4.5dBm
Sensitivity:
-100dBm
Serial Interfaces:
SPI, UART
Voltage – Supply:
2.1V ~ 3.6V
Current – Receiving:
28mA ~ 36mA
Current – Transmitting:
19mA ~ 36mA
Operating Temperature:
-40°C ~ 85°C
Mounting Type:
Surface Mount
Package / Case:
40-VFQFN Exposed Pad
Supplier Device Package:
40-QFN (6×6)
52
GET A
QUOTE
SN260QT
SN260QTSTMicroelectronicsIC RF TXRX+MCU 802.15.4 40VFQFNRF Transceiver ICs40-QFN (6x6)2.1V ~ 3.6V-40°C ~ 85°C
Type:
TxRx + MCU
RF Family/Standard:
802.15.4
Protocol:
Zigbee®
Modulation:
O-QPSK
Frequency:
2.4GHz
Power – Output:
4.5dBm
Sensitivity:
-100dBm
Serial Interfaces:
SPI, UART
Voltage – Supply:
2.1V ~ 3.6V
Current – Receiving:
28mA ~ 36mA
Current – Transmitting:
19mA ~ 36mA
Operating Temperature:
-40°C ~ 85°C
Mounting Type:
Surface Mount
Package / Case:
40-VFQFN Exposed Pad
Supplier Device Package:
40-QFN (6×6)
528
GET A
QUOTE
SN761633RTAR
SN761633RTARTexas InstrumentsIC RF TXRX ISM<1GHZ 40WFQFNRF Transceiver ICs40-WQFN (6x6)2.5V ~ 4V-20°C ~ 85°C
Type:
TxRx Only
RF Family/Standard:
General ISM < 1GHz
Frequency:
76MHz ~ 108MHz
Power – Output:
4dBm
Serial Interfaces:
I2C
Voltage – Supply:
2.5V ~ 4V
Current – Receiving:
11.5mA
Current – Transmitting:
11.5mA ~ 24mA
Operating Temperature:
-20°C ~ 85°C
Mounting Type:
Surface Mount
Package / Case:
40-WFQFN Exposed Pad
Supplier Device Package:
40-WQFN (6×6)
491
GET A
QUOTE

We’ve Got You Covered!

If you can’t find the parts you’re looking for in our database, don’t worry! We’re here to help. Simply fill out the form below with the part number you need and your contact information, and we’ll locate it for you. If you prefer to speak to someone directly, our sales team is available at 949.783.7300.

























    I agree to receive newsletters and promotional emails. I can unsubscribe at any time.


    Global Sourcing Capabilities

    Tap into our global network of suppliers to find the components you need. We simplify procurement, even for hard-to-find parts, saving you time and ensuring smooth production.

    Second Sourcing  Second Sourcing Solutions

    Don’t let supply chain disruptions delay your project. We’ll help you identify alternative components and secure reliable secondary sources to keep your production on track.

    Obsolescence Management  Obsolescence Management

    Outsmart obsolescence and ensure your designs stay in production. We’ll help you navigate component lifecycles, secure long-term supply, and find smart alternatives when parts are discontinued.

    Shortage Mitigation  Shortage Mitigation

    Forget supply chain worries. Our team specializes in navigating the unpredictable component market, leveraging our global network and deep expertise to help you find the necessary components when you need them.

























      I agree to receive newsletters and promotional emails. I can unsubscribe at any time.


      keyboard_arrow_up