BOM
  • BOM
  • Email
  • LinkedIn
  • Teams
  • WhatsApp

RFQ List

0 Products

Use the + button to add products to your RFQ list.

SUBMIT NOW
  • Home
  • RFQ/EI
  • Products
  • Categories
  • Manufacturers
  • Tools
  • Blog
  • About Us
  • Contact Us

Company

  • About Us
  • Five Strengths
  • Quality Control
  • Certifications
  • Contact Us

Services

  • RFQ
  • EI
  • BOM
  • Solutions
  • Tools

Resources

  • Categories
  • Products
  • Manufacturers
  • Blog
  • News and Events

Legal

  • Privacy Policies
  • Terms of Sale
  • Cookies, Ads & Emails
  • Payment Policy
  • Shipping & Delivery
  • Refund & Return Policy

Contact

[email protected]

Get the latest tech insights

© 2026 YG GROUP (YUGUANG INTERNATIONAL(HK)CO.,LTD). All rights reserved.

  1. Home
  2. /Products
  3. /Integrated Circuits - ICs
  4. /Communication & Networking ICs
  5. /RTL8391M-CG
RTL8391M-CG thumbnail 1
Realtek

RTL8391M-CG

Category
Communication & Networking ICs
Manufacturer
RealtekDetails
Datasheet
—
Description
LAYER 2 + MANAGED 28 10/100/1000M-PORT SWITCH CONTROLLER
Similar Products
—
Quality Control
Authentic & Traceable
Shipping (In-stock)
1-3 business days
Quote Response
Within 24 Hours
Stock Status6300
QuantityRTL8391M-CG
Country

Get Tiered Pricing (Submit RFQ)

Product Details
Key Features
Applications

The RTL8391M is a 28-port 10/100/1000M Managed Ethernet MAC Switch Controller. It supports 7 pairs of 5Gbps QSGMII to connect to external 28 ports Gigabit Ethernet PHY transceivers. The mode is 24 10/100/1000BASE-T + 4 combo 10/100/1000BASE-T/SFP.

The RTL8391M is embedded with a up to 700MHz MIPS-34Kc CPU. It supports a 32-bit data bus, 32Mbyte SPI flash (3-byte mode) or 64MB SPI flash (4-byte mode), and 256M-Byte DDR3 SDRAMs (maximum). It is also embedded a 96KB SRAM can be used for time-sensitive application.

Certified Quality & Compliance
Purchase & Inquiry
Secure Packaging
Shipping & Availability
Payment

YG GROUP (YUGUANG INTERNATIONAL(HK)CO.,LTD) supports reliable sourcing through quality controls and compliance documentation. Please confirm product requirements, applicable certifications and supporting documents before ordering.

  • 1. Certification Scope: Quality certifications apply only to the entities, sites and activities listed in valid certificates. Management system certification does not certify each individual product.
  • 2. Product Authenticity: Products must match the agreed manufacturer, part number and condition. Supplier screening and authenticity checks help reduce counterfeit risk.
  • 3. Inspection & Testing: The inspection scope follows product risks and agreed requirements. Additional testing, laboratory arrangements, costs and lead times require written confirmation.
  • 4. Traceability & Documentation: Request conformity certificates, traceability records or test reports before ordering. Document availability, issuer and coverage must be confirmed for the offered goods.
  • 5. Environmental Compliance: RoHS and REACH information is based on applicable manufacturer documentation. Confirm the exact part, declaration date and relevant exemptions before ordering.
  • 6. Handling & Protection: Handling, storage and packaging follow applicable product requirements, including ESD and moisture protection where required. Special handling requirements must be agreed before ordering.
ERAI

Loading related products…

Product FAQ
Purchasing FAQ

What type of component is RTL8391M-CG, and what package does it use?

RTL8391M-CG is an authentic electronic component manufactured by Realtek, categorized under Communication & Networking ICs. It is supplied in the standard manufacturer-specified package footprint, providing industry-standard mechanical dimensions and terminal configurations for board-level assembly. Full pinout configurations, physical footprint drawings, and rated operating tolerances are documented in the official RTL8391M-CG datasheet above.

Why is pricing for RTL8391M-CG available via RFQ rather than a fixed checkout price?

Electronic component spot-market pricing for RTL8391M-CG fluctuates based on real-time global availability, production date codes, minimum order quantities (MOQ), and packaging formats (e.g., Reel, Tube, Tray). Using an RFQ ensures you receive accurate, real-time volume pricing tied to verified, traceable inventory rather than stale catalog estimates.

How quickly can RTL8391M-CG be shipped once quoted?

Lead times for RTL8391M-CG depend on whether stock is dispatched from our central hub or regional franchise partners. Ready-to-ship inventory typically leaves the warehouse within 1–3 business days following quality inspection, while factory-direct or back-ordered allocations are confirmed with an estimated ship date upon RFQ reply.

Loading articles…

ISO 9001
ESD Control
Realtek

Loading articles…

New Blog

The Move to Denser MLCCs, Seen Through GRM158C80G226ME01D

Explore MLCC miniaturization through Murata GRM158C80G226ME01D, linking its 22 µF, 4 V, 0402-inch specification to effective capacitance, consumer-use limits and real PCB area.

Read more →

What Winbond’s Proposed NOR Flash Acquisition Means for W25Q64JVSSIQ Buyers

Assess what the proposed Winbond–Infineon NOR Flash transaction means for W25Q64JVSSIQ sourcing, with dated deal status, exact-code checks and a practical alternative-qualification framework.

Read more →

Driving ALDP1F06 in an Appliance Controller: Coil Suppression and Release Time

Design an ALDP1F06 driver by checking its 6 V coil, diode-qualified release-time limit, flyback clamp stress, hot restart and the actual contact event required by the appliance.

Read more →

Using TAS5431QPWPRQ1 to Diagnose an eCall Speaker Connection

Use TAS5431QPWPRQ1 to assess an eCall speaker connection by interpreting load-test timing, I²C fault bits, open-load reporting and recovery during backup-supply transitions.

Read more →
  • All Categories
  • Discrete Semiconductors
  • Embedded Processors & Controllers
  • Integrated Circuits - ICs
  • Memory ICs
  • Wireless & RF Semiconductors
  • Circuit Protection
  • Connectors
  • Electromechanical
  • Embedded Solutions
  • Optoelectronics
  • Passive Components
  • Power
  • Sensors
  • Wire & Cable
  • Tools & Supplies
  • Uncategorized
  • All Categories
  • Active Filter
  • Amplifier ICs
  • Audio ICs
  • Chipsets
  • Clock & Timer ICs
  • Communication & Networking ICs
  • Counter ICs
  • Data Converter ICs
  • Digital Potentiometer ICs
  • Driver ICs
  • Equalizers
  • Interface ICs
  • Logic ICs
  • Multimedia ICs
  • Optocouplers / Photocouplers
  • Power Management ICs
  • Programmable Logic ICs
  • Security ICs / Authentication ICs
  • Switch ICs
10 similar parts

Loading related products…

Similar products
Hot products
PicturePart NumberManufacturerPDF / RoHSStockAction
RTL8105E-VL-CG
RTL8105E-VL-CG
Realtek
--
8,050
RFQ
RTL8305SB
RTL8305SB
Realtek
PDF-
4,270
RFQ
RTL8304MB-CG
RTL8304MB-CG
Realtek
--
6,500
RFQ
RTL8139DL-LF
RTL8139DL-LF
Realtek
PDF
6,080
RFQ
RTL8211FI-VD-CG
RTL8211FI-VD-CG
Realtek
--
3,240
RFQ
RTL8221B(I)-VM-CG
RTL8221B(I)-VM-CG
Realtek
--
2,280
RFQ
RTL8381M-VB-CG
RTL8381M-VB-CG
Realtek
--
4,510
RFQ
RTL8392M-VC-CG
RTL8392M-VC-CG
Realtek
--
6,080
RFQ
RTL8211F-CG
RTL8211F-CG
HOT
Realtek
PDF
6,600
RFQ
RTL8382M-VB-CG
RTL8382M-VB-CG
Realtek
--
6,960
RFQ