BASE DEVICE
ESP32-C3FH4X
ESP32-C3 RISC-V wireless SoC with in-package flash, distinct from ESP32-C3 radio modules.
- CPU
- Single 32-bit RISC-V core, up to 160 MHz
- SRAM
- 400 KB, including 16 KB used for cache
- In-package flash
- 4 MB
Espressif / 乐鑫 / Chips & IP
ESP32 is a product-line reference within Espressif / 乐鑫. Use the manufacturer source to confirm the exact device or deliverable and its current support status.
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FROM FAMILY TO DEVICE
Base-device names are distinct from full ordering numbers. Each detail page identifies the product type, parameter scope and official source.
BASE DEVICE
ESP32-C3 RISC-V wireless SoC with in-package flash, distinct from ESP32-C3 radio modules.
BASE DEVICE
Dual-core Xtensa wireless microcontroller with Wi-Fi and Bluetooth LE.
2 device references
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WITHIN THIS PRODUCT LINE
ESP32-S Series is a named Espressif SoC branch.
0 device refs · 0 ordering codesExplore ESP32-S Series →ESP32-C Series is a named Espressif SoC branch.
0 device refs · 0 ordering codesExplore ESP32-C Series →ESP32-H Series is a named Espressif SoC branch.
0 device refs · 0 ordering codesExplore ESP32-H Series →ESP32-P Series is a named Espressif SoC branch.
0 device refs · 0 ordering codesExplore ESP32-P Series →ESP32-E Series is a named Espressif SoC branch.
0 device refs · 0 ordering codesExplore ESP32-E Series →SELECTION CONTEXT
ESP32 is a product-line reference within Espressif / 乐鑫. Use the manufacturer source to confirm the exact device or deliverable and its current support status.
Use the requirements below to decide which specification limits your design. A family name alone is not a purchasing specification.
Choose the complete device and ordering code before checking package pinout, power, electrical limits and operating grade. Keep family maxima separate from a selected device or package.
Open the manufacturer reference ↗ENGINEERING DECISIONS
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PCBA project preparation →EVIDENCE & DEVELOPMENT
Start with the device table, then check electrical limits, ordering information and the applicable tool release.
Manufacturer or identified public portfolio reference.
These broader manufacturer resources do not establish support or compatibility for every device on this page.
PRACTICAL QUESTIONS
Start with the documented product scope: ESP32 is a product-line reference within Espressif / 乐鑫. Use the manufacturer source to confirm the exact device or deliverable and its current support status. Then compare the device-specific facts below with your required resources and interfaces. Open each model for its evidence and ordering constraints.
A base-device identifier identifies the silicon or model, but may omit package, speed, temperature, qualification and packing options. Use the manufacturer ordering table to establish the complete code. Reference examples do not establish stock or an approved replacement.
A shared family or manufacturer does not establish pin compatibility. Compare pinout, supply and I/O-bank voltages, configuration, timing, tool support and thermal limits before changing a board.
Provide the exact part or board revision, quantity, delivery requirement, operating environment and traceability needs. For assembly, identify BOM readiness, PCB stack-up, programming access and the inspection or functional-test scope.
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Source review: 2026-09-28. This family guide does not assert stock or compatibility between devices.
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