Key Features of G4P209NS-1 LF – 1000BASE-T Quad Port Magnetic Module
- Specifically designed for Ethernet 1000BASE-T quad-port applications.
- Supports 16 pairs of Category 5 unshielded twisted pair (UTP) cable.
- Provides excellent signal isolation and reduced common-mode emissions at the cable interface.
- Fully compliant with IEEE 802.3ab specifications for 1000BASE-T Ethernet.
- RoHS compliant – free from hazardous substances including Cd, Hg, Cr6+, PBB, PBDE, and Pb on external pins
- Operating Temperature Range: 0°C to +70°C.
- Storage Temperature Range: -25°C to +105°C.
G4P209NS-1 LF Datasheet


Electrical Specifications @ 25°C for G4P209NS-1 LF
Basic Parameters
Parameter | Value | Notes |
Part Number | G4P209NS-1 LF | 1000 BASE-T Quad Port Magnetics Module |
Turns Ratio TX | 1CT:1CT | ±5% |
Turns Ratio RX | 1CT:1CT | ±5% |
OCL | 350 μH Min | @100KHz/0.1V with 8mA DC Bias |
HI-POT | 1500 Vrms | - |
Cross-talk Attenuation (dB Min)
Frequency | Value |
30MHz | -40 |
60MHz | -35 |
100MHz | -30 |
Insertion Loss (dB Max)
Frequency Range | Value |
1-100MHz | -1.0 |
Return Loss (dB Min) @ Load 100Ω
Frequency | Value |
1-30MHz | -18 |
40MHz | -14.4 |
50MHz | -13.1 |
60-80MHz | -12 |
100MHz | -12 |
Differential to Common Mode Rejection (DCMR) (dB Min)
Frequency | Value |
30MHz | -40 |
60MHz | -35 |
100MHz | -30 |