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Home > products > Discrete Magnetic Transformers > 7490140122B 10/100 Base-T SMT Transformer Magnetic Module

7490140122B 10/100 Base-T SMT Transformer Magnetic Module

Product Details

Place of Origin: Guangdong,China

Brand Name: LINK-PP

Certification: UL,RoHS,Reach,ISO

Model Number: 7490140122B

Payment & Shipping Terms

Minimum Order Quantity: 400/2000/10K/25K

Price: $0.06-$3.2

Packaging Details: T&R

Delivery Time: Stock

Payment Terms: TT,NET30/60/90 Days

Supply Ability: 3KK/Month

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Highlight:

7490140122B

,

SMT LAN Magnetic

,

100base T Transformer

Part No.:
7490140122B
Transformer Type:
SMT Transformer
Turns Ratio:
1:1
Data Rate:
10/100 Base-T
PINs:
12
PoE:
Non-PoE
Length:
17.1mm
Width:
14.75mm
Height:
8.4mm
Part No.:
7490140122B
Transformer Type:
SMT Transformer
Turns Ratio:
1:1
Data Rate:
10/100 Base-T
PINs:
12
PoE:
Non-PoE
Length:
17.1mm
Width:
14.75mm
Height:
8.4mm
7490140122B 10/100 Base-T SMT Transformer Magnetic Module

Compact, High-Isolation Ethernet Transformer for Industrial and Networking Applications

7490140122B 10/100 Base-T LAN Transformer Overview:

Key Specifications

 

Parameter Specification
Part Number 7490140122B
Series LAN Magnetic
Data Rate 10/100BASE-T
Turns Ratio (Primary: Secondary) 1:1 ±2%
Inductance (OCL) 350 µH
Insertion Loss -2 dB max (1–100 MHz)
Return Loss

-10 dB min (1–30 MHz),

-7 dB min (30–60 MHz),

-5 dB min (60–80 MHz),

-4 dB min (80–100 MHz)

Common Mode Rejection Ratio (CMRR)

-35 dB min (1–30 MHz),

-30 dB min (30–60 MHz),

-28 dB min (60–100 MHz)

Crosstalk (CT)

-42 dB min (1–60 MHz),

-40 dB min (60–100 MHz)

Isolation Voltage 4500 V RMS
Clearance Distance 7 mm min
Creepage Distance 8.6 mm min
Operating Temperature Range -40°C to +85°C
Mounting Type Surface Mount (SMT)
Dimensions (L × W × H) 17.1 mm × 14.75 mm × 8.4 mm
Compliance

IEEE 802.3u, RoHS

 

Applications

 

  • Industrial Ethernet (PLCs, automation, robotics).
  • Networking Equipment (Switches, routers, IP cameras).
  • IoT Devices – Reliable signal isolation for smart sensors.
  • Non-PoE Systems – Compatible with standard Ethernet ICs (e.g., Microchip, Texas Instruments).

7490140122B Datasheet 10/100 Base-T Ethernet Transformer

7490140122B 10/100 Base-T SMT Transformer Magnetic Module 0