M551B687K030AA , 680µF Hermetically Sealed Tantalum - Polymer Capacitors 30V M55 Module 25 mOhm 2.051" L x 1.992" W (52.10mm x 50.60mm). we specialize in KEMET M551B687K030AA electronic components. M551B687K030AA can be shipped within 24 hours after order.