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Home > Products > Discrete Magnetic Transformers > TM82440ANL 24-Pin SMT Gigabit LAN Magnetics Support AutoMDIX

TM82440ANL 24-Pin SMT Gigabit LAN Magnetics Support AutoMDIX

Product Details

Place of Origin: CHINA

Brand Name: LINK-PP

Certification: UL,ISO,ROHS,REACH

Model Number: TM82440ANL

Payment & Shipping Terms

Minimum Order Quantity: 800 pcs

Price: $0.3-$0.82

Packaging Details: 800 pcs/reel,1CTN = 6 reels = 4800 pcs

Delivery Time: in Stock Ship Today

Payment Terms: TT,NET30/60/90 Days

Supply Ability: 4200K-PCS/Month

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Highlight:

TM82440ANL

,

1GBase-T Ethernet Transformer

,

24-Pin LAN Magnetics

Series:
Industrial Grade LAN Transformer
Part Number:
TM82440ANL
Speed:
1G Base-T
Number Of Ports:
Single Port
Mounting Style:
SMD/SMT
Length:
15.1 (mm)
Width:
10 (mm)
Height:
4 (mm)
Series:
Industrial Grade LAN Transformer
Part Number:
TM82440ANL
Speed:
1G Base-T
Number Of Ports:
Single Port
Mounting Style:
SMD/SMT
Length:
15.1 (mm)
Width:
10 (mm)
Height:
4 (mm)
TM82440ANL 24-Pin SMT Gigabit LAN Magnetics Support AutoMDIX
TM82440ANL 24-Pin SMT Gigabit LAN Magnetics Support AutoMDIX
TM82440ANL LAN Transformer single-port 1GBase-T Gigabit Ethernet magnetics module. 24-pin SMT package with 1500Vrms isolation, low insertion loss and −40°C to +85°C operating range.

Key Specifications
Parameter Specification
Part Number TM82440ANL
Ethernet Speed 1000Base-T
Number of Ports Single Port
Package Type 24-Pin SMT
Mounting Type Surface Mount
Isolation Voltage 1500Vrms
Operating Temperature −40°C to +85°C
RoHS Compliance Yes

Product Description
The TM82440ANL LAN Transformer is a single-port 1GBase-T Ethernet transformer module designed for Gigabit Ethernet PHY interfaces. This 24-pin surface-mount LAN magnetics module provides reliable signal isolation, excellent EMI suppression, and stable electrical performance for high-speed Ethernet networks.
With a standard industry footprint, the TM82440ANL is compatible with many common Gigabit LAN transformer designs, allowing easy PCB integration and simplified Ethernet interface design.
Designed for industrial and networking equipment, the transformer operates over a wide temperature range from −40°C to +85°C, making it suitable for demanding environments such as industrial automation systems and communication infrastructure.
Key Features
  • Designed for 1GBase-T Gigabit Ethernet
  • Single-port LAN transformer
  • 24-pin SMT package
  • Compatible with industry-standard LAN transformer footprints
  • Supports Auto-MDIX capable Ethernet PHYs
  • Low insertion loss for high-speed signal integrity
  • 1500Vrms isolation
  • Wide industrial operating temperature −40°C to +85°C
  • RoHS compliant

Electrical Characteristics (@25°C)
Parameter Frequency / Condition Specification
OCL (Inductance) 100kHz, 0.1V, 8mA DC Bias ≥ 350 µH
Turns Ratio (TX) -- 1CT : 1CT ±5%
Turns Ratio (RX) -- 1CT : 1CT ±5%
Leakage Inductance (LL) -- ≤ 0.4 µH
DC Resistance (DCR) -- ≤ 1.2 Ω
Insertion Loss 1 - 100 MHz ≤ −1 dB
Return Loss 1 - 40 MHz ≥ 16 dB
Return Loss 40 - 100 MHz ≥ 10 + 20 log(f/80) dB
Crosstalk 30 MHz ≥ −45 dB
Crosstalk 60 MHz ≥ −40 dB
Crosstalk 100 MHz ≥ −35 dB
Differential-to-Common Mode Rejection (DCMR) 30 MHz ≥ −40 dB
Differential-to-Common Mode Rejection (DCMR) 60 MHz ≥ −35 dB
Differential-to-Common Mode Rejection (DCMR) 100 MHz ≥ −30 dB
Isolation Voltage (Hi-Pot) -- 1500 Vrms

Technical Drawings
TM82440ANL Electrical Drawings
TM82440ANL 24-Pin SMT Gigabit LAN Magnetics Support AutoMDIX 0
TM82440ANL Mechanical Drawings
TM82440ANL 24-Pin SMT Gigabit LAN Magnetics Support AutoMDIX 1
TM82440ANL Drawing - Pad Layout
TM82440ANL 24-Pin SMT Gigabit LAN Magnetics Support AutoMDIX 2
TM82440ANL Drawing - Profile of Reflow Solder
TM82440ANL 24-Pin SMT Gigabit LAN Magnetics Support AutoMDIX 3
  • Preheat: Temperature (Ta-Tb): 150-200°C Time (T1-T2): 60-180s
  • Holding Temperature: 217°C Time (TL): 60-150s
  • Max Temperature (Tp): 250(0/-5°C) Max Time (Tp): 5s
  • The average speed: 3°C/S Max The average cooling speed: 6°C/S Max
  • From 25°C to Products out of the furnace: 6 minutes Max

Typical Applications
The TM82440ANL Gigabit LAN transformer is widely used in Ethernet networking equipment, including:
  • Industrial automation systems
  • Ethernet switches
  • Routers
  • Hubs
  • Wireless access points
  • Servers
  • Network interface cards (NIC)
  • Communication systems
  • Digital consumer networking devices
Its industrial temperature range makes it particularly suitable for industrial networking equipment and communication infrastructure.

Frequently Asked Questions
What is a LAN transformer used for?
A LAN transformer provides electrical isolation, impedance matching, and noise suppression between the Ethernet PHY and the network cable, ensuring reliable data transmission in Ethernet networks.
What Ethernet speed does TM82440ANL support?
The TM82440ANL is designed for 1GBase-T (1000Base-T) Gigabit Ethernet applications.
Does TM82440ANL support industrial environments?
Yes. With an operating temperature range of −40°C to +85°C, it is suitable for industrial networking equipment.
What isolation voltage does it provide?
The transformer provides 1500Vrms isolation, meeting Ethernet safety and signal integrity requirements.