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T2072_T551 • 6/23/2016

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Tantalum Through-Hole Capacitors – Hermetically Sealed

T551 Axial Polymer Hermetic Seal (PHS) 125ºC Series

Reverse Voltage

Solid tantalum polymer capacitors are polar devices and may be permanently damaged or destroyed if connected with the wrong

polarity.Asmallreversevoltageispermissiblefortimeperiodsperthebelowtable.KEMETcanofferlowercapacitanceinthisvoltage

with higher reverse voltage capability. In addition, we continue to improve our capability for this characteristic.

Temperature

Permissible Reverse Voltage

25°C

1 V for 8 hours Maximum

70ºC

1 V for 2 hours Maximum

Optimum Solder Wave Profile

Mounting

AllencasedcapacitorswillpasstheResistancetoSolderingHeatTestofMIL–STD–202,Method210,ConditionC.Thistestsimulates

wave solder of topside board mount product. This demonstration of resistance to solder heat is in accordance with what is believed to

betheindustrystandard.Moreseveretreatmentmustbeconsideredreflectiveofanimpropersolderingprocess.Theabovefigureisa

recommendedsolderwaveprofileforbothaxialandradialleadedsolidtantalumcapacitors.