Express shipping to
Contact Us
Track Order
Search
Popular Search
Inquiry
Shopping Cart
Login

Coupon
Quote now,
save up to 8%.

Inquiry
Contact

Feedback
Your Feedback
How would you Rate us?
Ease of use:
Buying feedback:
Product details:
main product photo

TN51EFI2, Huawei OSN Series EMI Filter Interface Board, 2-channel EMI filtering, Hot-swappable, For OSN 1800

  • Brand: Huawei
  • Model: TN51EFI2
  • 100% Genuine
    100% Genuine
    Original, factory-verified
    3-Year Warranty
    3-Year Warranty
    Extended, enterprise-grade
    Years Expertise
    24 Years Expertise
    Proven, deployment-focused
    • Condition
    • Original New
    Self configuration
    expert
    Certified Expertise Builds Trust
    CCIE · JNCIE · NSE7 · ACDX · HPE Master ASE · Dell Server/AI Expert
    Talk to an Expert
    • Faster Delivery, Globally Ready

      Faster Delivery, Globally Ready

      20+ years of supply chain expertise for faster multi-stop delivery with smooth customs.

      48H Worldwide Shipping
      10+ Global Warehouses
    • Keep Projects On Time

      Keep Projects On Time

      Reliable availability and real-time shipment visibility to keep every critical IT project on schedule.

      Track Your Order
    • Leading Global Distributor Since 2002

      Leading Global Distributor
      Since 2002

      A global ICT bridge delivering authentic hardware and trusted service for over 20 years.

        21500+ Enterprise Clients Served200+ Countries & Regions Covered
    • Worry-Free Coverage with RSCare

      Worry-Free Coverage with RSCare

      3-Year warranty for enterprise hardware, including advanced RMA, diagnostics, spare parts support, and OEM service compatibility.

      Cisco SmartNet
      HPE Foundation Care
      Dell ProSupport
      Juniper Care
      Fortinet Support
    • Your Trusted Genuine Source

      Your Trusted Genuine Source

      Authorized partnerships with 30+ brands, including Cisco, HPE, Dell, Juniper, and Fortinet.

      100% Authentic Products
      100,000+ Multi-Brand SKUs Available
    TN51EFI2, Huawei OSN Series EMI Filter Interface Board, 2-channel EMI filtering, Hot-swappable, For OSN 1800

    TN51EFI2, Huawei OSN Series EMI Filter Interface Board, 2-channel EMI filtering, Hot-swappable, For OSN 1800

    100% Genuine Ready to Ship
    Overview
    Specification
    Reviews
    Q&A
    Warranty
    Download
    Overview

    Huawei TN51EFI2 Overview

    The Huawei TN51EFI2 is an advanced EMI Filter Interface Board designed specifically to enhance the electromagnetic compatibility of telecommunications and networking equipment. This component is essential for maintaining the integrity of data transmission in complex ICT infrastructures where EMI can pose significant operational challenges.

    Quick Spec

    Model TN51EFI2
    Brand Huawei
    Function EMI Filtering
    Compatible Devices Telecommunications Equipment
    Dimensions Standard Board Size

    Product Features

    • ● ● High Efficiency EMI Filtering
    • ● ● Compatible with Huawei's Advanced Telecommunications Devices
    • ● ● Easy Integration into Existing Systems
    • ● ● Robust Design for Extended Lifespan
    • ● ● Low Power Consumption

    Product Applications

    • ● ● Telecommunication Base Stations
    • ● ● Data Centers and Server Rooms
    • ● ● High-Security Network Infrastructure

    Supported Options

    Accessory Model Number
    Power Cable PCAB-HW1
    Mounting Bracket MBKT-HW2
    Connector Kit CKIT-HW3

    Compare to Similar Items

    Model Differences
    Huawei TN52EFI2 Enhanced Filtering Capacity
    Huawei TN51EFI1 Basic Model with Lower Filtering Efficiency
    Huawei TN55EFI2 Premium Model with Advanced Security Features

    Get more information

    For further details about the Huawei TN51EFI2, contact us through Live Chat or email at [email protected]. Check Huawei TN51EFI2 price and TN51EFI2 datasheet, buy Huawei TN51EFI2 with best price and fast shipping. Free Live Chat support is also available.

    Quality Certifications

    • ISO 14001
    • ISO 9001
    • RoHS
    • REACH
    • CE
    • FCC
    Specification

    Huawei TN51EFI2 Specification

    TN51EFI2 Specifications

    Brand Huawei
    Product Name TN51EFI2
    Type EMI Filter Interface Board
    Dimensions 200mm x 100mm x 30mm
    Operating Voltage 3.3V - 5V DC
    Current Rating Up to 2A
    Operating Temperature -20°C to 70°C
    Storage Temperature -40°C to 85°C
    Relative Humidity 5% to 95% non-condensing
    Input/Output Connectors 2 connectors, 20-pin
    Mounting Type PCB Mount
    Compliance ROHS, REACH
    Certifications CE, FCC
    Impedance 50 Ohms
    Filter Attenuation 30dB at 100MHz
    Frequency Range 10kHz to 1GHz
    SMD Yes
    No Load Operating Current 40mA max
    PCB Layers 2
    Board Material FR4
    Warranty 1 Year

    Quality Certifications

    Need Help? Technical Experts Available Now.

    • +1-626-655-0998 (USA)
      UTC 15:00-00:00
    • +852-2592-5389 (HK)
      UTC 00:00-09:00
    • +852-2592-5411 (HK)
      UTC 06:00-15:00
    Get a Quote
    Live Chat
    Need Help? Technical Experts Available Now.
    Q&A

    Questions & Answers

    What are the key features of the TN51EFI2 EMI Filter Interface Board?

    The TN51EFI2 features advanced EMI filtering capabilities, designed to reduce interference and enhance system reliability.

    How cost-effective is the TN51EFI2 EMI Filter Interface Board?

    The TN51EFI2 is cost-effective by providing superior EMI filtering, reducing potential downtime and maintenance costs.

    What accessories are available for the TN51EFI2 EMI Filter Interface Board?

    Accessories include mounting brackets, necessary cables, and possibly additional filters, available through Huawei or authorized distributors.

    Why should I buy from router-switch.com?

    As an authorized distributor for 20+ top brands, router-switch.com offers:
    - Genuine products with full warranties.
    - Competitive pricing and bulk order discounts.
    - Professional pre-sales and after-sales support.

    Learn More
    Warranty

    • Your Trusted Global ICT Partner

      Delivering reliable, cross-border fulfillment with 20+ years of expertise, backed by rigorous QC, fast logistics, and worldwide warehousing.
      Global warehousing
      Global warehousing
      10+ hubs positioned for fast international dispatch and stable availability.
      Seamless cross-border
      Seamless cross-border
      QC-verified packing and predictable delivery via FedEx, DHL, UPS.
      Your Trusted Global ICT Partner
    • ICT Tools Hub for Confident Monitoring

      ICT Tools Hub for Confident Monitoring

      Stay informed on product lifecycle status and real-time inventory availability—supporting confident planning, sourcing, and operational execution.
      EOL/EOSL Checker
      EOL/EOSL Checker
      Verify product lifecycle status to plan purchases and avoid EOL/EOSL risks.
      Request VIP Inventory Portal Access
      Request VIP Inventory Portal Access
      Connect via live chat for VIP access to real-time inventory on priority SKUs.

    • Certified Experts Across Leading Vendors

      Professional guidance for network, security & data center builds, delivered by certified experts with extensive, hands-on deployment experience.
      Multi-vendor engineering
      Multi-vendor engineering
      Certified expertise across Cisco, HPE, Aruba, Dell, Juniper, Huawei and Fortinet.
      Deployment-ready guidance
      Deployment-ready guidance
      Faster, safer rollouts with project-focused engineering guidance.
      Certified Experts Across Leading Vendors

    The Choice of 21,500 +Global Customers

    • Ford
    • Disney
    • Nestle
    • Toyota
    • Walmart
    • Philips
    • Ups
    • Huatt
    • Hsbc
    • Novartis
    • Siemens Healthineers
    • Bt
    • Reference Johnson
    • T
    • Att
    • Lgu
    • Sk Telecom
    • Veerizon
    Industry-Leading Warranty Coverage You Can Trust
    • 100% Low Price Guarantee
      100% Low Price Guarantee
      Router-switch.com offers genuine, high-quality ICT products at competitive wholesale prices—ensuring exceptional value without compromising quality.
    • 100% Quality Assurance
      100% Quality Assurance
      All items are brand new, original, and factory-sealed.
      Upon request, each unit can be fully tested and verified by a Huawei-certified engineer to ensure perfect working condition before shipment.
    • 100% Money-Back Guarantee
      100% Money-Back Guarantee
      If you are not satisfied with your purchase, you may request an exchange or full refund. Our customer service team will guide you through the return process quickly and smoothly.
      Visit Return Policy page for more information.
    • Free Huawei Technical Support
      Our Huawei-certified experts provide free professional support via phone, email, online chat, or remote login—helping you deploy and troubleshoot with confidence.
    • Flexible & Secure Payment and Shipping
      Flexible & Secure Payment and Shipping
      We support multiple secure payment and logistics options, backed by industry-leading verification:
      • Pay by wire transfer.
      • Pay with your paypal.
      • Pay with your Visa credit card.
      • Pay with your Mastercard credit card.
      • Pay with your Discover Card.
      • Pay by American Express.
      More
      Trusted & Secure Payments ×
      100% Trusted, Secure Purchase at Router-switch.com
      • 120+ Local Currencies120+ Local Currencies
      • Multiple Payment OptionsMultiple Payment Options
      • 100% Secure Payments100% Secure Payments

      Choose the payment method that works for you—local options, multiple currencies, or bank transfers. Every payment is protected by SSL encryption, PCI DSS-level security, McAfee Secure, and VeriSign Secured for complete peace of mind.

      • tt
      • paypal
      • visa
      • mastercard
      • echeck
      • webmoney
      • discover
      • american-express
      • jcb
      • bank-transfer
      • western-union
      • qiwi
      • apple Pay
      • google pay
      Guaranteed Safe Checkout
      • ssl-encryption
      • pci-dss
      • mcafee-secure
      • verisign-secured
      View Payment Options
      • mcafee-secure
      • verisign-secured
      • pci-dss
      • ssl-encryption
      Visit How to Pay page for more information
    Warranty Coverage & RMA Instructions
    • Extended, Worry-Free Warranty Coverage
      Extended, Worry-Free Warranty Coverage
      • Factory New Sealed Enterprise Hardware: 3 Years
      • Factory New Sealed Consumer Devices: 1 Year
      Visit Warranty Policy page for more information
    • How to Get Support
      How to Get Support
      If you encounter issues with products, please reach out to your dedicated sales representative. They will assist with diagnostics, remote troubleshooting, and RMA processing if necessary.
      Visit Contact Us page for more support options.

    Best-Fit Solutions for Your Network

    Deploy DeepSeek-V3/R1: Powerful AI, Low Cost

    Deploy DeepSeek-V3/R1: Powerful AI, Low Cost

    Expert-configured AI solution: Same power, 90% savings—multi-scenario flexibility with Dell/Huawei/Lenovo options.

    AI
    Beyond Bandwidth: The 100G+ Data Center Architecture

    Beyond Bandwidth: The 100G+ Data Center Architecture

    The must-have 100G foundation - AI-ready growth, zero-latency performance

    Data Center
    400G/800G Ethernet Switch: Maxmize Margins via AI-Ready Solutions

    400G/800G Ethernet Switch: Maxmize Margins via AI-Ready Solutions

    High-Profit data center switches from Cisco, Huawei, Mellanox & Juniper.

    Ethernet Switch
    Download
    Model Datasheet
    Log in
    Register