- 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 |  |
SFJNL3K00221MC1 | Knowles Syfer | CAP FEEDTHRU 220PF 3KV AXIAL |
| Datasheet | |
SFJNL5000224MX1 | Knowles Syfer | CAP FEEDTHRU 0.22UF 500V AXIAL |
| Datasheet | |
SFJEC3K00151MC0 | Knowles Syfer | CAP FEEDTHRU 150PF 3KV AXIAL |
| Datasheet | |
SFJEL2K00331MC0 | Knowles Syfer | CAP FEEDTHRU 330PF 2KV AXIAL |
| Datasheet | |
SFJEL3K00101MC0 | Knowles Syfer | CAP FEEDTHRU 100PF 3KV AXIAL |
| Datasheet | |
SFJNC3K00151MC0 | Knowles Syfer | CAP FEEDTHRU 150PF 3KV AXIAL |
| Datasheet | |
SFJNL1K00683MX0 | Knowles Syfer | CAP FEEDTHRU 0.068UF 1KV AXIAL |
| Datasheet | |
SFJNL2K00471MC0 | Knowles Syfer | CAP FEEDTHRU 470PF 2KV AXIAL |
| Datasheet | |
SFJNL3K00101MC0 | Knowles Syfer | CAP FEEDTHRU 100PF 3KV AXIAL |
| Datasheet | |
SFJEC2K00102MC1 | Knowles Syfer | CAP FEEDTHRU 1000PF 2KV AXIAL |
| Datasheet | |
SFJEL3K00221MC1 | Knowles Syfer | CAP FEEDTHRU 220PF 3KV AXIAL |
| Datasheet | |
SFJNC2K00102MC1 | Knowles Syfer | CAP FEEDTHRU 1000PF 2KV AXIAL |
| Datasheet | |
SFJNL2K00331MC1 | Knowles Syfer | CAP FEEDTHRU 330PF 2KV AXIAL |
| Datasheet | |
SFJEL1K00683MX0 | Knowles Syfer | CAP FEEDTHRU 0.068UF 1KV AXIAL |
| Datasheet | |
SFJEL2K00471MC0 | Knowles Syfer | CAP FEEDTHRU 470PF 2KV AXIAL |
| Datasheet | |
SFJEC3K00151MC1 | Knowles Syfer | CAP FEEDTHRU 150PF 3KV AXIAL |
| Datasheet | |
SFJEL2K00331MC1 | Knowles Syfer | CAP FEEDTHRU 330PF 2KV AXIAL |
| Datasheet | |
SFJEL3K00101MC1 | Knowles Syfer | CAP FEEDTHRU 100PF 3KV AXIAL |
| Datasheet | |
SFJNC3K00151MC1 | Knowles Syfer | CAP FEEDTHRU 150PF 3KV AXIAL |
| Datasheet | |
SFJNL1K00683MX1 | Knowles Syfer | CAP FEEDTHRU 0.068UF 1KV AXIAL |
| Datasheet | |
SFJNL2K00471MC1 | Knowles Syfer | CAP FEEDTHRU 470PF 2KV AXIAL |
| Datasheet | |
SFJNL3K00101MC1 | Knowles Syfer | CAP FEEDTHRU 100PF 3KV AXIAL |
| Datasheet | |
SFJNL2K00681MC0 | Knowles Syfer | CAP FEEDTHRU 680PF 2KV AXIAL |
| Datasheet | |
SFJEL1K00683MX1 | Knowles Syfer | CAP FEEDTHRU 0.068UF 1KV AXIAL |
| Datasheet | |
SFJEL2K00471MC1 | Knowles Syfer | CAP FEEDTHRU 470PF 2KV AXIAL |
| Datasheet | |
SFJEC3000474MX0 | Knowles Syfer | CAP FEEDTHRU 0.47UF 300V AXIAL |
| Datasheet | |
SFJEL2K00681MC0 | Knowles Syfer | CAP FEEDTHRU 680PF 2KV AXIAL |
| Datasheet | |
SFJNL2K00681MC1 | Knowles Syfer | CAP FEEDTHRU 680PF 2KV AXIAL |
| Datasheet | |
SFJEC2000684MX0 | Knowles Syfer | CAP FEEDTHRU 0.68UF 200V AXIAL |
| Datasheet | |
SFJNL2K00102MC0 | Knowles Syfer | CAP FEEDTHRU 1000PF 2KV AXIAL |
| Datasheet | |
SFJEC3000474MX1 | Knowles Syfer | CAP FEEDTHRU 0.47UF 300V AXIAL |
| Datasheet | |
SFJEL2K00681MC1 | Knowles Syfer | CAP FEEDTHRU 680PF 2KV AXIAL |
| Datasheet | |
SFJEL2K00102MC0 | Knowles Syfer | CAP FEEDTHRU 1000PF 2KV AXIAL |
| Datasheet | |
SFJEL3K00151MC0 | Knowles Syfer | CAP FEEDTHRU 150PF 3KV AXIAL |
| Datasheet | |
SFJNL3K00151MC0 | Knowles Syfer | CAP FEEDTHRU 150PF 3KV AXIAL |
| Datasheet | |
SFJEC2000684MX1 | Knowles Syfer | CAP FEEDTHRU 0.68UF 200V AXIAL |
| Datasheet | |
SFJNL2K00102MC1 | Knowles Syfer | CAP FEEDTHRU 1000PF 2KV AXIAL |
| Datasheet | |
SFJEL2K00102MC1 | Knowles Syfer | CAP FEEDTHRU 1000PF 2KV AXIAL |
| Datasheet | |
SFJEL3K00151MC1 | Knowles Syfer | CAP FEEDTHRU 150PF 3KV AXIAL |
| Datasheet | |
SFJNL3K00151MC1 | Knowles Syfer | CAP FEEDTHRU 150PF 3KV AXIAL |
| Datasheet | |
SFJEL3000474MX0 | Knowles Syfer | CAP FEEDTHRU 0.47UF 300V AXIAL |
| Datasheet | |
SFJNL3000474MX0 | Knowles Syfer | CAP FEEDTHRU 0.47UF 300V AXIAL |
| Datasheet | |
SFJEL2000684MX0 | Knowles Syfer | CAP FEEDTHRU 0.68UF 200V AXIAL |
| Datasheet | |
SFJNL2000684MX0 | Knowles Syfer | CAP FEEDTHRU 0.68UF 200V AXIAL |
| Datasheet | |
SFJEL3000474MX1 | Knowles Syfer | CAP FEEDTHRU 0.47UF 300V AXIAL |
| Datasheet | |
SFJNL3000474MX1 | Knowles Syfer | CAP FEEDTHRU 0.47UF 300V AXIAL |
| Datasheet | |
SFJEL2000684MX1 | Knowles Syfer | CAP FEEDTHRU 0.68UF 200V AXIAL |
| Datasheet | |
SFJNL2000684MX1 | Knowles Syfer | CAP FEEDTHRU 0.68UF 200V AXIAL |
