ESP32-WROOM-32D-N8 Equivalent & Substitute Parts

Part Overview

The ESP32-WROOM-32D-N8 is a Bluetooth and WiFi 802.11b/g/n transceiver module manufactured by Espressif Systems, designed for 2.4GHz ~ 2.5GHz wireless communication applications. This module integrates a trace antenna and operates across industrial temperature ranges (-40°C ~ 85°C). The ESP32-WROOM-32D-N8 carries a "Not For New Designs" product status, indicating it has been superseded in the manufacturer's product line. Identifying equivalent substitute parts is essential for ongoing production support, legacy system maintenance, and ensuring design continuity when original inventory becomes unavailable.

Substiute Parts

ESP32-WROOM-32D-N8

Espressif SystemsIn Stock: 1007ESP32-WROOM-32D-N8 Datasheet

Current PartRFQ

ESP32-WROOM-32E-N8

Espressif SystemsIn Stock: 100823ESP32-WROOM-32E-N8 Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

The ESP32-WROOM-32E-N8 qualifies as a direct substitute for the ESP32-WROOM-32D-N8 based on the following alignment of critical parameters:

Matching Core Specifications:

• Same manufacturer (Espressif Systems) and base product series (ESP32)
• Identical RF family and protocol support (Bluetooth, WiFi 802.11b/g/n, Bluetooth v4.2 +EDR, Class 1, 2 and 3)
• Same frequency range (2.4GHz ~ 2.5GHz)
• Identical data rate (150Mbps)
• Matching sensitivity (-98dBm)
• Same serial interfaces capability (GPIO, I2C, I2S, PWM, SDIO, SPI, UART)
• Identical operating temperature range (-40°C ~ 85°C)
• Same mounting type and package format (Surface Mount, 38-SMD Module)
• Equivalent memory architecture (448kB ROM, 536kB SRAM)
• Compatible voltage supply range (3V ~ 3.6V overlaps with 2.7V ~ 3.6V)
• Same RoHS and REACH compliance status

Substitution Basis: The ESP32-WROOM-32E-N8 represents the active production successor to the ESP32-WROOM-32D-N8, utilizing an updated IC variant (ESP32-D0WD-V3 versus ESP32-D0WD) with enhanced specifications and current product status. The primary differences are antenna implementation (PCB Trace versus Integrated Trace) and power output (20dBm versus 20.5dBm), both within acceptable operational tolerances for equivalent functionality.

Parameter Comparison

Engineering Selection Recommendations

The ESP32-WROOM-32E-N8 is the appropriate substitute for the ESP32-WROOM-32D-N8 based on the following engineering criteria:

Product Status Alignment: The ESP32-WROOM-32D-N8 carries "Not For New Designs" status, indicating end-of-life classification. The ESP32-WROOM-32E-N8 maintains "Active" product status with full manufacturer support and ongoing availability.

Compliance and Certification: Both modules maintain equivalent RoHS and REACH compliance certifications, ensuring regulatory continuity. The ESP32-WROOM-32E-N8 carries current RoHS certification, while the ESP32-WROOM-32D-N8 is ROHS3 compliant.

Functional Equivalence: Core wireless specifications remain identical across both modules, including protocol support, frequency range, data rate, and sensitivity. The updated IC variant (ESP32-D0WD-V3) in the ESP32-WROOM-32E-N8 represents an enhanced iteration with improved manufacturing processes and reliability.

Voltage Supply Consideration: The ESP32-WROOM-32E-N8 specifies a minimum supply voltage of 3V, compared to 2.7V for the ESP32-WROOM-32D-N8. Applications operating below 3V require design verification.

Antenna Implementation: The ESP32-WROOM-32E-N8 utilizes PCB Trace antenna design versus the Integrated Trace design of the ESP32-WROOM-32D-N8. Both antenna types operate within the same frequency range and sensitivity parameters.

Frequently Asked Questions (FAQ)

Q: Can the ESP32-WROOM-32E-N8 directly replace the ESP32-WROOM-32D-N8 in existing designs?

A: Yes, the ESP32-WROOM-32E-N8 is functionally equivalent for applications within the specified operating parameters. Both modules share identical RF protocols, frequency ranges, data rates, and sensitivity specifications. The primary design consideration is the minimum supply voltage requirement of 3V for the ESP32-WROOM-32E-N8 versus 2.7V for the ESP32-WROOM-32D-N8. Applications operating at voltages below 3V require circuit modification.

Q: What is the difference between the antenna types in these modules?

A: The ESP32-WROOM-32D-N8 features an Integrated Trace antenna, while the ESP32-WROOM-32E-N8 uses a PCB Trace antenna. Both antenna implementations operate within the same 2.4GHz ~ 2.5GHz frequency range and achieve identical sensitivity specifications (-98dBm). The PCB Trace design in the ESP32-WROOM-32E-N8 provides flexibility for antenna tuning on the host PCB.

Q: Are there memory differences between these modules?

A: Both modules contain 448kB ROM and 536kB SRAM. The ESP32-WROOM-32E-N8 specifies 8MB Flash memory, while the ESP32-WROOM-32D-N8 does not include Flash memory specification in the provided data. This represents an enhancement in the newer variant.

Q: What is the significance of the "Not For New Designs" status?

A: This designation indicates the ESP32-WROOM-32D-N8 has reached end-of-life in the manufacturer's product roadmap. Espressif Systems recommends the ESP32-WROOM-32E-N8 for new development. Existing production lines using the ESP32-WROOM-32D-N8 should transition to the substitute part to ensure long-term supply continuity.

Q: Are the IC variants (ESP32-D0WD versus ESP32-D0WD-V3) interchangeable?

A: The ESP32-D0WD-V3 represents an updated silicon revision of the ESP32-D0WD. Both variants maintain identical protocol support and electrical specifications. The V3 revision incorporates manufacturing improvements and enhanced reliability characteristics.

Q: What packaging options are available for the ESP32-WROOM-32E-N8?

A: The ESP32-WROOM-32E-N8 is available in Cut Tape (CT) and Digi-Reel packaging formats, providing flexibility for both prototype and production volume requirements.

Q: Do both modules meet the same compliance standards?

A: Both modules are RoHS compliant and REACH unaffected. The ESP32-WROOM-32D-N8 is ROHS3 compliant, while the ESP32-WROOM-32E-N8 carries current RoHS certification. Both modules share identical ECCN and HTSUS classifications.