EN
  • EN
  • DE
loading
Mfr. Part No. Qty. Price

No items in the cart

View Cart
Same model may have multiple batches, images only for reference.
EFR32MG21B020F1024IM32-B Silicon Labs
Same model may have multiple batches, images only for reference.

EFR32MG21B020F1024IM32-B

Part No EFR32MG21B020F1024IM32-B
Manufacturer Silicon Labs
Catalog RF Transceiver ICs
Description MIGHTY GECKO, QFN32, 2.4G, 20DB, / IC RF TxRx + MCU 802.15.4, Bluetooth Bluetooth v5.1, Thread, Zigbee® 2.4GHz ~ 2.4835GHz 32-VFQFN Exposed Pad
Sample
Rohs State rohs
ECAD Module
Need Help

Products specifications Report Issue?

Category RF and Wireless - RF Transceiver ICs
Mfr Silicon Labs
Series -
Package Tray
Product Status Active
Type TxRx + MCU
RF Family/Standard 802.15.4, Bluetooth
Protocol Bluetooth v5.1, Thread, Zigbee®
Modulation DSSS, GFSK, O-QPSK
Frequency 2.4GHz ~ 2.4835GHz
Data Rate (Max) 2Mbps
Power - Output 20dBm
Sensitivity -104.9dBm
Memory Size 1MB Flash, 96kB RAM
Serial Interfaces I²C, I²S, SPI, IrDA, UART, USART
GPIO 20
Voltage - Supply 1.71V ~ 3.8V
Current - Receiving 8.8mA ~ 9.8mA
Current - Transmitting 9.3mA ~ 185mA
Temperature Range - Operating -40°C ~ 125°C (TA)
Mounting Type Surface Mount
Package / Case 32-VFQFN Exposed Pad
Supplier Device Package 32-QFN (4x4)
Base Product Number EFR32MG21B020
MSL Level 2 (1 Year)
ECCN 5A992C
HTSUS 8542.31.0001
Win Source Part Number 1354156-EFR32MG21B020F1024IM32-B
Ultra Librarian 3D Model Ultra Librarian EFR32MG21B020F1024IM32-B CAD Model

Description

The EFR32MG21B020F1024IM32-B is an RF Transceiver IC designed by Silicon Labs.

  • Frequency: 2.4GHz to 2.4835GHz
  • Protocols: Bluetooth v5.1, Thread, Zigbee®
  • Power Output: 20dBm
  • Sensitivity: -104.9dBm
  • Serial Interfaces: I²C, I²S, SPI, IrDA, UART, USART
  • Voltage Supply: 1.71V to 3.8V
  • Data Rate: 2Mbps
  • Current Consumption (Receiving): 8.8mA to 9.8mA
  • Current Consumption (Transmitting): 9.3mA to 185mA

You May Also Be Interested in

Picture of NXH2004UK/A2Z
NXH2004UK/A2Z
NXP / Nexperia
IC RF
Need more? Email Us
EFR32FG1P131F128GM48-C0R Silicon Labs
EFR32FG1P131F128GM48-C0R
Silicon Labs
IC RF TXRX+MCU 802.15.4 48QFN
Need more? Email Us
Picture of BCM43692A1KFFBG
BCM43692A1KFFBG
Broadcom Limited
IC RF WIFI 11AX 2X2
Need more? Email Us
EFR32MG13P732F512IM32-D Silicon Labs
EFR32MG13P732F512IM32-D
Silicon Labs
IC RF TXRX+MCU 802.15.4 32RQFN
Need more? Email Us
MC13234CHTR NXP USA Inc.
MC13234CHTR
NXP / Nexperia
IC RF TXRX+MCU 802.15.4 48MAPLGA
Need more? Email Us
Picture of WCN-3990-0-116WLPSP-SR-0M-0
WCN-3990-0-116WLPSP-SR-0M-0
Qualcomm
2.4GHZ, 5GHZ; 2X2; DUAL-BAND CON
Need more? Email Us
EFR32MG12P433F1024IL125-CR Silicon Labs
EFR32MG12P433F1024IL125-CR
Silicon Labs
IC RF TXRX+MCU 802.15.4 125BGA
Need more? Email Us
Picture of BCM43692A1IFFBG
BCM43692A1IFFBG
Broadcom Limited
11AX 2X2 2.4/5/6 GHZ MAC/PHY/RAD
Need more? Email Us
CC1111F8RSP Texas Instruments
CC1111F8RSP
Texas Instruments
IC RF TXRX+MCU ISM<1GHZ 36VQFN
Need more? Email Us

Top Sellers

FT232RL-REEL Real Image
FT232RL-REEL
FTDI, Future Technology Devices International Ltd
IC USB FS SERIAL UART 28-SSOP
Lowest to $5.2271
FT234XD-R real image
FT234XD-R
FTDI, Future Technology Devices International Ltd
USB-to-UART 1-CH 512byte FIFO 5V 12-Pin DFN EP T/R / IC USB SERIAL BASIC UART 12DFN
Lowest to $4.5143
FT4232HL real image4446
FT4232HL
FTDI, Future Technology Devices International Ltd
IC USB HS QUAD UART/SYNC 64-LQFP
Lowest to $13.3053
SSD1963QL9 real image6483
SSD1963QL9
Solomon
LCD Display Controller 128-Pin LQFP Tray
Lowest to $7.4300
ULN2803ADW Real Image
ULN2803ADW
Texas Instruments
DARLINGTON TRANSISTOR ARRAY | TRANS 8NPN DARL 50V 0.5A 18SO
Lowest to $5.4647
DRV8432DKD Real Image1
DRV8432DKD
Texas Instruments
IC BRIDGE DRIVER PAR 36HSSOP
Lowest to $19.3374
PI3740-00-LGIZ real image
PI3740-00-LGIZ
Vicor Corporation
DC DC CONVERTER 10-50V / 8V – 60VIN , 10V – 50VOUT , 50 – 140W Cool-Power ZVS Buck-Boost Regulator
Lowest to $41.3948
FT4232HL-REEL real image4451
FT4232HL-REEL
FTDI, Future Technology Devices International Ltd
IC USB HS QUAD UART/SYNC 64-LQFP
Lowest to $13.3053
FT230XS-U real image21586
FT230XS-U
FTDI, Future Technology Devices International Ltd
IC USB SERIAL BASIC UART 16SSOP
Lowest to $5.9399
PE4312C-Z label picture
PE4312C-Z
Peregrine Semiconductor
RF ATTENUATOR 31.5DB 50OHM 20QFN
Lowest to $2.2891
BMI160 real image
BMI160
Bosch Sensortec
IMU ACCEL/GYRO I2C/SPI 14LGA / Accelerometer, Gyroscope, 6 Axis Sensor I2C, SPI Output
Lowest to $3.6828
AR8033-AL1A real image2016
AR8033-AL1A
Atheros
Ethernet TXRX Single Chip 1-Port 3.3V 10Mbps/100Mbps/1000Mbps 48-Pin QFN EP Tray
Lowest to $2.6071
BME280 Real Image
BME280
Bosch Sensortec
SENSOR PRESSURE HUMIDITY TEMP
Lowest to $3.9204
LM5069MM-2/NOPB real image1604
LM5069MM-2/NOPB
Texas Instruments
IC CTRLR HOT SWAP 48V 10-MSOP
Lowest to $4.1579
TPSM63606RDLR Real Image
TPSM63606RDLR
Texas Instruments
DC DC CONVERTER 1-16V / Non-Isolated PoL Module DC DC Converter 1 Output 1 ~ 16V 6A 3V - 36V Input
Lowest to $13.4125

Pricing & Ordering

Quantity Unit Price Ext. Price
5+ $10.8395 $54.1975
12+ $8.8940 $106.7280
18+ $8.6160 $155.0880
24+ $8.3381 $200.1144
32+ $8.0602 $257.9264
42+ $7.2264 $303.5088
* Prices exclude shipping and taxes. Shipping costs are calculated at checkout.
Estimate Shipping
Enter your destination to get a shipping estimate
*
Availability: 1,906 pieces
MOQ: 5 pcs
Order Increment : 1 pcs
*Need More Quantity? *Request a Bulk Quantity Quotation?
Ordering Guidelines

Shipping Information

Shipped from HK warehouse
Expected Shipping Date
Ship today if order in (HKT)
Supplier Lead-Time Call for availability
Estimate shipping fee
Enter your destination to get a shipping estimate
Estimate Shipping Fee

Contact Us

*
*
*

FRAUD PREVENTION REMINDERS

Recently, We have discovered that criminals falsely claimed to be WIN SOURCE to commit fraud. Please note that the only official website & email suffix are win-source.group, win-source.net, winsourcectl.com and winsourceelec.com

More details about fraud prevention
About Us
Customer Service
Solutions
Copyright © 2026 WIN SOURCE. All rights reserved.
For detailed contact information and office addresses in our key locations, including Irvine, Munich, Toronto, Singapore, Seoul, Bangalore, Bologna, Yamanashi, Hong Kong, and Mainland China, please visit our website.
Trust Guard Security Scanned
RFQ RFQ RFQ BOM BOM BOM API API API Sell Sell Sell your Excess