Silicon Labs ARM Cortex M33 System-On-Chip 32-Pin QFN

Bulk discount available

Subtotal 10 units (supplied in a tray)*

Kr.541 85 

(exc. VAT)

Kr.677 31 

(inc. VAT)

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  • Plus 114 unit(s) shipping from 02. februar 2026
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Units
Per unit
10 - 18Kr. 54,185
20 - 48Kr. 52,74
50 - 98Kr. 51,40
100 +Kr. 50,065

*price indicative

Packaging Options:
RS Stock No.:
196-3318P
Mfr. Part No.:
EFR32MG21A020F1024IM32-B
Brand:
Silicon Labs
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Brand

Silicon Labs

Processing Unit

Microcontroller

Product Type

System-On-Chip

Technology

ARM Cortex M33

Mount Type

Surface

Package Type

QFN

Pin Count

32

Clock Frequency

38.4MHz

Program Memory Size

1024kB

Program Memory Type

FLASH

Minimum Supply Voltage

1.71V

Maximum Supply Voltage

3.8V

Number of I/Os

20

Data RAM Size

96kB

Minimum Operating Temperature

-40°C

Data RAM Type

RAM

Maximum Operating Temperature

125°C

Height

0.85mm

Width

4.1 mm

Standards/Approvals

No

Series

Mighty Gecko

Length

4.1mm

Automotive Standard

No

EFR32MG21A020F1024IM32 EFR32MG21 Series 2 wireless SoCs include a 80 MHz ARM Cortex-M33 core, providing plenty of processing capability while a dedicated security core provides faster encryption, secure boot loading and debug access control. The device includes 1024 Flash, 96 RAM and is available in a QFN32 package. With up to + 20 dBm maximum power output and excellent receive sensitivity of -104 (250 kbps O-QPSK DSSS) dBm, the EFR32MG21A020F1024IM32 provides a robust RF link for reliable communications for Zigbee, Thread and multiprotocol applications and enables greater range and reliable RF communications. EFR32MG21A020F1024IM32 uses the same tools as EFR32MG Series 1, providing easy migration and fast time-to-market with development kits, SDKs, mobile apps and our patented network analyzer.

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