H16120SCG PoE Magnetics Transformer for 10/100Base-TX Ethernet

Key Features of H16120SCG PoE LAN Magnetics Transformer

• Designed for IEEE 802.3at PoE+ applications (720 mA current capability)
• High OCL (350 µH min) ensures excellent low-frequency performance
• Low leakage inductance for reduced signal distortion
• Superior EMI suppression and noise immunity
• High isolation voltage: 1500 Vrms
• Wide operating temperature range: -40 °C to +85 °C
• Compact surface-mount form factor
• Suitable for industrial and enterprise Ethernet designs

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Electrical Specifications (@25 °C)

H16120SCG Datasheet- Schematic

H16120SCG PoE LAN Transformer Signal Performance

1. Insertion Loss

• 1–100 MHz: -1.2 dB Max (TX / RX)

2. Return Loss

• 1–30 MHz: -16 dB Min
• 40 MHz: -16 dB Min
• 50 MHz: -14.1 dB Min
• 60 MHz: -12.5 dB Min
• 80 MHz: -10 dB Min

3. Crosstalk (TX to RX)

• 30 MHz: -35.8 dB Min
• 60 MHz: -30.8 dB Min
• 100 MHz: -28.0 dB Min

4. Differential Mode Rejection Ratio (DMRR)

• 30 MHz: -43 dB Min
• 60 MHz: -37 dB Min
• 100 MHz: -33 dB Min

5. Isolation & Reliability

• Hi-Pot Isolation: 1500 Vrms, 1 mA, 60 seconds
• Designed to meet stringent Ethernet isolation and safety requirements
• Suitable for long-term continuous operation in harsh environments

Packaging Information

• Package Quantity:
  • One Reel: 600 pcs
  • One Inner Carton: 600 pcs
• Inner Carton Size: 335 × 340 × 40 mm
• Export Carton Size: 400 × 400 × 270 mm

PoE Magnetics Transformer Typical Applications

• PoE Ethernet switches
• IP cameras (PoE / PoE+)
• Wireless access points
• VoIP phones
• Industrial Ethernet devices
• Network interface cards (NICs)

Summary

The H16120SCG PoE Magnetics LAN Transformer combines high electrical performance, robust isolation, and PoE+ current capability in a compact SMT package. It is an ideal solution for designers seeking a reliable, standards-compliant Ethernet magnetics component for enterprise and industrial networking equipment.