Equivalent & Substitute Parts for Seeed 317030002 Bluetooth v2.0 RF Transceiver Module

Part Overview

The Seeed Technology Co., Ltd. model 317030002 is a Bluetooth v2.0 transceiver module designed for 2.4GHz RF applications with integrated trace antenna and surface mount packaging. This module integrates the BlueCore4 IC and provides UART and USB serial interfaces for host communication.

The 317030002 is classified as obsolete product status. Locating equivalent substitute components is necessary to support ongoing system maintenance, design updates, and procurement continuity where original inventory becomes unavailable.

Substiute Parts

317030002

Seeed Technology Co., LtdIn Stock: 852317030002 Datasheet

Current PartRFQ

RN4020-V/RM120

Microchip TechnologyIn Stock: 3547RN4020-V/RM120 Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute components for the 317030002 are identified based on the following critical parameters that determine functional compatibility:

Primary Compatibility Criteria:

• RF Family/Standard: Bluetooth protocol support
• Frequency: 2.4GHz operation
• Antenna Type: Integrated trace antenna configuration
• Mounting Type: Surface mount technology
• Serial Interfaces: UART capability for host communication
• Voltage Supply Range: Compatibility with 3.3V supply or wider range including 3.3V

Secondary Compatibility Factors:

• Moisture Sensitivity Level: MSL 1 (Unlimited) for equivalent handling requirements
• Package Type: Module form factor
• Operating Temperature Range: Overlap with -25°C ~ 75°C specification

The Microchip Technology RN4020-V/RM120 qualifies as a substitute based on these parameters. While it implements Bluetooth v4.1 (a newer protocol version), it maintains backward compatibility with Bluetooth v2.0 applications, operates at 2.4GHz with integrated trace antenna, supports UART interface, and functions within a voltage supply range that includes 3.3V operation.

Parameter Comparison

Engineering Selection Recommendations

Product Status Consideration: The Seeed 317030002 carries obsolete product status, indicating discontinued manufacturing and limited availability. The Microchip RN4020-V/RM120 maintains active product status with 3516 units in current inventory, providing supply chain continuity and long-term availability assurance.

Compliance and Certification: The RN4020-V/RM120 is ROHS3 compliant and REACH unaffected, meeting current environmental and regulatory requirements. Both components share MSL 1 (Unlimited) moisture sensitivity classification, indicating equivalent handling and storage requirements.

Operational Compatibility: The RN4020-V/RM120 operates within a wider voltage supply range (1.8V ~ 3.6V) that encompasses the 317030002 requirement of 3.3V, providing design flexibility. The extended operating temperature range (-30°C ~ 85°C) exceeds the original specification (-25°C ~ 75°C), supporting broader application environments.

Interface and Functional Capability: Both modules provide UART serial interface capability. The RN4020-V/RM120 offers expanded interface options (AIO, PIO, SPI) beyond the original USB interface, enabling greater design flexibility without compromising core UART functionality.

Frequently Asked Questions (FAQ)

Q: Can the Microchip RN4020-V/RM120 directly replace the Seeed 317030002 in existing designs?

A: The RN4020-V/RM120 qualifies as a functional substitute based on shared RF family (Bluetooth), frequency (2.4GHz), antenna configuration (integrated trace), mounting type (surface mount), and UART interface support. However, physical pinout, firmware command sets, and protocol-specific implementation details must be verified against your specific application requirements and PCB layout.

Q: What are the key differences between Bluetooth v2.0 and Bluetooth v4.1?

A: Bluetooth v4.1 is a newer protocol version that maintains backward compatibility with Bluetooth v2.0 devices. The RN4020-V/RM120 supports Bluetooth v4.1, which includes enhanced features and efficiency improvements while preserving interoperability with legacy Bluetooth v2.0 systems.

Q: Does the lower data rate of the RN4020-V/RM120 (1Mbps vs. 2.1Mbps) affect compatibility?

A: The data rate difference reflects protocol version differences. Bluetooth v4.1 achieves different performance characteristics than Bluetooth v2.0. Application compatibility depends on whether your system requires the specific 2.1Mbps throughput of the original module or can operate within the 1Mbps capability of the substitute.

Q: Are there packaging differences between these modules?

A: The 317030002 uses 34-SMD Module packaging, while the RN4020-V/RM120 is specified as Module packaging. Both employ surface mount technology. Physical dimensions, pin configuration, and footprint compatibility must be confirmed before PCB integration.

Q: What is the significance of the wider voltage supply range in the RN4020-V/RM120?

A: The RN4020-V/RM120 operates from 1.8V to 3.6V, compared to the fixed 3.3V requirement of the 317030002. This wider range provides design flexibility for systems with variable supply voltages while maintaining compatibility with 3.3V supply designs.

Q: How do the power output specifications compare?

A: The RN4020-V/RM120 provides 7.5dBm output power compared to 4dBm for the 317030002, representing approximately 5.6 times greater RF power output. This enhanced capability may improve link range and signal reliability in RF-limited environments.

Q: What does the improved sensitivity specification (-92.5dBm vs. -84dBm) mean?

A: Lower (more negative) sensitivity values indicate better receiver performance. The RN4020-V/RM120 sensitivity of -92.5dBm represents approximately 8.5dB improvement over the 317030002, enabling reception of weaker RF signals and supporting extended communication range.