
Knowles Syfer
- 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.
Product List

- Part#:
SBSGC5000102MXT - Manufacturers:
Knowles Syfer - Description:
SURFACE MOUNT C AND PI FILTER - In Stock:
19997

- Part#:
SFKKC0500333MX0 - Manufacturers:
Knowles Syfer - Description:
CAP FEEDTHRU 0.033UF 50V AXIAL - In Stock:
4322

- Part#:
SFAJC5000101MC0 - Manufacturers:
Knowles Syfer - Description:
CAP FEEDTHRU 100PF 500V AXIAL - In Stock:
5633

- Part#:
SFAKL2000103MX0 - Manufacturers:
Knowles Syfer - Description:
CAP FEEDTHRU 10000PF 200V AXIAL - In Stock:
4502

- Part#:
SFCIC5000683MX1 - Manufacturers:
Knowles Syfer - Description:
CAP FEEDTHRU 0.068UF 500V AXIAL - In Stock:
4373

- Part#:
SFCDC5000680MC1 - Manufacturers:
Knowles Syfer - Description:
CAP FEEDTHRU 68PF 20% 500V AXIAL - In Stock:
4838

- Part#:
SFBLL5000152MX1 - Manufacturers:
Knowles Syfer - Description:
CAP FEEDTHRU 1500PF 500V AXIAL - In Stock:
5598

- Part#:
SFJNL5000333MX0 - Manufacturers:
Knowles Syfer - Description:
CAP FEEDTHRU 0.033UF 500V AXIAL - In Stock:
5115

- Part#:
SFBMP0500663MX0 - Manufacturers:
Knowles Syfer - Description:
CAP FEEDTHRU 0.066UF 50V AXIAL - In Stock:
6378

- Part#:
SFAKC5000221MC1 - Manufacturers:
Knowles Syfer - Description:
CAP FEEDTHRU 220PF 500V AXIAL - In Stock:
5609

- Part#:
SBSGC5000103MXT - Manufacturers:
Knowles Syfer - Description:
SURFACE MOUNT C AND PI FILTER - In Stock:
20453

- Part#:
SFCDL5000330ZC1 - Manufacturers:
Knowles Syfer - Description:
CAP FEEDTHRU 33PF 500V AXIAL - In Stock:
6556

- Part#:
SFBCC5000220ZC1 - Manufacturers:
Knowles Syfer - Description:
CAP FEEDTHRU 22PF 500V AXIAL - In Stock:
5698

- Part#:
SFAJL5000101MC1 - Manufacturers:
Knowles Syfer - Description:
CAP FEEDTHRU 100PF 500V AXIAL - In Stock:
4512

- Part#:
SFNOC1000471ZX0 - Manufacturers:
Knowles Syfer - Description:
CAP FEEDTHRU 470PF 100V AXIAL - In Stock:
5270

- Part#:
SFBLP2000942ZX0 - Manufacturers:
Knowles Syfer - Description:
CAP FEEDTHRU 9400PF 200V AXIAL - In Stock:
4363

- Part#:
SFJNL5000683MX0 - Manufacturers:
Knowles Syfer - Description:
CAP FEEDTHRU 0.068UF 500V AXIAL - In Stock:
5690

- Part#:
SFABC5000150ZC1 - Manufacturers:
Knowles Syfer - Description:
CAP FEEDTHRU 15PF 500V AXIAL - In Stock:
4353

- Part#:
SFBMC2000103MX0 - Manufacturers:
Knowles Syfer - Description:
CAP FEEDTHRU 10000PF 200V AXIAL - In Stock:
4316

- Part#:
SFAJC5000682MX0 - Manufacturers:
Knowles Syfer - Description:
CAP FEEDTHRU 6800PF 500V AXIAL - In Stock:
4875

- Part#:
SFJNL1K00473MX1 - Manufacturers:
Knowles Syfer - Description:
CAP FEEDTHRU 0.047UF 1KV AXIAL - In Stock:
4493

- Part#:
SFAKC5000682MX0 - Manufacturers:
Knowles Syfer - Description:
CAP FEEDTHRU 6800PF 500V AXIAL - In Stock:
6604

- Part#:
SFBLC5000471MX1 - Manufacturers:
Knowles Syfer - Description:
CAP FEEDTHRU 470PF 500V AXIAL - In Stock:
6195

- Part#:
SFAJC5000100ZC1 - Manufacturers:
Knowles Syfer - Description:
CAP FEEDTHRU 10PF 500V AXIAL - In Stock:
4679

- Part#:
SFAJL5000221MC0 - Manufacturers:
Knowles Syfer - Description:
CAP FEEDTHRU 220PF 500V AXIAL - In Stock:
6893

- Part#:
SFAKC5000330ZC0 - Manufacturers:
Knowles Syfer - Description:
CAP FEEDTHRU 33PF 500V AXIAL - In Stock:
6077

- Part#:
SFBMP5000661MC1 - Manufacturers:
Knowles Syfer - Description:
CAP FEEDTHRU 660PF 500V AXIAL - In Stock:
4095

- Part#:
SFBDC5000152MX0 - Manufacturers:
Knowles Syfer - Description:
CAP FEEDTHRU 1500PF 500V AXIAL - In Stock:
4579

- Part#:
SFKKC5000102MX0 - Manufacturers:
Knowles Syfer - Description:
CAP FEEDTHRU 1000PF 500V AXIAL - In Stock:
5845

- Part#:
SFLMC5000682MX0 - Manufacturers:
Knowles Syfer - Description:
CAP FEEDTHRU 6800PF 500V AXIAL - In Stock:
6100

- Part#:
SFBDP5000202MX0 - Manufacturers:
Knowles Syfer - Description:
CAP FEEDTHRU 2000PF 500V AXIAL - In Stock:
4722

- Part#:
SFCDP5000440ZC0 - Manufacturers:
Knowles Syfer - Description:
CAP FEEDTHRU 44PF 500V AXIAL - In Stock:
4611

- Part#:
SFBLC5000220ZC0 - Manufacturers:
Knowles Syfer - Description:
CAP FEEDTHRU 22PF 500V AXIAL - In Stock:
4299

- Part#:
SFCMC5000223MX0 - Manufacturers:
Knowles Syfer - Description:
CAP FEEDTHRU 0.022UF 500V AXIAL - In Stock:
6769

- Part#:
SFBDP5000940ZC1 - Manufacturers:
Knowles Syfer - Description:
CAP FEEDTHRU 94PF 500V AXIAL - In Stock:
4461

- Part#:
SFKKC5000152MX0 - Manufacturers:
Knowles Syfer - Description:
CAP FEEDTHRU 1500PF 500V AXIAL - In Stock:
5099

- Part#:
SBSMC5000152MXR - Manufacturers:
Knowles Syfer - Description:
SURFACE MOUNT C AND PI FILTER - In Stock:
13446

- Part#:
SFBCC5000332MX1 - Manufacturers:
Knowles Syfer - Description:
CAP FEEDTHRU 3300PF 500V AXIAL - In Stock:
6416

- Part#:
SFCMC5000152MX0 - Manufacturers:
Knowles Syfer - Description:
CAP FEEDTHRU 1500PF 500V AXIAL - In Stock:
4623

- Part#:
SFUMC5000221MC0 - Manufacturers:
Knowles Syfer - Description:
CAP FEEDTHRU 220PF 500V AXIAL - In Stock:
6810

- Part#:
SFBDC5000472MX0 - Manufacturers:
Knowles Syfer - Description:
CAP FEEDTHRU 4700PF 500V AXIAL - In Stock:
4172

- Part#:
SFABL5000472MX0 - Manufacturers:
Knowles Syfer - Description:
CAP FEEDTHRU 4700PF 500V AXIAL - In Stock:
4490

- Part#:
SFCIC5000151MC1 - Manufacturers:
Knowles Syfer - Description:
CAP FEEDTHRU 150PF 500V AXIAL - In Stock:
6814

- Part#:
SFABL5000682MX0 - Manufacturers:
Knowles Syfer - Description:
CAP FEEDTHRU 6800PF 500V AXIAL - In Stock:
4826

- Part#:
SFKKC5000470ZC0 - Manufacturers:
Knowles Syfer - Description:
CAP FEEDTHRU 47PF 500V AXIAL - In Stock:
6912

- Part#:
SFCIL5000332MX0 - Manufacturers:
Knowles Syfer - Description:
CAP FEEDTHRU 3300PF 500V AXIAL - In Stock:
6359

- Part#:
SFAJC5000680MC1 - Manufacturers:
Knowles Syfer - Description:
CAP FEEDTHRU 68PF 20% 500V AXIAL - In Stock:
5241

- Part#:
SBSGC5000222MXB - Manufacturers:
Knowles Syfer - Description:
SURFACE MOUNT C AND PI FILTER - In Stock:
12569

- Part#:
SFKKC5000101MC0 - Manufacturers:
Knowles Syfer - Description:
CAP FEEDTHRU 100PF 500V AXIAL - In Stock:
4973