- 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.
Part Photo | Part Number | Manufacturers | Description | |
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SFAKL2000103MX1 | Knowles Syfer | CAP FEEDTHRU 10000PF 200V AXIAL |
Datasheet | ![]() |
SFAKL2000153MX1 | Knowles Syfer | CAP FEEDTHRU 0.015UF 200V AXIAL |
Datasheet | ![]() |
SFAKL5000221MC1 | Knowles Syfer | CAP FEEDTHRU 220PF 500V AXIAL |
Datasheet | ![]() |
SFAKL5000470ZC1 | Knowles Syfer | CAP FEEDTHRU 47PF 500V AXIAL |
Datasheet | ![]() |
SFAKL5000680MC1 | Knowles Syfer | CAP FEEDTHRU 68PF 20% 500V AXIAL |
Datasheet | ![]() |
SFAKL5000331MC1 | Knowles Syfer | CAP FEEDTHRU 330PF 500V AXIAL |
Datasheet | ![]() |
SFLMT5000102MX0 | Knowles Syfer | CAP FEEDTHRU 1000PF 500V AXIAL |
Datasheet | ![]() |
SFLMT5000222MX0 | Knowles Syfer | CAP FEEDTHRU 2200PF 500V AXIAL |
Datasheet | ![]() |
SFLMT5000471MX0 | Knowles Syfer | CAP FEEDTHRU 470PF 500V AXIAL |
Datasheet | ![]() |
SFAKL0500473MX1 | Knowles Syfer | CAP FEEDTHRU 0.047UF 50V AXIAL |
Datasheet | ![]() |
SFLMT5000100ZC0 | Knowles Syfer | CAP FEEDTHRU 10PF 500V AXIAL |
Datasheet | ![]() |
SFLMT5000101MC0 | Knowles Syfer | CAP FEEDTHRU 100PF 500V AXIAL |
Datasheet | ![]() |
SFLMT5000470ZC0 | Knowles Syfer | CAP FEEDTHRU 47PF 500V AXIAL |
Datasheet | ![]() |
SFLMT5000472MX0 | Knowles Syfer | CAP FEEDTHRU 4700PF 500V AXIAL |
Datasheet | ![]() |
SFLMT5000680MC0 | Knowles Syfer | CAP FEEDTHRU 68PF 20% 500V AXIAL |
Datasheet | ![]() |
SFSUC0500474MX0 | Knowles Syfer | CAP FEEDTHRU 0.47UF 50V AXIAL |
Datasheet | ![]() |
SFLMT1000223MX0 | Knowles Syfer | CAP FEEDTHRU 0.022UF 100V AXIAL |
Datasheet | ![]() |
SFLMT2000103MX0 | Knowles Syfer | CAP FEEDTHRU 10000PF 200V AXIAL |
Datasheet | ![]() |
SFLMT2000153MX0 | Knowles Syfer | CAP FEEDTHRU 0.015UF 200V AXIAL |
Datasheet | ![]() |
SFLMT5000221MC0 | Knowles Syfer | CAP FEEDTHRU 220PF 500V AXIAL |
Datasheet | ![]() |
SFLMT0500473MX0 | Knowles Syfer | CAP FEEDTHRU 0.047UF 50V AXIAL |
Datasheet | ![]() |
SFLMT5000331MC0 | Knowles Syfer | CAP FEEDTHRU 330PF 500V AXIAL |
Datasheet | ![]() |
SFBMC5000100ZC0 | Knowles Syfer | CAP FEEDTHRU 10PF 500V AXIAL |
Datasheet | ![]() |
SFBMC5000101MC0 | Knowles Syfer | CAP FEEDTHRU 100PF 500V AXIAL |
Datasheet | ![]() |
SFBMC5000102MX0 | Knowles Syfer | CAP FEEDTHRU 1000PF 500V AXIAL |
Datasheet | ![]() |
SFBMC5000222MX0 | Knowles Syfer | CAP FEEDTHRU 2200PF 500V AXIAL |
Datasheet | ![]() |
SFBMC5000471MX0 | Knowles Syfer | CAP FEEDTHRU 470PF 500V AXIAL |
Datasheet | ![]() |
SFBMC5000472MX0 | Knowles Syfer | CAP FEEDTHRU 4700PF 500V AXIAL |
Datasheet | ![]() |
SFCMC5000223MX0 | Knowles Syfer | CAP FEEDTHRU 0.022UF 500V AXIAL |
Datasheet | ![]() |
SFBMC1000223MX0 | Knowles Syfer | CAP FEEDTHRU 0.022UF 100V AXIAL |
Datasheet | ![]() |
SFBMC2000103MX0 | Knowles Syfer | CAP FEEDTHRU 10000PF 200V AXIAL |
Datasheet | ![]() |
SFBMC5000221MC0 | Knowles Syfer | CAP FEEDTHRU 220PF 500V AXIAL |
Datasheet | ![]() |
SFBMC5000470ZC0 | Knowles Syfer | CAP FEEDTHRU 47PF 500V AXIAL |
Datasheet | ![]() |
SFAAC5000102MX0 | Knowles Syfer | CAP FEEDTHRU 1000PF 500V AXIAL |
Datasheet | ![]() |
SFAAC5000222MX0 | Knowles Syfer | CAP FEEDTHRU 2200PF 500V AXIAL |
Datasheet | ![]() |
SFAAC5000471MX0 | Knowles Syfer | CAP FEEDTHRU 470PF 500V AXIAL |
Datasheet | ![]() |
SFBCL2000153MX1 | Knowles Syfer | CAP FEEDTHRU 0.015UF 200V AXIAL |
Datasheet | ![]() |
SFBCL5000331MC1 | Knowles Syfer | CAP FEEDTHRU 330PF 500V AXIAL |
Datasheet | ![]() |
SFBLL2000153MX1 | Knowles Syfer | CAP FEEDTHRU 0.015UF 200V AXIAL |
Datasheet | ![]() |
SFBLL5000331MC1 | Knowles Syfer | CAP FEEDTHRU 330PF 500V AXIAL |
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SFCIL5000100ZC1 | Knowles Syfer | CAP FEEDTHRU 10PF 500V AXIAL |
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SFCIL5000101MC1 | Knowles Syfer | CAP FEEDTHRU 100PF 500V AXIAL |
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SFCIL5000103MX1 | Knowles Syfer | CAP FEEDTHRU 10000PF 500V AXIAL |
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SFCIL5000470ZC1 | Knowles Syfer | CAP FEEDTHRU 47PF 500V AXIAL |
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SFCIL5000680MC1 | Knowles Syfer | CAP FEEDTHRU 68PF 20% 500V AXIAL |
Datasheet | ![]() |
SFCML5000331MC1 | Knowles Syfer | CAP FEEDTHRU 330PF 500V AXIAL |
Datasheet | ![]() |
SFLML1000223MX0 | Knowles Syfer | CAP FEEDTHRU 0.022UF 100V AXIAL |
Datasheet | ![]() |
SFLML2000103MX0 | Knowles Syfer | CAP FEEDTHRU 10000PF 200V AXIAL |
Datasheet | ![]() |
SFLML2000153MX0 | Knowles Syfer | CAP FEEDTHRU 0.015UF 200V AXIAL |
Datasheet | ![]() |
SFLML5000221MC0 | Knowles Syfer | CAP FEEDTHRU 220PF 500V AXIAL |