ESP32-C3FH4

Manufacturer: ESPRESSIF

Product Number: ESP32

Description: The ESP32-C3FH4 integrates a 32-bit RISC-V core (160 MHz), 4 MB Flash, and 400 KB SRAM, supporting Wi-Fi 4 (IEEE 802.11b/g/n) and Bluetooth 5.0 (LE/BR/EDR).

Datasheet: ESP32-C3FH4.pdf

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Product Overview

The ESP32-C3FH4 integrates a 32-bit RISC-V core (160 MHz), 4 MB Flash, and 400 KB SRAM, supporting Wi-Fi 4 (IEEE 802.11b/g/n) and Bluetooth 5.0 (LE/BR/EDR). With a built-in PCB antenna and hardware security engine, it is ideal for smart home, industrial sensors, and consumer electronics, offering ultra-low power and high cost-efficiency.

Key Features

High-Performance Wireless Connectivity

Dual-Mode Communication: 2.4 GHz Wi-Fi (150 Mbps) and Bluetooth 5.0 (LE/BR/EDR).
Long Range: Up to +20 dBm output power and -98 dBm sensitivity (Wi-Fi).

Ultra-Low Power Design

Deep Sleep Mode current as low as 5 μA, with dynamic power scaling for extended battery life.
Lightweight protocol stack optimized for resource-constrained devices.

High Integration

Built-in 4 MB Flash, hardware crypto accelerator (AES/SHA/RSA), and TRNG.
Integrated PCB antenna reduces external components and design complexity.

Industrial Robustness

Operating temperature -40°C to +85°C, certified for FCC/CE/SRRC.
Flash encryption and Secure Boot ensure firmware security.

Development Ecosystem

Supports ESP-IDF, Arduino, and MicroPython, with ESP32-C3-DevKitM-1 development board.
Pre-integrated with AWS IoT/Aliyun for rapid cloud connectivity.

Technical Specifications

Parameter	Specification
Core	32-bit RISC-V Single-Core, 160 MHz
Memory	4 MB Flash, 400 KB SRAM
Wireless Protocol	Wi-Fi 4 (802.11b/g/n), Bluetooth 5.0
RF Performance	Output: +20 dBm, Sensitivity: -98 dBm
Power Consumption	Deep Sleep: 5 μA, Active Mode: 50 mA
Security	AES-256/SHA-256/RSA, Secure Boot, Flash Encryption
Interfaces	14×GPIO, UART/SPI/I²C, 12-bit ADC (6 ch)
Package	QFN 32-pin (5 mm × 5 mm)
Temperature Range	-40°C to +85°C

Typical Applications

Smart Plugs/Lighting: Dual-mode Wi-Fi & Bluetooth connectivity enables remote control via mobile apps, with ultra-low power for long-term operation.
Wireless Sensor Nodes: Stable data transmission in harsh EMI environments, with industrial temperature tolerance.
Wearables: Extended battery life with Bluetooth 5.0 high-speed data transfer and OTA updates.
Remote Controls/Toys: Compact design with integrated PCB antenna for cost-sensitive applications.

Why Choose ESP32-C3FH4?

Flexible Development: Multi-framework support (ESP-IDF/Arduino) accelerates development.
Robust Security: Hardware encryption and Secure Boot meet IoT security standards.
Global Certification: Pre-certified for FCC/CE, speeding time-to-market.
Long Lifecycle: 10+ years stable supply commitment from Espressif.

SUNTOP COMPANY INTRODUCTION

Founded in 2000, Suntop is one of the leading global distributors of electronic
components, dedica ted to providing comprehensive procurement and supply chain services to the global electronics manufacturing industry. Our services include distribution, spot trading, PPV cost-saving projects, and inventory management. We not only offer high-quality products but also strive to assist our clients in achieving optimal solutions with minimal time and cost.
As a trusted partner for numerous OEMs, ODMs, CEMs, and EMS companies worldwide, our professional team manages millions of component records from thousands of trading partners across dozens of countries daily through our company database. We maintain close business relationships with major factories and distributors in North America, Europe, and Asia to ensure that our clients stay ahead in a highly competitive market.

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2. Are development tools free? >

Yes. ESP-IDF and Arduino libraries are open-source, supporting Windows/Linux/macOS.

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2. Is it suitable for battery-powered devices? >

Yes. Deep sleep mode consumes only 5 μA, ideal for coin-cell batteries.

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3. Lead time and sample requests? >

Standard lead time 6-8 weeks.
SUNTOP’s mode of transportation

UPS

One of the largest package delivery companies globally, with a robust ground network. Offers specialized services like supply chain management and healthcare logistics, covering 200+ countries/regions.

DHL

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TNT

Formerly known for its European road network and time-definite delivery services. Now integrated into FedEx’s operations to enhance its European market presence.

SF

China’s largest integrated logistics provider, known for high-speed delivery and a direct-operated business model. Covers domestic and key international markets, offering services like cold chain logistics, supply chain solutions, and air cargo (with its own freighter fleet).