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Bourns Unveils New Inductor for Signal Lines

July 14, 2025

On June 26, 2025, Bourns, a global manufacturer of power, protection, and sensing solutions, introduced a new series of common mode inductors designed for noise suppression in signal transmission line applications. The Bourns SRF1209U4 series chip common mode inductors feature a low-profile, compact design, making them suitable for space-constrained applications.

Key Features and Performance

These inductors provide high impedance across a wide frequency range, effectively improving the signal-to-noise ratio. They are ideal for high-speed data interfaces, including USB 3.1 Gen 1/2, HDMI 2.0/2.1, USB 4.0, and Thunderbolt. The series operates reliably in temperatures ranging from -40 to +125¡ãC, with a maximum impedance of 90 ohms, a current rating of up to 400 mA, and a DC resistance of 0.3 ohms.

Compliance and Availability

The Bourns SRF1209U4 series is RoHS-compliant and halogen-free, meeting strict environmental standards. The inductors are available for order through Bourns-authorized distributors.