TDK B43655 and B43656 DC Link Capacitor Series
Published: 23 February 2026
B43655 and B43656 aluminum electrolytic capacitor series designed for DC link stages in electric vehicle on-board chargers supporting 800V battery architectures and forced cooling operation. B43655 offers 475V and 500V ratings with capacitance from 110µF to 880µF, ripple current up to 3.29A at +105°C, ESR down to 100mΩ and useful life exceeding 3,000hours at +105°C. B43656 rated at 450V supports ripple current up to 4.42A at +105°C for higher-power OBC topologies. Available in snap-in packages from 22mm to 35mm diameter and 25mm to 60mm length, with pressure relief device and select ±0.5mm length tolerance. Qualified to AEC-Q200 Rev.E and RoHS compliant. Integrated into TDK’s AlCap Useful Life Calculation Tool for lifetime estimation.
TDK
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