40A MID-SNS transformers are built on a compact platform with a footprint of 14.48mm x 20.2mm and low profile height of 10.5mm. These parts have low primary DC resistance and meet 1500Vrms dielectric between the primary and secondary windings. These transformers have an operating temperature of -40°C to 125°C and are RoHS and REACH compliant. The transformers are best suited for switch mode power supplies, precise current measurement, feedback control, circuit protection and monitoring, and high-reliability equipment applications.
Wurth Electronics Midcom has released additional Current Sense transformers to the MID-SNS family. “These surface mount transformers are designed to operate between 50 kHz to 500 kHz and sense up to 40 A of current. The turns ratios offered are 1:50, 1:100, 1:150, and 1:200 with Inductances ranging from 1.4 mH to 22.4 mH. Compared to current sense resistors, these parts have much lower power dissipation and provide galvanic isolation.” explained Swaroop Vaidyanath, product manager at Wurth Electronics Midcom.