- 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 |  |
SFAJL5000472MX1 | Knowles Syfer | CAP FEEDTHRU 4700PF 500V AXIAL |
| Datasheet | |
SFABL2000153MX0 | Knowles Syfer | CAP FEEDTHRU 0.015UF 200V AXIAL |
| Datasheet | |
SFABL5000331MC0 | Knowles Syfer | CAP FEEDTHRU 330PF 500V AXIAL |
| Datasheet | |
SFABC1000223MX1 | Knowles Syfer | CAP FEEDTHRU 0.022UF 100V AXIAL |
| Datasheet | |
SFABC2000153MX1 | Knowles Syfer | CAP FEEDTHRU 0.015UF 200V AXIAL |
| Datasheet | |
SFABC5000221MC1 | Knowles Syfer | CAP FEEDTHRU 220PF 500V AXIAL |
| Datasheet | |
SFABL5000102MX1 | Knowles Syfer | CAP FEEDTHRU 1000PF 500V AXIAL |
| Datasheet | |
SFABL5000471MX1 | Knowles Syfer | CAP FEEDTHRU 470PF 500V AXIAL |
| Datasheet | |
SFAJL1000223MX1 | Knowles Syfer | CAP FEEDTHRU 0.022UF 100V AXIAL |
| Datasheet | |
SFAJL2000103MX1 | Knowles Syfer | CAP FEEDTHRU 10000PF 200V AXIAL |
| Datasheet | |
SFAJL2000153MX1 | Knowles Syfer | CAP FEEDTHRU 0.015UF 200V AXIAL |
| Datasheet | |
SFAJL5000221MC1 | Knowles Syfer | CAP FEEDTHRU 220PF 500V AXIAL |
| Datasheet | |
SFAJL5000680MC1 | Knowles Syfer | CAP FEEDTHRU 68PF 20% 500V AXIAL |
| Datasheet | |
SFABL0500473MX0 | Knowles Syfer | CAP FEEDTHRU 0.047UF 50V AXIAL |
| Datasheet | |
SFCMC5000102MX0 | Knowles Syfer | CAP FEEDTHRU 1000PF 500V AXIAL |
| Datasheet | |
SFCMC5000471MX0 | Knowles Syfer | CAP FEEDTHRU 470PF 500V AXIAL |
| Datasheet | |
SFABC0500473MX1 | Knowles Syfer | CAP FEEDTHRU 0.047UF 50V AXIAL |
| Datasheet | |
SFABC5000331MC1 | Knowles Syfer | CAP FEEDTHRU 330PF 500V AXIAL |
| Datasheet | |
SFABL5000100ZC1 | Knowles Syfer | CAP FEEDTHRU 10PF 500V AXIAL |
| Datasheet | |
SFABL5000101MC1 | Knowles Syfer | CAP FEEDTHRU 100PF 500V AXIAL |
| Datasheet | |
SFABL5000222MX1 | Knowles Syfer | CAP FEEDTHRU 2200PF 500V AXIAL |
| Datasheet | |
SFABL5000472MX1 | Knowles Syfer | CAP FEEDTHRU 4700PF 500V AXIAL |
| Datasheet | |
SFAJL5000331MC1 | Knowles Syfer | CAP FEEDTHRU 330PF 500V AXIAL |
| Datasheet | |
SFKKC5000102MX0 | Knowles Syfer | CAP FEEDTHRU 1000PF 500V AXIAL |
| Datasheet | |
SFKKC5000222MX0 | Knowles Syfer | CAP FEEDTHRU 2200PF 500V AXIAL |
| Datasheet | |
SFKKC5000471MX0 | Knowles Syfer | CAP FEEDTHRU 470PF 500V AXIAL |
| Datasheet | |
SFKKC5000472MX0 | Knowles Syfer | CAP FEEDTHRU 4700PF 500V AXIAL |
| Datasheet | |
SFCMC5000100ZC0 | Knowles Syfer | CAP FEEDTHRU 10PF 500V AXIAL |
| Datasheet | |
SFCMC5000101MC0 | Knowles Syfer | CAP FEEDTHRU 100PF 500V AXIAL |
| Datasheet | |
SFCMC5000222MX0 | Knowles Syfer | CAP FEEDTHRU 2200PF 500V AXIAL |
| Datasheet | |
SFCMC5000472MX0 | Knowles Syfer | CAP FEEDTHRU 4700PF 500V AXIAL |
| Datasheet | |
SFBMT5000221MC1 | Knowles Syfer | CAP FEEDTHRU 220PF 500V AXIAL |
| Datasheet | |
SFBMT5000680MC1 | Knowles Syfer | CAP FEEDTHRU 68PF 20% 500V AXIAL |
| Datasheet | |
SFCDL5000102MX1 | Knowles Syfer | CAP FEEDTHRU 1000PF 500V AXIAL |
| Datasheet | |
SFCDL5000222MX1 | Knowles Syfer | CAP FEEDTHRU 2200PF 500V AXIAL |
| Datasheet | |
SFCDL5000471MX1 | Knowles Syfer | CAP FEEDTHRU 470PF 500V AXIAL |
| Datasheet | |
SFCDL5000472MX1 | Knowles Syfer | CAP FEEDTHRU 4700PF 500V AXIAL |
| - | |
SFCIL5000223MX1 | Knowles Syfer | CAP FEEDTHRU 0.022UF 500V AXIAL |
| - | |
SFCIL5000473MX1 | Knowles Syfer | CAP FEEDTHRU 0.047UF 500V AXIAL |
| Datasheet | |
SFCML1000224MX1 | Knowles Syfer | CAP FEEDTHRU 0.22UF 100V AXIAL |
| Datasheet | |
SFBDT0500473MX0 | Knowles Syfer | CAP FEEDTHRU 0.047UF 50V AXIAL |
| Datasheet | |
SFBDT5000331MC0 | Knowles Syfer | CAP FEEDTHRU 330PF 500V AXIAL |
| Datasheet | |
SFBDL1000223MX1 | Knowles Syfer | CAP FEEDTHRU 0.022UF 100V AXIAL |
| Datasheet | |
SFBDL2000103MX1 | Knowles Syfer | CAP FEEDTHRU 10000PF 200V AXIAL |
| Datasheet | |
SFBDL5000100ZC1 | Knowles Syfer | CAP FEEDTHRU 10PF 500V AXIAL |
| Datasheet | |
SFBDL5000101MC1 | Knowles Syfer | CAP FEEDTHRU 100PF 500V AXIAL |
| Datasheet | |
SFBDL5000470ZC1 | Knowles Syfer | CAP FEEDTHRU 47PF 500V AXIAL |
| Datasheet | |
SFBDL5000680MC1 | Knowles Syfer | CAP FEEDTHRU 68PF 20% 500V AXIAL |
| Datasheet | |
SFBDT5000102MX1 | Knowles Syfer | CAP FEEDTHRU 1000PF 500V AXIAL |
| Datasheet | |
SFBDT5000222MX1 | Knowles Syfer | CAP FEEDTHRU 2200PF 500V AXIAL |
