Part A
ESP32-S2FH4
Espressif Systems
- Lifecycle
- Active
- Stock
- 6289 PCS
- Package
- QFN-56
- Series
- RF Transceiver Modules and Modems
Parts at a glance
Part B
ESP32-S3R8
Espressif Systems
- Lifecycle
- Active
- Stock
- 2847 PCS
- Package
- QFN-56
- Series
- RF Transceiver ICs
Need help validating a replacement?
Send your BOM and application constraints for technical and sourcing review.
Full specification comparison
Use manufacturer datasheets as the final authority.
| Specification | ESP32-S2FH4 | ESP32-S3R8 |
|---|---|---|
| Series | ESP32 | ESP32-S3 |
| Part Status | Active | Active |
| RF Family / Standard | WiFi | Bluetooth, WiFi |
| Protocol | 802.11b/g/n | 802.11b/g/n, Bluetooth v5.0 |
| Frequency | 2.4GHz | 2.412GHz ~ 2.484GHz |
| Data Rate | 150Mbps | - |
| Power - Output | 19.5dBm | 21dBm |
| Sensitivity | -97dBm | -98.4dBm |
| Serial Interfaces | ADC, GPIO, I²C, I²S, SPI, PWM, UART, USB | I²C, I²S, SPI, UART, USB |
| Antenna Type | Antenna Not Included | - |
| Utilized IC / Part | ESP32-S2 | - |
| Memory Size | 4MB Flash | 8MB PSRAM |
| Voltage - Supply | 2.8V ~ 3.6V | 3.3V |
| Current - Receiving | 63mA ~ 68mA | - |
| Current - Transmitting | 160mA ~ 310mA | - |
| Mounting Type | Surface Mount | Surface Mount |
| Operating Temperature | -40°C ~ 125°C (TJ) | -40°C ~ 85°C |
| Type | - | TxRx + MCU |
| Data Rate (Max) | - | 150Mbps |
| GPIO | - | 30 |