Knowles Syfer, formerly Syfer Technology Limited,is a global leader among manufacturers. It is well-known for innovative dedicated high voltage, HI-Q RF MLCC and through-hole /SMT EMI suppression filters.. Our products contain not only MLCCs include RF/Microwave/ultra-low ESR, high voltage to 12 k V, 250 V ratings, safety certified SMDs, but also space-grade parts. We offer the patented StackiCap? which is a particular capacitor assembly designed to meet the requirement of high capacitance and high voltage.