- 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 |  |
SFBDL5000222MX1 | Knowles Syfer | CAP FEEDTHRU 2200PF 500V AXIAL |
| Datasheet | |
SFBDL5000471MX1 | Knowles Syfer | CAP FEEDTHRU 470PF 500V AXIAL |
| Datasheet | |
SFBDL5000472MX1 | Knowles Syfer | CAP FEEDTHRU 4700PF 500V AXIAL |
| Datasheet | |
SFBML0500473MX1 | Knowles Syfer | CAP FEEDTHRU 0.047UF 50V AXIAL |
| Datasheet | |
SFBML5000331MC1 | Knowles Syfer | CAP FEEDTHRU 330PF 500V AXIAL |
| Datasheet | |
SFBMT1000223MX1 | Knowles Syfer | CAP FEEDTHRU 0.022UF 100V AXIAL |
| Datasheet | |
SFBMT2000103MX1 | Knowles Syfer | CAP FEEDTHRU 10000PF 200V AXIAL |
| Datasheet | |
SFBMC5000680MC0 | Knowles Syfer | CAP FEEDTHRU 68PF 20% 500V AXIAL |
| Datasheet | |
SFCMC5000473MX0 | Knowles Syfer | CAP FEEDTHRU 0.047UF 500V AXIAL |
| Datasheet | |
SFBMC2000153MX0 | Knowles Syfer | CAP FEEDTHRU 0.015UF 200V AXIAL |
| Datasheet | |
SFBMC5000331MC0 | Knowles Syfer | CAP FEEDTHRU 330PF 500V AXIAL |
| Datasheet | |
SFCDC5000102MX0 | Knowles Syfer | CAP FEEDTHRU 1000PF 500V AXIAL |
| Datasheet | |
SFCDC5000471MX0 | Knowles Syfer | CAP FEEDTHRU 470PF 500V AXIAL |
| - | |
SFCIC5000223MX0 | Knowles Syfer | CAP FEEDTHRU 0.022UF 500V AXIAL |
| Datasheet | |
SFCMC3000104MX0 | Knowles Syfer | CAP FEEDTHRU 0.1UF 300V AXIAL |
| Datasheet | |
SFBDC5000100ZC0 | Knowles Syfer | CAP FEEDTHRU 10PF 500V AXIAL |
| Datasheet | |
SFBDC5000101MC0 | Knowles Syfer | CAP FEEDTHRU 100PF 500V AXIAL |
| Datasheet | |
SFBDC5000102MX0 | Knowles Syfer | CAP FEEDTHRU 1000PF 500V AXIAL |
| Datasheet | |
SFBDC5000222MX0 | Knowles Syfer | CAP FEEDTHRU 2200PF 500V AXIAL |
| Datasheet | |
SFBDC5000471MX0 | Knowles Syfer | CAP FEEDTHRU 470PF 500V AXIAL |
| Datasheet | |
SFBDC5000472MX0 | Knowles Syfer | CAP FEEDTHRU 4700PF 500V AXIAL |
| Datasheet | |
SFBMC0500473MX0 | Knowles Syfer | CAP FEEDTHRU 0.047UF 50V AXIAL |
| Datasheet | |
SFCDC5000100ZC0 | Knowles Syfer | CAP FEEDTHRU 10PF 500V AXIAL |
| Datasheet | |
SFCDC5000101MC0 | Knowles Syfer | CAP FEEDTHRU 100PF 500V AXIAL |
| Datasheet | |
SFCDC5000222MX0 | Knowles Syfer | CAP FEEDTHRU 2200PF 500V AXIAL |
| Datasheet | |
SFCDC5000472MX0 | Knowles Syfer | CAP FEEDTHRU 4700PF 500V AXIAL |
| - | |
SFCIC5000473MX0 | Knowles Syfer | CAP FEEDTHRU 0.047UF 500V AXIAL |
| Datasheet | |
SFCMC1000224MX0 | Knowles Syfer | CAP FEEDTHRU 0.22UF 100V AXIAL |
| Datasheet | |
SFBMC5000100ZC1 | Knowles Syfer | CAP FEEDTHRU 10PF 500V AXIAL |
| Datasheet | |
SFBMC5000101MC1 | Knowles Syfer | CAP FEEDTHRU 100PF 500V AXIAL |
| Datasheet | |
SFBMC5000102MX1 | Knowles Syfer | CAP FEEDTHRU 1000PF 500V AXIAL |
| Datasheet | |
SFBMC5000222MX1 | Knowles Syfer | CAP FEEDTHRU 2200PF 500V AXIAL |
| Datasheet | |
SFBMC5000471MX1 | Knowles Syfer | CAP FEEDTHRU 470PF 500V AXIAL |
| Datasheet | |
SFBMC5000472MX1 | Knowles Syfer | CAP FEEDTHRU 4700PF 500V AXIAL |
| Datasheet | |
SFCMC5000223MX1 | Knowles Syfer | CAP FEEDTHRU 0.022UF 500V AXIAL |
| Datasheet | |
SFBDC1000223MX0 | Knowles Syfer | CAP FEEDTHRU 0.022UF 100V AXIAL |
| Datasheet | |
SFBDC2000103MX0 | Knowles Syfer | CAP FEEDTHRU 10000PF 200V AXIAL |
| Datasheet | |
SFBDC5000221MC0 | Knowles Syfer | CAP FEEDTHRU 220PF 500V AXIAL |
| Datasheet | |
SFBDC5000470ZC0 | Knowles Syfer | CAP FEEDTHRU 47PF 500V AXIAL |
| Datasheet | |
SFBDC5000680MC0 | Knowles Syfer | CAP FEEDTHRU 68PF 20% 500V AXIAL |
| Datasheet | |
SFCDC5000103MX0 | Knowles Syfer | CAP FEEDTHRU 10000PF 500V AXIAL |
| Datasheet | |
SFCDC5000221MC0 | Knowles Syfer | CAP FEEDTHRU 220PF 500V AXIAL |
| Datasheet | |
SFCDC5000470ZC0 | Knowles Syfer | CAP FEEDTHRU 47PF 500V AXIAL |
| Datasheet | |
SFCDC5000680MC0 | Knowles Syfer | CAP FEEDTHRU 68PF 20% 500V AXIAL |
| - | |
SFCIC3000104MX0 | Knowles Syfer | CAP FEEDTHRU 0.1UF 300V AXIAL |
| Datasheet | |
SFBMC1000223MX1 | Knowles Syfer | CAP FEEDTHRU 0.022UF 100V AXIAL |
| Datasheet | |
SFBMC2000103MX1 | Knowles Syfer | CAP FEEDTHRU 10000PF 200V AXIAL |
| Datasheet | |
SFBMC5000221MC1 | Knowles Syfer | CAP FEEDTHRU 220PF 500V AXIAL |
| Datasheet | |
SFBMC5000470ZC1 | Knowles Syfer | CAP FEEDTHRU 47PF 500V AXIAL |
| Datasheet | |
SFBMC5000680MC1 | Knowles Syfer | CAP FEEDTHRU 68PF 20% 500V AXIAL |
