POSCAP TH Capacitors Panasonic POSCAP TH series Capacitors offer high thermal resistance and are designed for industrial equipment. The TH series has a capacitance range of 68-680µF, a of voltage range of 2.5-35 VDC, and an ESR range of 15-45mΩ. POSCAP Tantalum-Polymer Solid Capacitors achieve stable capacitance at high frequency and temperature, in addition to low ESR/ESL. The series is ideal for digital, high-frequency devices, and more.