Electronic Products & Technology

Power transformer enhances dc-dc power conversion efficiency

November 22, 2019  Stephen Law

BOURNS Model SM13117EL flyback power transformer line is designed to support IEEE 802.3 af-compliant, integrated Power-over-Ethernet (PoE) Powered Device (PD) and Pulse Width Modulation (PWM) controller applications. Device provides dc-dc power conversion in isolated mode, delivering 13 watts of output power, 36 – 72Vdc/ 250kHz input, 12Vdc/1.08 amp output and 1.5k Vrms withstanding voltage. The low profile, small form factor PoE device provides an extended -40 to +125°C operating temperature range, low leakage inductance and improved EMI performance.


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