Knowles（UK）Ltd（原Syfer Technology Limited）是应用专用多层陶瓷电容器和EMI抑制滤波器的全球首要供应商。

Knowles（原Syfer）全面的产品系列包括许多专用电容器，包括FlexiCap™，ProtectiCap™和新的StackiCap™系列，以及标准电压和电容值。 Knowles（原Syfer）还设计和制造一系列EMI / RFI滤波器，包括用于pcb应用的表面贴装类型，以及螺纹和焊接面板安装样式。

Knowles (UK) Ltd ( formerly Syfer Technology Limited ) is a premier global source for application specific multilayer ceramic capacitors and EMI suppression filters.

Our comprehensive product range includes many application-specific capacitors, including FlexiCap™, ProtectiCap™ and the new StackiCap™ range, as well as standard voltages and capacitance values. We also design and manufacture a range of EMI/RFI filters including surface mount types for pcb applications, as well as threaded and solder-in panel-mounted styles.