CDRH Automotive Power Inductors Sumida CDRH Automotive Power Inductors feature magnetically shielded construction, storage temperature ranges from -40°C to +85°C and -40°C to +125°C, and operating temperature ranges from -40°C to +125°C and -40°C to +155°C (including coil's self heat). Sumida CDRH Automotive Power Inductors are ideal for automotive applications, including air bags, car audio, and auto navigation.