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.
| Image | Data Sheet | Part Number | Manufacturer | Description | Category | Device Package | Voltage | Operating Temp | Additional Specifications | Qty | Get A Quote |
|---|---|---|---|---|---|---|---|---|---|---|---|
 | EFR32MR21A020F512IM32-CR | Silicon Labs | 2.4 GHZ RCP 802.15.4 BLE T&R | RF Transceiver ICs | 32-QFN (4x4) | 1.71V ~ 3.8V | -40°C ~ 125°C (TA) | Type: TxRx + MCU RF Family/Standard: 802.15.4, Bluetooth Protocol: Bluetooth, Zigbee® Modulation: DSSS, GFSK, O-QPSK Frequency: 2.4GHz Data Rate (Max): 2Mbps Power – Output: 20dBm Sensitivity: -105dBm Memory Size: 512kB Flash, 64kB RAM Serial Interfaces: GPIO, HCI, I2S, IrDA, PWM, SPI, UART, USART GPIO: 20 Voltage – Supply: 1.71V ~ 3.8V Current – Receiving: 8.8mA ~ 9.8mA Current – Transmitting: 9.9mA ~ 186.5mA Operating Temperature: -40°C ~ 125°C (TA) Mounting Type: Surface Mount Package / Case: 32-VFQFN Exposed Pad Supplier Device Package: 32-QFN (4×4) | 463 | ||
 | EFR32SG23B020F512IM40-C | Silicon Labs | SG23 SUB-GHZ SOC AMAZON SIDEWALK | RF Transceiver ICs | 40-QFN (5x5) | 1.71V ~ 3.8V | -40°C ~ 125°C (TA) | Type: TxRx + MCU RF Family/Standard: Bluetooth, General ISM < 1GHz Protocol: Bluetooth Modulation: 2-FSK, 4-FSK, 2-GFSK, 4-GFSK, DSSS Frequency: 902MHz ~ 928MHz Data Rate (Max): 50kbps Power – Output: 20dBm Sensitivity: -109.5dBm Memory Size: 512kB Flash, 64kB RAM Serial Interfaces: GPIO, I2C, I2S, IrDA, PWM, SPI, UART, USART GPIO: 23 Voltage – Supply: 1.71V ~ 3.8V Current – Receiving: 4mA Current – Transmitting: 85.5mA Operating Temperature: -40°C ~ 125°C (TA) Mounting Type: Surface Mount Package / Case: 40-VFQFN Exposed Pad Supplier Device Package: 40-QFN (5×5) | 151 | ||
 | EFR32SG23B020F512IM40-CR | Silicon Labs | SG23 SUB-GHZ SOC AMAZON SIDEWALK | RF Transceiver ICs | 40-QFN (5x5) | 1.71V ~ 3.8V | -40°C ~ 125°C (TA) | Type: TxRx + MCU RF Family/Standard: Bluetooth, General ISM < 1GHz Protocol: Bluetooth Modulation: 2-FSK, 4-FSK, 2-GFSK, 4-GFSK, DSSS Frequency: 902MHz ~ 928MHz Data Rate (Max): 50kbps Power – Output: 20dBm Sensitivity: -109.5dBm Memory Size: 512kB Flash, 64kB RAM Serial Interfaces: GPIO, I2C, I2S, IrDA, PWM, SPI, UART, USART GPIO: 23 Voltage – Supply: 1.71V ~ 3.8V Current – Receiving: 4mA Current – Transmitting: 85.5mA Operating Temperature: -40°C ~ 125°C (TA) Mounting Type: Surface Mount Package / Case: 40-VFQFN Exposed Pad Supplier Device Package: 40-QFN (5×5) | 1,276 | ||
 | EFR32SG28B320F1024IM48-A | Silicon Labs | SG28 SUB-GHZ SOC AMAZON SIDEWALK | RF Transceiver ICs | 48-QFN (6x6) | 1.71V ~ 3.8V | -40°C ~ 125°C (TA) | Type: TxRx + MCU RF Family/Standard: Bluetooth, General ISM < 1GHz Protocol: Bluetooth v5.1 Modulation: 2-FSK, 4-FSK, 2-GFSK, 4-GFSK, DSSS Frequency: 902MHz ~ 928MHz, 2.4GHz ~ 2.4835GHz Data Rate (Max): 2Mbps Power – Output: 20dBm Sensitivity: -108.6dBm Memory Size: 1MB Flash, 256kB RAM Serial Interfaces: GPIO, I2C, I2S, IrDA, JTAG, PWM, SPI, UART, USART GPIO: 31 Voltage – Supply: 1.71V ~ 3.8V Current – Receiving: 4.2mA ~ 10.2mA Current – Transmitting: 12.3mA ~ 98mA Operating Temperature: -40°C ~ 125°C (TA) Mounting Type: Surface Mount Package / Case: 48-VFQFN Exposed Pad Supplier Device Package: 48-QFN (6×6) | 187 | ||
 | EFR32SG28B320F1024IM48-AR | Silicon Labs | SG28 SUB-GHZ SOC AMAZON SIDEWALK | RF Transceiver ICs | 48-QFN (6x6) | 1.71V ~ 3.8V | -40°C ~ 125°C (TA) | Type: TxRx + MCU RF Family/Standard: Bluetooth, General ISM < 1GHz Protocol: Bluetooth v5.1 Modulation: 2-FSK, 4-FSK, 2-GFSK, 4-GFSK, DSSS Frequency: 902MHz ~ 928MHz, 2.4GHz ~ 2.4835GHz Data Rate (Max): 2Mbps Power – Output: 20dBm Sensitivity: -108.6dBm Memory Size: 1MB Flash, 256kB RAM Serial Interfaces: GPIO, I2C, I2S, IrDA, JTAG, PWM, SPI, UART, USART GPIO: 31 Voltage – Supply: 1.71V ~ 3.8V Current – Receiving: 4.2mA ~ 10.2mA Current – Transmitting: 12.3mA ~ 98mA Operating Temperature: -40°C ~ 125°C (TA) Mounting Type: Surface Mount Package / Case: 48-VFQFN Exposed Pad Supplier Device Package: 48-QFN (6×6) | 347 | ||
 | EFR32SG28B320F1024IM68-A | Silicon Labs | SG28 SUB-GHZ SOC AMAZON SIDEWALK | RF Transceiver ICs | 68-QFN (8x8) | 1.71V ~ 3.8V | -40°C ~ 125°C (TA) | Type: TxRx + MCU RF Family/Standard: Bluetooth, General ISM < 1GHz Protocol: Bluetooth v5.1 Modulation: 2-FSK, 4-FSK, 2-GFSK, 4-GFSK, DSSS Frequency: 902MHz ~ 928MHz, 2.4GHz ~ 2.4835GHz Data Rate (Max): 2Mbps Power – Output: 20dBm Sensitivity: -108.6dBm Memory Size: 1MB Flash, 256kB RAM Serial Interfaces: GPIO, I2C, I2S, IrDA, JTAG, PWM, SPI, UART, USART GPIO: 49 Voltage – Supply: 1.71V ~ 3.8V Current – Receiving: 4.2mA ~ 10.2mA Current – Transmitting: 12.3mA ~ 98mA Operating Temperature: -40°C ~ 125°C (TA) Mounting Type: Surface Mount Package / Case: 68-VFQFN Exposed Pad Supplier Device Package: 68-QFN (8×8) | 408 | ||
 | EFR32SG28B320F1024IM68-AR | Silicon Labs | SG28 SUB-GHZ SOC AMAZON SIDEWALK | RF Transceiver ICs | 68-QFN (8x8) | 1.71V ~ 3.8V | -40°C ~ 125°C (TA) | Type: TxRx + MCU RF Family/Standard: Bluetooth, General ISM < 1GHz Protocol: Bluetooth v5.1 Modulation: 2-FSK, 4-FSK, 2-GFSK, 4-GFSK, DSSS Frequency: 902MHz ~ 928MHz, 2.4GHz ~ 2.4835GHz Data Rate (Max): 2Mbps Power – Output: 20dBm Sensitivity: -108.6dBm Memory Size: 1MB Flash, 256kB RAM Serial Interfaces: GPIO, I2C, I2S, IrDA, JTAG, PWM, SPI, UART, USART GPIO: 49 Voltage – Supply: 1.71V ~ 3.8V Current – Receiving: 4.2mA ~ 10.2mA Current – Transmitting: 12.3mA ~ 98mA Operating Temperature: -40°C ~ 125°C (TA) Mounting Type: Surface Mount Package / Case: 68-VFQFN Exposed Pad Supplier Device Package: 68-QFN (8×8) | 1,981 | ||
 | EFR32SG28B322F1024IM48-A | Silicon Labs | SG28 SUB-GHZ SOC AMAZON SIDEWALK | RF Transceiver ICs | 48-QFN (6x6) | 1.71V ~ 3.8V | -40°C ~ 125°C (TA) | Type: TxRx + MCU RF Family/Standard: Bluetooth, General ISM < 1GHz Protocol: Bluetooth v5.1 Modulation: 2-FSK, 4-FSK, 2-GFSK, 4-GFSK, DSSS Frequency: 902MHz ~ 928MHz, 2.4GHz ~ 2.4835GHz Data Rate (Max): 2Mbps Power – Output: 20dBm Sensitivity: -108.6dBm Memory Size: 1MB Flash, 256kB RAM Serial Interfaces: GPIO, I2C, I2S, IrDA, JTAG, PWM, SPI, UART, USART GPIO: 31 Voltage – Supply: 1.71V ~ 3.8V Current – Receiving: 4.2mA ~ 10.2mA Current – Transmitting: 12.3mA ~ 98mA Operating Temperature: -40°C ~ 125°C (TA) Mounting Type: Surface Mount Package / Case: 48-VFQFN Exposed Pad Supplier Device Package: 48-QFN (6×6) | 2,000 | ||
 | EFR32SG28B322F1024IM48-AR | Silicon Labs | SG28 SUB-GHZ SOC AMAZON SIDEWALK | RF Transceiver ICs | 48-QFN (6x6) | 1.71V ~ 3.8V | -40°C ~ 125°C (TA) | Type: TxRx + MCU RF Family/Standard: Bluetooth, General ISM < 1GHz Protocol: Bluetooth v5.1 Modulation: 2-FSK, 4-FSK, 2-GFSK, 4-GFSK, DSSS Frequency: 902MHz ~ 928MHz, 2.4GHz ~ 2.4835GHz Data Rate (Max): 2Mbps Power – Output: 20dBm Sensitivity: -108.6dBm Memory Size: 1MB Flash, 256kB RAM Serial Interfaces: GPIO, I2C, I2S, IrDA, JTAG, PWM, SPI, UART, USART GPIO: 31 Voltage – Supply: 1.71V ~ 3.8V Current – Receiving: 4.2mA ~ 10.2mA Current – Transmitting: 12.3mA ~ 98mA Operating Temperature: -40°C ~ 125°C (TA) Mounting Type: Surface Mount Package / Case: 48-VFQFN Exposed Pad Supplier Device Package: 48-QFN (6×6) | 1,424 | ||
 | EFR32SG28B322F1024IM68-A | Silicon Labs | SG28 SUB-GHZ SOC AMAZON SIDEWALK | RF Transceiver ICs | 68-QFN (8x8) | 1.71V ~ 3.8V | -40°C ~ 125°C (TA) | Type: TxRx + MCU RF Family/Standard: Bluetooth, General ISM < 1GHz Protocol: Bluetooth v5.1 Modulation: 2-FSK, 4-FSK, 2-GFSK, 4-GFSK, DSSS Frequency: 902MHz ~ 928MHz, 2.4GHz ~ 2.4835GHz Data Rate (Max): 2Mbps Power – Output: 20dBm Sensitivity: -108.6dBm Memory Size: 1MB Flash, 256kB RAM Serial Interfaces: GPIO, I2C, I2S, IrDA, JTAG, PWM, SPI, UART, USART GPIO: 49 Voltage – Supply: 1.71V ~ 3.8V Current – Receiving: 4.2mA ~ 10.2mA Current – Transmitting: 12.3mA ~ 98mA Operating Temperature: -40°C ~ 125°C (TA) Mounting Type: Surface Mount Package / Case: 68-VFQFN Exposed Pad Supplier Device Package: 68-QFN (8×8) | 325 | ||
 | EFR32SG28B322F1024IM68-AR | Silicon Labs | SG28 SUB-GHZ SOC AMAZON SIDEWALK | RF Transceiver ICs | 68-QFN (8x8) | 1.71V ~ 3.8V | -40°C ~ 125°C (TA) | Type: TxRx + MCU RF Family/Standard: Bluetooth, General ISM < 1GHz Protocol: Bluetooth v5.1 Modulation: 2-FSK, 4-FSK, 2-GFSK, 4-GFSK, DSSS Frequency: 902MHz ~ 928MHz, 2.4GHz ~ 2.4835GHz Data Rate (Max): 2Mbps Power – Output: 20dBm Sensitivity: -108.6dBm Memory Size: 1MB Flash, 256kB RAM Serial Interfaces: GPIO, I2C, I2S, IrDA, JTAG, PWM, SPI, UART, USART GPIO: 49 Voltage – Supply: 1.71V ~ 3.8V Current – Receiving: 4.2mA ~ 10.2mA Current – Transmitting: 12.3mA ~ 98mA Operating Temperature: -40°C ~ 125°C (TA) Mounting Type: Surface Mount Package / Case: 68-VFQFN Exposed Pad Supplier Device Package: 68-QFN (8×8) | 1,463 | ||
 | EFR32ZG14P231F256GM32-B | Silicon Labs | IC Z-WAVE 700 ZEN GECKO QFN32 | RF Transceiver ICs | 32-QFN (5x5) | 1.8V ~ 3.8V | -40°C ~ 85°C (TA) | Type: TxRx + MCU RF Family/Standard: General ISM < 1GHz Protocol: Z-Wave® Modulation: 2FSK, 4FSK, GFSK Frequency: 863MHz ~ 876MHz, 902MHz ~ 930MHz Data Rate (Max): 100kbps Power – Output: 13dBm Sensitivity: -103.9dBm Memory Size: 256kB Flash, 32kB RAM Serial Interfaces: UART GPIO: 16 Voltage – Supply: 1.8V ~ 3.8V Current – Receiving: 10.5mA Current – Transmitting: 12.9mA ~ 38.8mA Operating Temperature: -40°C ~ 85°C (TA) Mounting Type: Surface Mount Package / Case: 32-VFQFN Exposed Pad Supplier Device Package: 32-QFN (5×5) | 1,323 | ||
 | EFR32ZG14P231F256GM32-BR | Silicon Labs | IC Z-WAVE 700 ZEN GECKO QFN32 | RF Transceiver ICs | 32-QFN (5x5) | 1.8V ~ 3.8V | -40°C ~ 85°C (TA) | Type: TxRx + MCU RF Family/Standard: General ISM < 1GHz Protocol: Z-Wave® Modulation: 2FSK, 4FSK, GFSK Frequency: 863MHz ~ 876MHz, 902MHz ~ 930MHz Data Rate (Max): 100kbps Power – Output: 13dBm Sensitivity: -103.9dBm Memory Size: 256kB Flash, 32kB RAM Serial Interfaces: UART GPIO: 16 Voltage – Supply: 1.8V ~ 3.8V Current – Receiving: 10.5mA Current – Transmitting: 12.9mA ~ 38.8mA Operating Temperature: -40°C ~ 85°C (TA) Mounting Type: Surface Mount Package / Case: 32-VFQFN Exposed Pad Supplier Device Package: 32-QFN (5×5) | 625 | ||
 | EFR32ZG23A010F512GM40-B | Silicon Labs | ZG23, SUB-GHZ, 512KB FLASH, 64KB | RF Transceiver ICs | 40-QFN (5x5) | 1.71V ~ 3.8V | -40°C ~ 85°C (TA) | Type: TxRx + MCU RF Family/Standard: General ISM < 1GHz Protocol: Z-Wave® Modulation: 2FSK, 2GFSK, DSSS, O-QPSK Frequency: 863MHz ~ 870MHz, 902MHz ~ 928MHz Data Rate (Max): 100kbps Power – Output: 14dBm Sensitivity: -110dBm Memory Size: 512kB Flash, 64kB RAM Serial Interfaces: ADC, GPIO, I2C, I2S, SPI, IrDA, UART GPIO: 23 Voltage – Supply: 1.71V ~ 3.8V Current – Receiving: 6.8mA ~ 7.6mA Current – Transmitting: 16mA ~ 41.3mA Operating Temperature: -40°C ~ 85°C (TA) Mounting Type: Surface Mount Package / Case: 40-VFQFN Exposed Pad Supplier Device Package: 40-QFN (5×5) | 1,836 | ||
 | EFR32ZG23A010F512GM40-BR | Silicon Labs | ZG23, SUB-GHZ, 512KB FLASH, 64KB | RF Transceiver ICs | 40-QFN (5x5) | 1.71V ~ 3.8V | -40°C ~ 85°C (TA) | Type: TxRx + MCU RF Family/Standard: General ISM < 1GHz Protocol: Z-Wave® Modulation: 2FSK, 2GFSK, DSSS, O-QPSK Frequency: 863MHz ~ 870MHz, 902MHz ~ 928MHz Data Rate (Max): 100kbps Power – Output: 14dBm Sensitivity: -110dBm Memory Size: 512kB Flash, 64kB RAM Serial Interfaces: ADC, GPIO, I2C, I2S, SPI, IrDA, UART GPIO: 23 Voltage – Supply: 1.71V ~ 3.8V Current – Receiving: 6.8mA ~ 7.6mA Current – Transmitting: 16mA ~ 41.3mA Operating Temperature: -40°C ~ 85°C (TA) Mounting Type: Surface Mount Package / Case: 40-VFQFN Exposed Pad Supplier Device Package: 40-QFN (5×5) | 1,303 | ||
 | EFR32ZG23A010F512GM40-C | Silicon Labs | IC RF TXRX+MCU ISM<1GHZ 48QFN | RF Transceiver ICs | 40-QFN (5x5) | 1.71V ~ 3.8V | -40°C ~ 85°C (TA) | Type: TxRx + MCU RF Family/Standard: General ISM < 1GHz Protocol: Z-Wave® Modulation: 2FSK, 2GFSK, DSSS, O-QPSK Frequency: 863MHz ~ 870MHz, 902MHz ~ 928MHz Data Rate (Max): 100kbps Power – Output: 14dBm Sensitivity: -110dBm Memory Size: 512kB Flash, 64kB RAM Serial Interfaces: ADC, GPIO, I2C, I2S, SPI, IrDA, UART GPIO: 23 Voltage – Supply: 1.71V ~ 3.8V Current – Receiving: 6.8mA ~ 7.6mA Current – Transmitting: 16mA ~ 41.3mA Operating Temperature: -40°C ~ 85°C (TA) Mounting Type: Surface Mount Package / Case: 40-VFQFN Exposed Pad Supplier Device Package: 40-QFN (5×5) | 67 | ||
 | EFR32ZG23A010F512GM40-CR | Silicon Labs | ZG23, SUB-GHZ, 512KB FLASH, 64KB | RF Transceiver ICs | 40-QFN (5x5) | 1.71V ~ 3.8V | -40°C ~ 85°C (TA) | Type: TxRx + MCU RF Family/Standard: General ISM < 1GHz Protocol: Z-Wave® Modulation: 2FSK, 2GFSK, DSSS, O-QPSK Frequency: 433MHz ~ 434.79MHz, 863MHz ~ 869.2MHz, 863MHz ~ 870MHz, 869.4MHz ~ 869.65MHz, 902MHz ~ 928MHz Data Rate (Max): 2Mbps Power – Output: 14dBm Sensitivity: -126.9dBm Memory Size: 512kB Flash, 64kB RAM Serial Interfaces: ADC, GPIO, I2C, I2S, SPI, IrDA, UART GPIO: 23 Voltage – Supply: 1.71V ~ 3.8V Current – Receiving: 4mA ~ 7.6mA Current – Transmitting: 9.8mA ~ 92mA Operating Temperature: -40°C ~ 85°C (TA) Mounting Type: Surface Mount Package / Case: 40-VFQFN Exposed Pad Supplier Device Package: 40-QFN (5×5) | 256 | ||
 | EFR32ZG23A010F512GM48-B | Silicon Labs | ZG23, SUB-GHZ, 512KB FLASH, 64KB | RF Transceiver ICs | 48-QFN (6x6) | 1.71V ~ 3.8V | -40°C ~ 85°C (TA) | Type: TxRx + MCU RF Family/Standard: General ISM < 1GHz Protocol: Z-Wave® Modulation: 2FSK, 2GFSK, DSSS, O-QPSK Frequency: 863MHz ~ 870MHz, 902MHz ~ 928MHz Data Rate (Max): 100kbps Power – Output: 14dBm Sensitivity: -110dBm Memory Size: 512kB Flash, 64kB RAM Serial Interfaces: ADC, GPIO, I2C, I2S, SPI, IrDA, UART GPIO: 31 Voltage – Supply: 1.71V ~ 3.8V Current – Receiving: 6.8mA ~ 7.6mA Current – Transmitting: 16mA ~ 41.3mA Operating Temperature: -40°C ~ 85°C (TA) Mounting Type: Surface Mount Package / Case: 48-VFQFN Exposed Pad Supplier Device Package: 48-QFN (6×6) | 721 | ||
 | EFR32ZG23A010F512GM48-BR | Silicon Labs | ZG23, SUB-GHZ, 512KB FLASH, 64KB | RF Transceiver ICs | 48-QFN (6x6) | 1.71V ~ 3.8V | -40°C ~ 85°C (TA) | Type: TxRx + MCU RF Family/Standard: General ISM < 1GHz Protocol: Z-Wave® Modulation: 2FSK, 2GFSK, DSSS, O-QPSK Frequency: 863MHz ~ 870MHz, 902MHz ~ 928MHz Data Rate (Max): 100kbps Power – Output: 14dBm Sensitivity: -110dBm Memory Size: 512kB Flash, 64kB RAM Serial Interfaces: ADC, GPIO, I2C, I2S, SPI, IrDA, UART GPIO: 31 Voltage – Supply: 1.71V ~ 3.8V Current – Receiving: 6.8mA ~ 7.6mA Current – Transmitting: 16mA ~ 41.3mA Operating Temperature: -40°C ~ 85°C (TA) Mounting Type: Surface Mount Package / Case: 48-VFQFN Exposed Pad Supplier Device Package: 48-QFN (6×6) | 1,137 | ||
 | EFR32ZG23A010F512GM48-C | Silicon Labs | ZG23, SUB-GHZ, 512KB FLASH, 64KB | RF Transceiver ICs | 48-QFN (6x6) | 1.71V ~ 3.8V | -40°C ~ 85°C (TA) | Type: TxRx + MCU RF Family/Standard: General ISM < 1GHz Protocol: Z-Wave® Modulation: 2FSK, 2GFSK, DSSS, O-QPSK Frequency: 433MHz ~ 434.79MHz, 863MHz ~ 869.2MHz, 863MHz ~ 870MHz, 869.4MHz ~ 869.65MHz, 902MHz ~ 928MHz Data Rate (Max): 2Mbps Power – Output: 14dBm Sensitivity: -126.9dBm Memory Size: 512kB Flash, 64kB RAM Serial Interfaces: ADC, GPIO, I2C, I2S, SPI, IrDA, UART GPIO: 31 Voltage – Supply: 1.71V ~ 3.8V Current – Receiving: 4mA ~ 7.6mA Current – Transmitting: 9.8mA ~ 92mA Operating Temperature: -40°C ~ 85°C (TA) Mounting Type: Surface Mount Package / Case: 48-VFQFN Exposed Pad Supplier Device Package: 48-QFN (6×6) | 673 |
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.
Global Sourcing Capabilities
Second Sourcing Solutions
Obsolescence Management
Shortage Mitigation