AVX 1825 Tip and Ring MLCC Series. The tip and ring MLCCC ‘s from AVX offer a standard telecom filter to block -48V DC telephone line voltage and pass subscribers AC signal pulse. These capacitors are an excellent choice for a wide range telecom and modem applications and are available in all standard EIA sizes. The MLCCC ‘s provide high frequency performance and low ESR in a wide -55°C to +125°C operating temperature range. Features ; Benefits. Provide a standard telecom filter to block -48 DC telephone line voltage ; pass subscribers AC signal pulse Wide -55°C to +125°C operating temperature range Small, robust design High frequency performance and low ESR