- 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 | |
|---|---|---|---|---|
| Datasheet |  |
SFJNL1K00153MX0 | Knowles Syfer | CAP FEEDTHRU 0.015UF 1KV AXIAL |
| Datasheet | |
SFJEC1K00473MX1 | Knowles Syfer | CAP FEEDTHRU 0.047UF 1KV AXIAL |
| Datasheet | |
SFJEL2K00152MX1 | Knowles Syfer | CAP FEEDTHRU 1500PF 2KV AXIAL |
| Datasheet | |
SFJEL2K00222MX1 | Knowles Syfer | CAP FEEDTHRU 2200PF 2KV AXIAL |
| Datasheet | |
SFJEL2K00332MX1 | Knowles Syfer | CAP FEEDTHRU 3300PF 2KV AXIAL |
| Datasheet | |
SFJEL2K00472MX1 | Knowles Syfer | CAP FEEDTHRU 4700PF 2KV AXIAL |
| Datasheet | |
SFJEL2K00682MX1 | Knowles Syfer | CAP FEEDTHRU 6800PF 2KV AXIAL |
| Datasheet | |
SFJNC1K00473MX1 | Knowles Syfer | CAP FEEDTHRU 0.047UF 1KV AXIAL |
| Datasheet | |
SFJNC5000224MX1 | Knowles Syfer | CAP FEEDTHRU 0.22UF 500V AXIAL |
| Datasheet | |
SFJNL2K00103MX1 | Knowles Syfer | CAP FEEDTHRU 10000PF 2KV AXIAL |
| Datasheet | |
SFJNL2K00152MX1 | Knowles Syfer | CAP FEEDTHRU 1500PF 2KV AXIAL |
| Datasheet | |
SFJNL2K00222MX1 | Knowles Syfer | CAP FEEDTHRU 2200PF 2KV AXIAL |
| Datasheet | |
SFJNL2K00332MX1 | Knowles Syfer | CAP FEEDTHRU 3300PF 2KV AXIAL |
| Datasheet | |
SFJNL2K00472MX1 | Knowles Syfer | CAP FEEDTHRU 4700PF 2KV AXIAL |
| Datasheet | |
SFJNL2K00682MX1 | Knowles Syfer | CAP FEEDTHRU 6800PF 2KV AXIAL |
| Datasheet | |
SFJEC2K00331MC0 | Knowles Syfer | CAP FEEDTHRU 330PF 2KV AXIAL |
| Datasheet | |
SFJEC3K00221MC0 | Knowles Syfer | CAP FEEDTHRU 220PF 3KV AXIAL |
| Datasheet | |
SFJEL1K00153MX0 | Knowles Syfer | CAP FEEDTHRU 0.015UF 1KV AXIAL |
| Datasheet | |
SFJNC2K00331MC0 | Knowles Syfer | CAP FEEDTHRU 330PF 2KV AXIAL |
| Datasheet | |
SFJNC3K00101MC0 | Knowles Syfer | CAP FEEDTHRU 100PF 3KV AXIAL |
| Datasheet | |
SFJEC5000224MX1 | Knowles Syfer | CAP FEEDTHRU 0.22UF 500V AXIAL |
| Datasheet | |
SFJEL2K00103MX1 | Knowles Syfer | CAP FEEDTHRU 10000PF 2KV AXIAL |
| Datasheet | |
SFJNC3K00221MC1 | Knowles Syfer | CAP FEEDTHRU 220PF 3KV AXIAL |
| Datasheet | |
SFJNL1K00153MX1 | Knowles Syfer | CAP FEEDTHRU 0.015UF 1KV AXIAL |
| Datasheet | |
SFJEC1K00683MX0 | Knowles Syfer | CAP FEEDTHRU 0.068UF 1KV AXIAL |
| Datasheet | |
SFJEC3K00101MC0 | Knowles Syfer | CAP FEEDTHRU 100PF 3KV AXIAL |
| Datasheet | |
SFJNC1K00683MX0 | Knowles Syfer | CAP FEEDTHRU 0.068UF 1KV AXIAL |
| Datasheet | |
SFJNC2K00471MC0 | Knowles Syfer | CAP FEEDTHRU 470PF 2KV AXIAL |
| Datasheet | |
SFJNL1K00223MX0 | Knowles Syfer | CAP FEEDTHRU 0.022UF 1KV AXIAL |
| Datasheet | |
SFJNL1K00333MX0 | Knowles Syfer | CAP FEEDTHRU 0.033UF 1KV AXIAL |
| Datasheet | |
SFJNL5000154MX0 | Knowles Syfer | CAP FEEDTHRU 0.15UF 500V AXIAL |
| Datasheet | |
SFJEC2K00331MC1 | Knowles Syfer | CAP FEEDTHRU 330PF 2KV AXIAL |
| Datasheet | |
SFJEC3K00221MC1 | Knowles Syfer | CAP FEEDTHRU 220PF 3KV AXIAL |
| Datasheet | |
SFJEL1K00153MX1 | Knowles Syfer | CAP FEEDTHRU 0.015UF 1KV AXIAL |
| Datasheet | |
SFJNC2K00331MC1 | Knowles Syfer | CAP FEEDTHRU 330PF 2KV AXIAL |
| Datasheet | |
SFJNC3K00101MC1 | Knowles Syfer | CAP FEEDTHRU 100PF 3KV AXIAL |
| Datasheet | |
SFJEC2K00471MC0 | Knowles Syfer | CAP FEEDTHRU 470PF 2KV AXIAL |
| Datasheet | |
SFJEL1K00223MX0 | Knowles Syfer | CAP FEEDTHRU 0.022UF 1KV AXIAL |
| Datasheet | |
SFJEL1K00333MX0 | Knowles Syfer | CAP FEEDTHRU 0.033UF 1KV AXIAL |
| Datasheet | |
SFJEL5000154MX0 | Knowles Syfer | CAP FEEDTHRU 0.15UF 500V AXIAL |
| Datasheet | |
SFJEC1K00683MX1 | Knowles Syfer | CAP FEEDTHRU 0.068UF 1KV AXIAL |
| Datasheet | |
SFJEC3K00101MC1 | Knowles Syfer | CAP FEEDTHRU 100PF 3KV AXIAL |
| Datasheet | |
SFJNC1K00683MX1 | Knowles Syfer | CAP FEEDTHRU 0.068UF 1KV AXIAL |
| Datasheet | |
SFJNC2K00471MC1 | Knowles Syfer | CAP FEEDTHRU 470PF 2KV AXIAL |
| Datasheet | |
SFJNL1K00223MX1 | Knowles Syfer | CAP FEEDTHRU 0.022UF 1KV AXIAL |
| Datasheet | |
SFBLP1000441ZC0 | Knowles Syfer | CAP FEEDTHRU 440PF 100V AXIAL |
| Datasheet | |
SFBLP2000942ZX0 | Knowles Syfer | CAP FEEDTHRU 9400PF 200V AXIAL |
| Datasheet | |
SFBLP5000200ZC0 | Knowles Syfer | CAP FEEDTHRU 20PF 500V AXIAL |
| Datasheet | |
SFBLP5000440ZC0 | Knowles Syfer | CAP FEEDTHRU 44PF 500V AXIAL |
| Datasheet | |
SFBCP5000442ZX1 | Knowles Syfer | CAP FEEDTHRU 4400PF 500V AXIAL |
