U91 & U92 Capacitors Chemi-Con U91 and U92 Series Capacitors are high-temperature snap-in capacitors designed for higher ripple current capability. The U91 and U92 product lines from Chemi-Con include U91F, U92F, U92L, and U92X capacitors. Depending on case size, standard, or optional styles of 1, 4, or 5-pin configuration, snap-in terminals are available. Straight standoff terminals (5-pin configuration) are an option for the 40mm, 45mm, and 50mm can diameters.