BNX EMI Network Filters Murata BNX EMI Network Filters support large currents and a wide frequency range. These EMI suppression filters are effective for noise suppression for DC switching lines of automotive and FA/OA devices. Murata BNX EMI Network Filters feature SMD mounting and operate in a wide temperature range from -55°C to +125°C. Typical applications include automotive devices/displays, digital AV equipment, PC peripheral equipment, power supplies, industrial equipment, and more.