Knowles / Syfer
Knowles / Syfer

- Knowles Syfer (formerly Syfer Technology Limited) is a premier global manufacturer renowned for innovative application specific high-voltage, Hi-Q RF MLCCs and thru-hole/SMT EMI suppression filters. Our comprehensive product range includes; MLCCs include RF/Microwave/ultra-low ESR, high voltage to 12 k VDC, 250 VAC ratings, safety certified SMDs as well as space-grade parts. Our patented StackiCap™ is a unique capacitor assembly designed to achieve high capacitance and high voltage.
Syfer’s EMI filter lineup has SMD feed through capacitors rated to 3 A, SMD C and Pi filters rated to 20 A and X2Y® technology.
The broad Syfer AEC Q200 qualified family features both surface mount EMI filters and high-voltage MLCCs focused on the HEV and EV automotive market.
Worldwide manufacturing operations include a brand new facility in Suzhou, China, equipped with modern equipment to assure consistent, high quality products to meet the growing needs of our global markets.


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IC LED DRIVER CTRLR DIM 16TSSOP

IC LED DRIVER CTRLR DIM 16TSSOP

IC LED DRIVER LINEAR 30MA 28SOIC

IC LED DRIVER CTRLR DIM 32TQFN

IC LED DRIVER CTRLR DIM 20TSSOP

IC LED DRIVER RGLTR DIM 20TQFN

IC LED DRIVER RGLTR DIM 28TQFN

IC LED DRIVER 48CH 56QFN

IC LED DRIVER LINEAR 25MA 56QFN

IC LED DRVR RGLTR DIM 50MA 32QFN

IC LED DRVR RGLTR DIM 35MA 24QFN

IC LED DRIVER LIN 30MA 32HTSSOP

IC LED DRIVER RGLTR DIM 28TQFN

IC LED DRIVER LINEAR 30MA 28SOIC

IC LED DRIVER LINEAR 80MA 32VQFN

IC LED DRIVER RGLTR DIM 16MSOP

IC LED DRIVER RGLTR DIM 28TQFN

IC LED DRIVER CTRLR DIM 16HTSSOP

IC LED DRIVER RGLTR DIM 1A 32QFN

IC LED DRIVER OFFLINE 33QFN

IC LED DRVR RGLTR DIM 35MA 24QFN

IC LED DRVR RGLTR DIM 1.3A 16DFN

IC LED DRIVER RGLTR DIM 28QFN

IC LED DRVR CTRLR DIM 30A 28TQFN

IC LED DRVR CTRLR DIM 30A 28TQFN

IC LED DRIVER RGLTR DIM 20TSSOP

IC LED DRIVER RGLTR DIM 28QFN

IC LED DRVR CTRLR DIM 30A 28TQFN

IC LED DRIVER OFFL DIM ESIP-7C

IC LED DRIVER LIN 55MA 24TSSOP

IC LED DRVR RGLTR DIM 2A 28TQFN

IC LED DRVR PS 16CH 40MA 40QFN

IC LED DRVR RGLTR DIM 36VCSP50L3

IC LED DRIVER RGLTR DIM 8SOIC

IC LED DRIVER RGLTR DIM 20USMD

IC LED DRIVER LINEAR DIM 48WQFN

IC LED DRIVER LIN 55MA 16TSSOP

IC LED DRIVER LINEAR DIM 16TSSOP

IC LED DRIVER RGLTR 50MA 10MSOP

IC LED DRIVER OFFL DIM 16MSOP