Manufacturer Part Number

RTL8213B-CG

Description

Single-channel Ethernet transceiver from Realtek. Supports SGMII interface with robust performance across 10MBit/s, 100MBit/s, 1GBit/s, and 1.25GBit/s. Comes in a compact 40-pin QFN package (5x5 mm). Compatible with multiple Ethernet speed standards including 10BASE-T, 100BASE-TX, 1000BASE-T, 1000BASE-X, and 100BASE-FX. RoHS compliant for environmental safety. Tray packaging, suitable for automated assembly lines.

Specifications

Number of channels: 1

Supported data rates: 10Mbit/s, 100Mbit/s, 1Gbit/s, 1.25Gbit/s

Supported Ethernet standards: 10BASE-T, 100BASE-TX, 1000BASE-T, 1000BASE-X, 100BASE-FX

MAC Interface: SGMII

Operating temperature range: 0°C to +70°C

Supply voltage: 3.3V and 1.1V

Package: QFN-40-EP (5x5 mm)

RoHS compliance

Tray packaging

Device Structure

Integrated circuit featuring a single transceiver channel. Uses QFN-40-EP (5x5 mm) package for space efficiency. Exposed pad design for improved thermal management. Pinout optimized for signal integrity and simplified PCB layout.

Performance Characteristics

High-speed data transmission up to 1.25Gbit/s

Stable performance across temperature range 0°C to +70°C

Low-power operation with dual supply voltages (3.3V, 1.1V) for energy savings

Supports multiple Ethernet protocols for flexible design

Reliable signal transmission thanks to SGMII interface

Enhanced electromagnetic compatibility

Application Environments

Enterprise and consumer Ethernet networking devices

Routers, switches, network interface cards (NICs)

Industrial automation systems

Smart home hubs

IP cameras and surveillance systems

IoT gateways

Embedded Ethernet modules

Products requiring compliance with RoHS and space-saving packaging

Selection Guidelines

Choose RTL8213B-CG for designs needing single-channel, high-speed Ethernet communication

Ideal for spaces with tight PCB area due to small QFN-40-EP package

Works well with SGMII-supported MAC controllers

Ensure devices operate within 0°C to +70°C temperature range

Match voltage requirements to available onboard power supplies (3.3V, 1.1V)

Check compatibility with intended Ethernet standards

Usage Considerations

Proper PCB thermal design recommended due to exposed pad

Ensure 3.3V and 1.1V power supplies are stable for reliable operation

Follow ESD protection guidelines during handling and assembly

Verify SGMII signal routing for minimal noise and optimal performance

Observe RoHS handling for environmentally safe production

Maintain airflow or proper heat-sinking if used on densely populated boards

Potential Equivalent/Replacement Models

Similar or alternative models may include other Realtek Ethernet transceivers, such as RTL8211E-VB, RTL8211F, RTL8213F-CG, or Micrel KSZ9031RNXCA, Marvell 88E1512, Texas Instruments DP83867IRPAP. Actual compatibility may require reviewing detailed datasheets for pinout and functional matches.

If you do not find a direct equivalent for your project, contact Ariat-Tech sales team for expert assistance and the latest alternatives.

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