M550B257M100BG , 250µF Hermetically Sealed Tantalum - Polymer Capacitors 100V M55 Module 30 mOhm 2.051" L x 1.992" W (52.10mm x 50.60mm). we specialize in KEMET M550B257M100BG electronic components. M550B257M100BG can be shipped within 24 hours after order.