HQ1 series Hybrid Capacitors are perfectly suited for Military ÒHand HeldÓ or other high capacitance applications where operating temperatures do not exceed 70C. With the same performance and rating of the tantalum case THQ1, The HQ1 has a polypropylene case that is lighter and less costly than a metal case. The Electrolyte seal is provided by double Viton O rings, for dependable long life. HQ1 has a life of 1,000 hrs with full rated voltage at 70C. Significantly longer life is achieved with lower temperature and voltage de-rate.