- 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 |  |
SFBLC5000680MC0 | Knowles Syfer | CAP FEEDTHRU 68PF 20% 500V AXIAL |
| - | |
SFCIC5000331MC0 | Knowles Syfer | CAP FEEDTHRU 330PF 500V AXIAL |
| Datasheet | |
SFBCC1000223MX1 | Knowles Syfer | CAP FEEDTHRU 0.022UF 100V AXIAL |
| Datasheet | |
SFBCC2000103MX1 | Knowles Syfer | CAP FEEDTHRU 10000PF 200V AXIAL |
| Datasheet | |
SFBCC2000153MX1 | Knowles Syfer | CAP FEEDTHRU 0.015UF 200V AXIAL |
| Datasheet | |
SFBCC5000221MC1 | Knowles Syfer | CAP FEEDTHRU 220PF 500V AXIAL |
| Datasheet | |
SFBLC1000223MX1 | Knowles Syfer | CAP FEEDTHRU 0.022UF 100V AXIAL |
| Datasheet | |
SFBLC2000103MX1 | Knowles Syfer | CAP FEEDTHRU 10000PF 200V AXIAL |
| Datasheet | |
SFBLC2000153MX1 | Knowles Syfer | CAP FEEDTHRU 0.015UF 200V AXIAL |
| Datasheet | |
SFBLC5000221MC1 | Knowles Syfer | CAP FEEDTHRU 220PF 500V AXIAL |
| Datasheet | |
SFCML5000102MX1 | Knowles Syfer | CAP FEEDTHRU 1000PF 500V AXIAL |
| Datasheet | |
SFCML5000222MX1 | Knowles Syfer | CAP FEEDTHRU 2200PF 500V AXIAL |
| Datasheet | |
SFCML5000471MX1 | Knowles Syfer | CAP FEEDTHRU 470PF 500V AXIAL |
| Datasheet | |
SFCML5000472MX1 | Knowles Syfer | CAP FEEDTHRU 4700PF 500V AXIAL |
| Datasheet | |
SFBCL0500473MX0 | Knowles Syfer | CAP FEEDTHRU 0.047UF 50V AXIAL |
| Datasheet | |
SFBLL0500473MX0 | Knowles Syfer | CAP FEEDTHRU 0.047UF 50V AXIAL |
| - | |
SFCIL5000221MC0 | Knowles Syfer | CAP FEEDTHRU 220PF 500V AXIAL |
| Datasheet | |
SFBCC0500473MX1 | Knowles Syfer | CAP FEEDTHRU 0.047UF 50V AXIAL |
| Datasheet | |
SFBCC5000331MC1 | Knowles Syfer | CAP FEEDTHRU 330PF 500V AXIAL |
| Datasheet | |
SFBCL5000100ZC1 | Knowles Syfer | CAP FEEDTHRU 10PF 500V AXIAL |
| Datasheet | |
SFBCL5000101MC1 | Knowles Syfer | CAP FEEDTHRU 100PF 500V AXIAL |
| Datasheet | |
SFBCL5000102MX1 | Knowles Syfer | CAP FEEDTHRU 1000PF 500V AXIAL |
| Datasheet | |
SFBCL5000222MX1 | Knowles Syfer | CAP FEEDTHRU 2200PF 500V AXIAL |
| Datasheet | |
SFBCL5000471MX1 | Knowles Syfer | CAP FEEDTHRU 470PF 500V AXIAL |
| Datasheet | |
SFBCL5000472MX1 | Knowles Syfer | CAP FEEDTHRU 4700PF 500V AXIAL |
| Datasheet | |
SFBLC0500473MX1 | Knowles Syfer | CAP FEEDTHRU 0.047UF 50V AXIAL |
| Datasheet | |
SFBLC5000331MC1 | Knowles Syfer | CAP FEEDTHRU 330PF 500V AXIAL |
| Datasheet | |
SFBLL5000100ZC1 | Knowles Syfer | CAP FEEDTHRU 10PF 500V AXIAL |
| Datasheet | |
SFBLL5000101MC1 | Knowles Syfer | CAP FEEDTHRU 100PF 500V AXIAL |
| Datasheet | |
SFBLL5000102MX1 | Knowles Syfer | CAP FEEDTHRU 1000PF 500V AXIAL |
| Datasheet | |
SFBLL5000222MX1 | Knowles Syfer | CAP FEEDTHRU 2200PF 500V AXIAL |
| Datasheet | |
SFBLL5000471MX1 | Knowles Syfer | CAP FEEDTHRU 470PF 500V AXIAL |
| Datasheet | |
SFBLL5000472MX1 | Knowles Syfer | CAP FEEDTHRU 4700PF 500V AXIAL |
| Datasheet | |
SFCML5000100ZC1 | Knowles Syfer | CAP FEEDTHRU 10PF 500V AXIAL |
| Datasheet | |
SFCML5000101MC1 | Knowles Syfer | CAP FEEDTHRU 100PF 500V AXIAL |
| Datasheet | |
SFCML5000103MX1 | Knowles Syfer | CAP FEEDTHRU 10000PF 500V AXIAL |
| Datasheet | |
SFCML5000470ZC1 | Knowles Syfer | CAP FEEDTHRU 47PF 500V AXIAL |
| Datasheet | |
SFCML5000680MC1 | Knowles Syfer | CAP FEEDTHRU 68PF 20% 500V AXIAL |
| Datasheet | |
SFLML5000102MX0 | Knowles Syfer | CAP FEEDTHRU 1000PF 500V AXIAL |
| Datasheet | |
SFLML5000222MX0 | Knowles Syfer | CAP FEEDTHRU 2200PF 500V AXIAL |
| Datasheet | |
SFLML5000471MX0 | Knowles Syfer | CAP FEEDTHRU 470PF 500V AXIAL |
| - | |
SFCIL5000331MC0 | Knowles Syfer | CAP FEEDTHRU 330PF 500V AXIAL |
| Datasheet | |
SFBCL1000223MX1 | Knowles Syfer | CAP FEEDTHRU 0.022UF 100V AXIAL |
| Datasheet | |
SFBCL2000103MX1 | Knowles Syfer | CAP FEEDTHRU 10000PF 200V AXIAL |
| Datasheet | |
SFBCL5000221MC1 | Knowles Syfer | CAP FEEDTHRU 220PF 500V AXIAL |
| Datasheet | |
SFBCL5000470ZC1 | Knowles Syfer | CAP FEEDTHRU 47PF 500V AXIAL |
| Datasheet | |
SFBCL5000680MC1 | Knowles Syfer | CAP FEEDTHRU 68PF 20% 500V AXIAL |
| Datasheet | |
SFBLL1000223MX1 | Knowles Syfer | CAP FEEDTHRU 0.022UF 100V AXIAL |
| Datasheet | |
SFBLL2000103MX1 | Knowles Syfer | CAP FEEDTHRU 10000PF 200V AXIAL |
| Datasheet | |
SFBLL5000221MC1 | Knowles Syfer | CAP FEEDTHRU 220PF 500V AXIAL |
