- 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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Datasheet | ![]() |
SFJNL5000153MX1 | Knowles Syfer | CAP FEEDTHRU 0.015UF 500V AXIAL |
Datasheet | ![]() |
SFBDP0500663MX0 | Knowles Syfer | CAP FEEDTHRU 0.066UF 50V AXIAL |
Datasheet | ![]() |
SFJEL5000333MX0 | Knowles Syfer | CAP FEEDTHRU 0.033UF 500V AXIAL |
Datasheet | ![]() |
SFJNC2K00152MX0 | Knowles Syfer | CAP FEEDTHRU 1500PF 2KV AXIAL |
Datasheet | ![]() |
SFJNC2K00222MX0 | Knowles Syfer | CAP FEEDTHRU 2200PF 2KV AXIAL |
Datasheet | ![]() |
SFJNC2K00332MX0 | Knowles Syfer | CAP FEEDTHRU 3300PF 2KV AXIAL |
Datasheet | ![]() |
SFJNC2K00472MX0 | Knowles Syfer | CAP FEEDTHRU 4700PF 2KV AXIAL |
Datasheet | ![]() |
SFJNC2K00682MX0 | Knowles Syfer | CAP FEEDTHRU 6800PF 2KV AXIAL |
Datasheet | ![]() |
SFJEC2K00152MX0 | Knowles Syfer | CAP FEEDTHRU 1500PF 2KV AXIAL |
Datasheet | ![]() |
SFJEC2K00472MX0 | Knowles Syfer | CAP FEEDTHRU 4700PF 2KV AXIAL |
Datasheet | ![]() |
SFJEC2K00682MX0 | Knowles Syfer | CAP FEEDTHRU 6800PF 2KV AXIAL |
Datasheet | ![]() |
SFJNC2K00152MX1 | Knowles Syfer | CAP FEEDTHRU 1500PF 2KV AXIAL |
Datasheet | ![]() |
SFJNC2K00222MX1 | Knowles Syfer | CAP FEEDTHRU 2200PF 2KV AXIAL |
Datasheet | ![]() |
SFJNC2K00332MX1 | Knowles Syfer | CAP FEEDTHRU 3300PF 2KV AXIAL |
Datasheet | ![]() |
SFJNC2K00472MX1 | Knowles Syfer | CAP FEEDTHRU 4700PF 2KV AXIAL |
Datasheet | ![]() |
SFJNC2K00682MX1 | Knowles Syfer | CAP FEEDTHRU 6800PF 2KV AXIAL |
Datasheet | ![]() |
SFJEC2K00103MX0 | Knowles Syfer | CAP FEEDTHRU 10000PF 2KV AXIAL |
Datasheet | ![]() |
SFJEC2K00152MX1 | Knowles Syfer | CAP FEEDTHRU 1500PF 2KV AXIAL |
Datasheet | ![]() |
SFJEC2K00472MX1 | Knowles Syfer | CAP FEEDTHRU 4700PF 2KV AXIAL |
Datasheet | ![]() |
SFJEC2K00682MX1 | Knowles Syfer | CAP FEEDTHRU 6800PF 2KV AXIAL |
Datasheet | ![]() |
SFJEC1K00153MX0 | Knowles Syfer | CAP FEEDTHRU 0.015UF 1KV AXIAL |
Datasheet | ![]() |
SFJEC2K00103MX1 | Knowles Syfer | CAP FEEDTHRU 10000PF 2KV AXIAL |
Datasheet | ![]() |
SFJEC1K00223MX0 | Knowles Syfer | CAP FEEDTHRU 0.022UF 1KV AXIAL |
Datasheet | ![]() |
SFJEC1K00333MX0 | Knowles Syfer | CAP FEEDTHRU 0.033UF 1KV AXIAL |
Datasheet | ![]() |
SFJNC1K00223MX0 | Knowles Syfer | CAP FEEDTHRU 0.022UF 1KV AXIAL |
Datasheet | ![]() |
SFJNC1K00333MX0 | Knowles Syfer | CAP FEEDTHRU 0.033UF 1KV AXIAL |
Datasheet | ![]() |
SFJNC5000154MX0 | Knowles Syfer | CAP FEEDTHRU 0.15UF 500V AXIAL |
Datasheet | ![]() |
SFJEC1K00153MX1 | Knowles Syfer | CAP FEEDTHRU 0.015UF 1KV AXIAL |
Datasheet | ![]() |
SFJEC1K00223MX1 | Knowles Syfer | CAP FEEDTHRU 0.022UF 1KV AXIAL |
Datasheet | ![]() |
SFJEC1K00333MX1 | Knowles Syfer | CAP FEEDTHRU 0.033UF 1KV AXIAL |
Datasheet | ![]() |
SFJNC1K00223MX1 | Knowles Syfer | CAP FEEDTHRU 0.022UF 1KV AXIAL |
Datasheet | ![]() |
SFJNC1K00333MX1 | Knowles Syfer | CAP FEEDTHRU 0.033UF 1KV AXIAL |
Datasheet | ![]() |
SFJNC5000154MX1 | Knowles Syfer | CAP FEEDTHRU 0.15UF 500V AXIAL |
Datasheet | ![]() |
SFJEC1K00473MX0 | Knowles Syfer | CAP FEEDTHRU 0.047UF 1KV AXIAL |
Datasheet | ![]() |
SFJEL2K00152MX0 | Knowles Syfer | CAP FEEDTHRU 1500PF 2KV AXIAL |
Datasheet | ![]() |
SFJEL2K00222MX0 | Knowles Syfer | CAP FEEDTHRU 2200PF 2KV AXIAL |
Datasheet | ![]() |
SFJEL2K00332MX0 | Knowles Syfer | CAP FEEDTHRU 3300PF 2KV AXIAL |
Datasheet | ![]() |
SFJEL2K00472MX0 | Knowles Syfer | CAP FEEDTHRU 4700PF 2KV AXIAL |
Datasheet | ![]() |
SFJEL2K00682MX0 | Knowles Syfer | CAP FEEDTHRU 6800PF 2KV AXIAL |
Datasheet | ![]() |
SFJNC1K00473MX0 | Knowles Syfer | CAP FEEDTHRU 0.047UF 1KV AXIAL |
Datasheet | ![]() |
SFJNC5000224MX0 | Knowles Syfer | CAP FEEDTHRU 0.22UF 500V AXIAL |
Datasheet | ![]() |
SFJNL2K00103MX0 | Knowles Syfer | CAP FEEDTHRU 10000PF 2KV AXIAL |
Datasheet | ![]() |
SFJNL2K00152MX0 | Knowles Syfer | CAP FEEDTHRU 1500PF 2KV AXIAL |
Datasheet | ![]() |
SFJNL2K00222MX0 | Knowles Syfer | CAP FEEDTHRU 2200PF 2KV AXIAL |
Datasheet | ![]() |
SFJNL2K00332MX0 | Knowles Syfer | CAP FEEDTHRU 3300PF 2KV AXIAL |
Datasheet | ![]() |
SFJNL2K00472MX0 | Knowles Syfer | CAP FEEDTHRU 4700PF 2KV AXIAL |
Datasheet | ![]() |
SFJNL2K00682MX0 | Knowles Syfer | CAP FEEDTHRU 6800PF 2KV AXIAL |
Datasheet | ![]() |
SFJEC5000224MX0 | Knowles Syfer | CAP FEEDTHRU 0.22UF 500V AXIAL |
Datasheet | ![]() |
SFJEL2K00103MX0 | Knowles Syfer | CAP FEEDTHRU 10000PF 2KV AXIAL |
Datasheet | ![]() |
SFJNC3K00221MC0 | Knowles Syfer | CAP FEEDTHRU 220PF 3KV AXIAL |