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LINK-PP INT'L TECHNOLOGY CO., LIMITED

  • China,Huizhou ,Guangdong
  • Verified Supplier

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China 749010012A 10/100BASE-TX Ethernet Transformer 1500Vrms Isolation
China 749010012A 10/100BASE-TX Ethernet Transformer 1500Vrms Isolation

  1. China 749010012A 10/100BASE-TX Ethernet Transformer 1500Vrms Isolation
  2. China 749010012A 10/100BASE-TX Ethernet Transformer 1500Vrms Isolation
  3. China 749010012A 10/100BASE-TX Ethernet Transformer 1500Vrms Isolation

749010012A 10/100BASE-TX Ethernet Transformer 1500Vrms Isolation

  1. MOQ: 400/2000/10K/25Kpcs
  2. Price: $0.28-$0.8 can be negotiable
  3. Get Latest Price
Payment Terms TT,NET30/60/90 Days
Supply Ability 3KK/Month
Delivery Time Ships within 3 days
Packaging Details Tape & Reel (TR)
Number of Ports Single
Transformer Inductance 350µH
Pins 16
Mount SMT
Dimension Length 12.80mm X Width 9.30mm X Height 5.10mm
Made in China LP1102NL
Data rate 10/100BASE-TX
Part Number 749010012A
PoE non-PoE
Operating Temperature 0 °C up to +70 °C
Insulation Test Voltage 1500V RMS
Brand Name LINK-PP
Model Number 749010012A
Certification UL,ROHS,REACH,ISO
Place of Origin China

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  1. Product Details
  2. Company Details

Product Specification

Payment Terms TT,NET30/60/90 Days Supply Ability 3KK/Month
Delivery Time Ships within 3 days Packaging Details Tape & Reel (TR)
Number of Ports Single Transformer Inductance 350µH
Pins 16 Mount SMT
Dimension Length 12.80mm X Width 9.30mm X Height 5.10mm Made in China LP1102NL
Data rate 10/100BASE-TX Part Number 749010012A
PoE non-PoE Operating Temperature 0 °C up to +70 °C
Insulation Test Voltage 1500V RMS Brand Name LINK-PP
Model Number 749010012A Certification UL,ROHS,REACH,ISO
Place of Origin China
High Light 749010012A ,10/100BASE-TX Discrete Magnetic Transformers ,749010012 Ethernet Magnetic Transformers

 

Ethernet Magnetic Transformers Description:

 

10/100BASE-T Single-Port SMT LAN Magnetics Module – 350µH, 1:1 Ratio, 1500Vrms Isolation

 

The 11FB-05NL is a compact 10/100BASE-T Ethernet isolation transformer designed for Fast Ethernet PHY interfaces, offering excellent signal integrity, EMI suppression, and electrical isolation.

 

With 350µH OCL, 1:1 turns ratio, and 1500Vrms isolation, this SMD-16P LAN magnetics module provides a reliable and space-efficient solution for Ethernet switches, routers, IP cameras, and embedded networking systems.

 

Key Features & Advantages

  • Fully compliant with IEEE 802.3u (10/100BASE-TX)
  • High OCL: 350µH min @100kHz, 8mA bias
  • 1:1 turns ratio optimized for standard Ethernet PHY coupling
  • 1500Vrms isolation voltage for enhanced safety and EMC performance
  • Compact SMD-16P package for high-density PCB layouts
  • Auto-MDIX capable
  • Excellent insertion loss, return loss, and crosstalk performance
  • RoHS compliant, lead-free process
  • Operating temperature: 0°C to +70°C (commercial grade)

749010012A SMT LAN transformer General Specifications:

 

Parameter Specification
Part Number 11FB-05NL
Transformer Type LAN Isolation Transformer
Ethernet Standard 10/100BASE-TX
Data Rate 10 / 100 Mbps
Number of Ports Single Port
Turns Ratio 1 : 1
OCL (Inductance) 350 µH min
Isolation Voltage 1500 Vrms, 1 min
Package Type SMD-16P
Mounting Type Surface Mount (SMT)
Dimensions (L × W × H) 12.70 × 8.80 × 6.35 mm
Operating Temperature 0°C to +70°C
Auto MDIX Yes
RoHS Compliance Yes
Moisture Sensitivity Level MSL 1
Packaging Tape & Reel

749010012A Datasheet:

 

LP1102NL.pdf

 

749010012A Datasheet

 

Recommended PCB Layout Guidelines

  • Place the transformer close to the Ethernet PHY
  • Use 100Ω differential impedance controlled routing
  • Keep TX/RX differential traces short and symmetrical
  • Implement solid reference ground planes
  • Ensure proper chassis grounding for EMI shielding

Engineering Design Benefits of 10/100Base-T Transformers: 

 

✔ Simplified Ethernet Interface Design

Integrated magnetics eliminate discrete transformer design, reducing BOM count, PCB routing complexity, and development risk.

 

✔ Improved Signal Integrity & EMC Compliance

High OCL and optimized winding structure ensure excellent impedance matching, reduced reflections, and superior EMI suppression.

 

✔ Enhanced Electrical Safety

1500Vrms isolation protects sensitive PHY circuits, supporting regulatory compliance and long-term system reliability.

 

✔ Optimized for High-Volume SMT Assembly

SMD-16P packaging supports automated pick-and-place assembly, improving manufacturing yield and cost efficiency.

 

Electrical Characteristics (Typical @25°C) :

 

Parameter Condition Value
Turns Ratio Primary : Secondary 1 : 1
OCL 100kHz, 100mV, 8mA bias ≥ 350 µH
Insertion Loss 1–100 MHz ≤ -1.0 dB
Return Loss 1–30 MHz ≥ -18 dB
Crosstalk 1–100 MHz ≥ -35 dB
Common Mode Rejection (CMR) 1–100 MHz ≥ -35 dB
Isolation Voltage 60 seconds 1500 Vrms
Operating Temperature — 0°C ~ +70°C

Applications of Ethernet Transformers:

 

  • Ethernet Switches & Routers
  • IP Cameras
  • Network Interface Cards (NIC)
  • Industrial Ethernet Devices
  • Embedded IoT Gateways
  • Smart Home Networking Equipment
  • Access Points (AP)
  • Communication Control Boards

NOTES:

 

1. Designed to support applications, such as SOHO(ADSL modems), LAN-on-Motherboard(LOM), hub and Switches.

2. Meets IEEE 802.3 Specification.

3. Maximum reflow temperature is 250℃ Max, 5 Sec.

4. UL Certification: file number: E484635.

Company Details

Bronze Gleitlager

,

Bronze Sleeve Bushings

 and 

Graphite Plugged Bushings

 from Quality China Factory
  • Business Type:

    Manufacturer,Exporter

  • Year Established:

    1997

  • Total Annual:

    $30-$50 million

  • Employee Number:

    300~600

  • Ecer Certification:

    Verified Supplier

LINK-PP International Technology Co., Limited, founded in 1997, is a vertically integrated manufacturer specializing in Ethernet magnetic components and high-speed connectivity solutions up to 10G. With over 26 years of experience, our core products include RJ45 modular jacks, MagJacks, discrete m... LINK-PP International Technology Co., Limited, founded in 1997, is a vertically integrated manufacturer specializing in Ethernet magnetic components and high-speed connectivity solutions up to 10G. With over 26 years of experience, our core products include RJ45 modular jacks, MagJacks, discrete m...

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  • Reach Us
  • LINK-PP INT'L TECHNOLOGY CO., LIMITED
  • NO54 South Jinhu Road ChenJiang Town Zhongkai DISTRICT Huizhou 516229 CHINA
  • https://www.rj45-modularjack.com/

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