- 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 |  |
SFBDT5000471MX1 | Knowles Syfer | CAP FEEDTHRU 470PF 500V AXIAL |
| Datasheet | |
SFBMT5000331MC1 | Knowles Syfer | CAP FEEDTHRU 330PF 500V AXIAL |
| Datasheet | |
SFCDL5000100ZC1 | Knowles Syfer | CAP FEEDTHRU 10PF 500V AXIAL |
| Datasheet | |
SFCDL5000101MC1 | Knowles Syfer | CAP FEEDTHRU 100PF 500V AXIAL |
| Datasheet | |
SFCDL5000103MX1 | Knowles Syfer | CAP FEEDTHRU 10000PF 500V AXIAL |
| Datasheet | |
SFCDL5000470ZC1 | Knowles Syfer | CAP FEEDTHRU 47PF 500V AXIAL |
| Datasheet | |
SFCDL5000680MC1 | Knowles Syfer | CAP FEEDTHRU 68PF 20% 500V AXIAL |
| - | |
SFCIC0500474MX1 | Knowles Syfer | CAP FEEDTHRU 0.47UF 50V AXIAL |
| - | |
SFCIL3000104MX1 | Knowles Syfer | CAP FEEDTHRU 0.1UF 300V AXIAL |
| Datasheet | |
SFCML0500474MX0 | Knowles Syfer | CAP FEEDTHRU 0.47UF 50V AXIAL |
| Datasheet | |
SFBDL2000153MX1 | Knowles Syfer | CAP FEEDTHRU 0.015UF 200V AXIAL |
| Datasheet | |
SFBDL5000221MC1 | Knowles Syfer | CAP FEEDTHRU 220PF 500V AXIAL |
| Datasheet | |
SFBDT5000100ZC1 | Knowles Syfer | CAP FEEDTHRU 10PF 500V AXIAL |
| Datasheet | |
SFBDT5000101MC1 | Knowles Syfer | CAP FEEDTHRU 100PF 500V AXIAL |
| Datasheet | |
SFBDT5000470ZC1 | Knowles Syfer | CAP FEEDTHRU 47PF 500V AXIAL |
| Datasheet | |
SFBDT5000472MX1 | Knowles Syfer | CAP FEEDTHRU 4700PF 500V AXIAL |
| Datasheet | |
SFBDT5000680MC1 | Knowles Syfer | CAP FEEDTHRU 68PF 20% 500V AXIAL |
| Datasheet | |
SFBMT0500473MX1 | Knowles Syfer | CAP FEEDTHRU 0.047UF 50V AXIAL |
| Datasheet | |
SFCDL5000221MC1 | Knowles Syfer | CAP FEEDTHRU 220PF 500V AXIAL |
| - | |
SFCIL1000224MX1 | Knowles Syfer | CAP FEEDTHRU 0.22UF 100V AXIAL |
| Datasheet | |
SFBDL0500473MX1 | Knowles Syfer | CAP FEEDTHRU 0.047UF 50V AXIAL |
| Datasheet | |
SFBDL5000331MC1 | Knowles Syfer | CAP FEEDTHRU 330PF 500V AXIAL |
| Datasheet | |
SFBDT1000223MX1 | Knowles Syfer | CAP FEEDTHRU 0.022UF 100V AXIAL |
| Datasheet | |
SFBDT2000103MX1 | Knowles Syfer | CAP FEEDTHRU 10000PF 200V AXIAL |
| Datasheet | |
SFBDT2000153MX1 | Knowles Syfer | CAP FEEDTHRU 0.015UF 200V AXIAL |
| Datasheet | |
SFBDT5000221MC1 | Knowles Syfer | CAP FEEDTHRU 220PF 500V AXIAL |
| Datasheet | |
SFCDL5000331MC1 | Knowles Syfer | CAP FEEDTHRU 330PF 500V AXIAL |
| Datasheet | |
SFLMP5000202MX0 | Knowles Syfer | CAP FEEDTHRU 2000PF 500V AXIAL |
| Datasheet | |
SFLMP5000442MX0 | Knowles Syfer | CAP FEEDTHRU 4400PF 500V AXIAL |
| Datasheet | |
SFLMP5000941MX0 | Knowles Syfer | CAP FEEDTHRU 940PF 500V AXIAL |
| - | |
SFCIL0500474MX0 | Knowles Syfer | CAP FEEDTHRU 0.47UF 50V AXIAL |
| Datasheet | |
SFBDT0500473MX1 | Knowles Syfer | CAP FEEDTHRU 0.047UF 50V AXIAL |
| Datasheet | |
SFBDT5000331MC1 | Knowles Syfer | CAP FEEDTHRU 330PF 500V AXIAL |
| Datasheet | |
SFLMP5000942MX0 | Knowles Syfer | CAP FEEDTHRU 9400PF 500V AXIAL |
| Datasheet | |
SFCML0500474MX1 | Knowles Syfer | CAP FEEDTHRU 0.47UF 50V AXIAL |
| Datasheet | |
SFLMP5000200ZC0 | Knowles Syfer | CAP FEEDTHRU 20PF 500V AXIAL |
| Datasheet | |
SFLMP5000201MC0 | Knowles Syfer | CAP FEEDTHRU 200PF 500V AXIAL |
| Datasheet | |
SFLMP5000940ZC0 | Knowles Syfer | CAP FEEDTHRU 94PF 500V AXIAL |
| Datasheet | |
SFCDC5000223MX0 | Knowles Syfer | CAP FEEDTHRU 0.022UF 500V AXIAL |
| Datasheet | |
SFLMP1000443MX0 | Knowles Syfer | CAP FEEDTHRU 0.044UF 100V AXIAL |
| Datasheet | |
SFLMP2000203MX0 | Knowles Syfer | CAP FEEDTHRU 0.02UF 200V AXIAL |
| Datasheet | |
SFLMP500136PMC0 | Knowles Syfer | CAP FEEDTHRU 136PF 500V AXIAL |
| Datasheet | |
SFCDC5000473MX0 | Knowles Syfer | CAP FEEDTHRU 0.047UF 500V AXIAL |
| - | |
SFCIL0500474MX1 | Knowles Syfer | CAP FEEDTHRU 0.47UF 50V AXIAL |
| Datasheet | |
SFLMP2000303MX0 | Knowles Syfer | CAP FEEDTHRU 0.03UF 200V AXIAL |
| Datasheet | |
SFLMP5000441MC0 | Knowles Syfer | CAP FEEDTHRU 440PF 500V AXIAL |
| Datasheet | |
SFCDC3000104MX0 | Knowles Syfer | CAP FEEDTHRU 0.1UF 300V AXIAL |
| Datasheet | |
SFCDC1000224MX0 | Knowles Syfer | CAP FEEDTHRU 0.22UF 100V AXIAL |
| Datasheet | |
SFCDC5000223MX1 | Knowles Syfer | CAP FEEDTHRU 0.022UF 500V AXIAL |
| Datasheet | |
SFLMP5000661MC0 | Knowles Syfer | CAP FEEDTHRU 660PF 500V AXIAL |
