TDK EMC components: Compact noise suppression filters for LED lighting

source: TDK news

January 23, 2018. TDK Corporation has expanded the MAF series of noise suppression filters with the new MAF2520ASS600C type that is designed especially for LED lighting systems. The new multilayer filter has compact dimensions of just 2.5 mm x 2.0 mm x 0.85 mm and features a suppression of spurious noise between 20 MHz and 100 MHz that is equivalent with that of larger wire-wound components.

The new component has a rated current of 500 mA and a low DC resistance of just 0.28 Ω (typical). Its impedance at 30 MHz is 3.4 kΩ. Thanks to its wide operating temperature range of -40 to +125 °C, the component is also suitable for use in high temperature environments. In addition, the new MAF2520ASS600C filter satisfies CISPR 15 standards for LED lighting. Mass production began in January 2018.

Thanks to their reduced energy consumption and long operating life, LED lighting systems have continued to become increasingly popular in a wide range of applications in homes and buildings. In order to offer additional enhanced value, manufacturers are developing intelligent solutions with networked illumination control systems. The new miniaturized MAF2520ASS600C noise suppression filter from TDK is designed to protect the controllers from the noise generated by the AC to DC LED power supplies. Moving forward, TDK will continue to develop filter products that offer high-performance noise suppression in even smaller dimensions.

Main applications

• Networked LED lighting systems in homes and buildings

Main features and benefits

• Suppression of spurious noise between 20 MHz and 100 MHz
• Wide operating temperature range of -40 to +125 °C for use in high temperature environments
• Compact dimensions of 2.5 mm x 2.0 mm x 0.85 mm
• Satisfies CISPR 15 standards for LED lighting

Key data

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