MALVERN, PA — Vishay Intertechnology, Inc. (NYSE: VSH) has extended its shielded IFDC and semi-shielded IFSC series of wirewound, surface-mount ferrite inductors with three new devices in the 2020DE, 3232DB, and 5050HZ case sizes. These Vishay Dale inductors offer improved performance at a lower cost compared to previous-generation ferrite solutions. They combine higher inductance and current ratings with lower DCR for computer and consumer applications.
The IFDC-5050HZ, IFSC-2020DE-01, and IFSC-3232DB-01 match the performance of previous-generation ferrite solutions but with a 60% smaller size. They also offer enhanced performance compared to similar-sized devices, including higher operating temperatures to +125 °C and operating voltages of 120 V. The IFSC-2020DE-01 and IFSC-3232DB-01 feature 40% lower DCR, while the IFDC-5050HZ supports higher saturation currents up to 14 A.
While other high-performance inductors typically offer a maximum inductance of 100 µH, the new devices achieve significantly higher values of 470 µH for the IFSC-2020DE-01 and IFSC-3232DB-01 and 1 mH for the IFDC-5050HZ. Efficient manufacturing techniques and a simple bobbin style wirewound construction make IFSC and IFDC series inductors a more cost-effective solution over IHLP inductor technology while still delivering high quality and reliability.
The enhanced efficiency enabled by their low loss ferrite core construction and low DCR makes these devices ideal for use as energy storage inductors in various DC/DC conversion topologies found in consumer electronics and battery-powered devices. The IFSC and IFDC families also make cost-effective solutions in differential LC filter topologies for noise suppression on power lines. Focus markets include consumer entertainment devices such as televisions, sound bars, and audio and gaming systems; general computing equipment such as desktops, monitors, and scanners; and other household appliances. The IFDC-5050HZ minimizes EMI and crosstalk to nearby components, making it suitable for these applications.
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