TDK B40921 Hybrid Polymer Aluminum Electrolytic Capacitors are long-life grade capacitors with a compact design and high ripple current capability. The series provides a long useful life of 4000 hours at up to +125°C with a 25VDC to 35VDC rated voltage range and a 390µF to 680µF capacitance range. TDK B40921 Hybrid Polymer Aluminum Electrolytic Capacitors are designed for use in automotive and industrial electronics.