The HF15R52010P105C from CAP-XX is a High-Frequency Coin Cell Supercapacitor that is ideal for industrial and commercial applications. It has a capacitance of 1 F and a capacitance tolerance from -20 to +80%. This supercapacitor has a voltage rating of 5.5 V and an equivalent series resistance (ESR) of 20 ohms. It is available in a through-hole that measures 20.9 x 10 mm.