AVX Corp. (Myrtle Beach, SC) introduced its new KNA21 Series, multi-layer, chip EMI filter array designed to reduce the noise generated from signal lines of digital devices. The new EMI filter is developed and manufactured by AVX’s Kyocera Developed Products Group (KDP).
The KNA21 Series devices consist of four high-performance EMI filter circuits in a package that measures 2 mm x 1.25 mm x 0.85 mm. The product is especially effective for improving RF reception in mobile phones by minimizing the noise emitted by high-speed digital signals generated by color LCDs and camera functions. The KNA21 Series incorporates four EMI filters, managing up to four lines in one component, enabling a reduction in component count, board space and assembly cost.
The KNA21 EMI filter features a cut-off frequency of 400 MHz and an attenuation range of 800 MHz to 2.5 GHz (15 dB attenuation) and 800 MHz to 1 GHz attenuation range (20 dB attenuation). The new KNA21 filters are rated at 25 Vdc and 50 mA. The KNA21 EMI filter is compatible with all major digital communication protocols, including CDMA, GSM, PDC, PCS, UMTS and W-CDMA.
Pricing for the KNA21 Series EMI filter is under $0.30 each, in production quantities with lead times from stock to 12 weeks. Samples are available immediately.
