Bourns Through Hole LAN Ethernet Transformer, 70 °C Operating Temperature, 8.35 mm Depth SM13143EL

Bourns SM13143EL is a high-quality through hole LAN Ethernet transformer designed for reliable network and Power over Ethernet (PoE) applications. With a robust maximum operating temperature of 70 °C and a depth of 8.35 mm, it is tailored to fit standard PCB mounting profiles.

This dual-port Base-T transformer complies with IEEE 802.3bt Type 3 4PPoE standards, enabling PoE++ capability up to 60 W per channel with a DC balance current of 700 mA, and supports up to 1400 mA to power full channels efficiently. Its 1.5 kVrms isolation voltage ensures safe operation in industrial, telecommunications, and commercial networking environments.

The device offers a minimum inductance of 350 μH, an insertion loss of -1.1 dB, and a turns ratio tolerance of ±5%, which contribute to reduced signal degradation and electrical noise. The tin finish termination facilitates reliable solder joints for long-lasting connections.

Manufactured with compliance to RoHS directives, this transformer is sourced from China, ensuring global standards for environmental safety. Its throughput and specifications make it suitable for use in industrial control systems, telecom equipment, network routers, and PoE systems.

Supports advanced PoE Ethernet networking standards. Dual outputs enhance network channel handling. Robust operating temperature range from 0 °C to 70 °C. Strong electrical isolation with 1.5 kVrms rating. High inductance rating for efficient signal integrity.

The Bourns SM13143EL provides engineers and product designers with a reliable LAN transformer component for use in high-performance communication and power delivery solutions. The product is categorized under LAN Ethernet Transformers in the Transformers & Transformer Parts segment of Electronics & Electricals.

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