
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#:
SFBDL5000471MX0 - Manufacturers:
Knowles Syfer - Description:
CAP FEEDTHRU 470PF 500V AXIAL - In Stock:
4687

- Part#:
SFCMC5000152MX1 - Manufacturers:
Knowles Syfer - Description:
CAP FEEDTHRU 1500PF 500V AXIAL - In Stock:
5732

- Part#:
SFCDC2000154MX1 - Manufacturers:
Knowles Syfer - Description:
CAP FEEDTHRU 0.15UF 200V AXIAL - In Stock:
6425

- Part#:
SFABL5000100ZC1 - Manufacturers:
Knowles Syfer - Description:
CAP FEEDTHRU 10PF 500V AXIAL - In Stock:
4598

- Part#:
SFBCC5000222MX0 - Manufacturers:
Knowles Syfer - Description:
CAP FEEDTHRU 2200PF 500V AXIAL - In Stock:
6762

- Part#:
SFBDP5000942MX1 - Manufacturers:
Knowles Syfer - Description:
CAP FEEDTHRU 9400PF 500V AXIAL - In Stock:
5143

- Part#:
SFBMP5000661MC0 - Manufacturers:
Knowles Syfer - Description:
CAP FEEDTHRU 660PF 500V AXIAL - In Stock:
4424

- Part#:
SFJNC1K00333MX0 - Manufacturers:
Knowles Syfer - Description:
CAP FEEDTHRU 0.033UF 1KV AXIAL - In Stock:
4797

- Part#:
SFCIL5000680MC1 - Manufacturers:
Knowles Syfer - Description:
CAP FEEDTHRU 68PF 20% 500V AXIAL - In Stock:
5879

- Part#:
SFJNL2K00103MX1 - Manufacturers:
Knowles Syfer - Description:
CAP FEEDTHRU 10000PF 2KV AXIAL - In Stock:
5066

- Part#:
SFBDP5000201MC0 - Manufacturers:
Knowles Syfer - Description:
CAP FEEDTHRU 200PF 500V AXIAL - In Stock:
5856

- Part#:
SFBML5000472MX0 - Manufacturers:
Knowles Syfer - Description:
CAP FEEDTHRU 4700PF 500V AXIAL - In Stock:
6767

- Part#:
SFAKL5000100ZC0 - Manufacturers:
Knowles Syfer - Description:
CAP FEEDTHRU 10PF 500V AXIAL - In Stock:
6456

- Part#:
SFJEC5000103MX0 - Manufacturers:
Knowles Syfer - Description:
CAP FEEDTHRU 10000PF 500V AXIAL - In Stock:
4512

- Part#:
0805J1000221MCTE01 - Manufacturers:
Knowles Syfer - Description:
CAP CER - In Stock:
247185

- Part#:
SFBDC0500333MX1 - Manufacturers:
Knowles Syfer - Description:
CAP FEEDTHRU 0.033UF 50V AXIAL - In Stock:
6736

- Part#:
SFLMT2000153MX0 - Manufacturers:
Knowles Syfer - Description:
CAP FEEDTHRU 0.015UF 200V AXIAL - In Stock:
4467

- Part#:
SFBMP5000941MX0 - Manufacturers:
Knowles Syfer - Description:
CAP FEEDTHRU 940PF 500V AXIAL - In Stock:
5089

- Part#:
SFCDL1000224MX0 - Manufacturers:
Knowles Syfer - Description:
CAP FEEDTHRU 0.22UF 100V AXIAL - In Stock:
5794

- Part#:
SFKBL5000681MX0 - Manufacturers:
Knowles Syfer - Description:
CAP FEEDTHRU 680PF 500V AXIAL - In Stock:
4704

- Part#:
SFBCC2000153MX1 - Manufacturers:
Knowles Syfer - Description:
CAP FEEDTHRU 0.015UF 200V AXIAL - In Stock:
4756

- Part#:
SFBLC0500333MX0 - Manufacturers:
Knowles Syfer - Description:
CAP FEEDTHRU 0.033UF 50V AXIAL - In Stock:
6695

- Part#:
SFBLL5000332MX0 - Manufacturers:
Knowles Syfer - Description:
CAP FEEDTHRU 3300PF 500V AXIAL - In Stock:
6470

- Part#:
SFAKC5000150ZC1 - Manufacturers:
Knowles Syfer - Description:
CAP FEEDTHRU 15PF 500V AXIAL - In Stock:
5522

- Part#:
SFJNL3000474MX1 - Manufacturers:
Knowles Syfer - Description:
CAP FEEDTHRU 0.47UF 300V AXIAL - In Stock:
6681

- Part#:
SFCDL5000221MC0 - Manufacturers:
Knowles Syfer - Description:
CAP FEEDTHRU 220PF 500V AXIAL - In Stock:
5627

- Part#:
SFAJC2000103MX1 - Manufacturers:
Knowles Syfer - Description:
CAP FEEDTHRU 10000PF 200V AXIAL - In Stock:
4456

- Part#:
SFCIL2000154MX1 - Manufacturers:
Knowles Syfer - Description:
CAP FEEDTHRU 0.15UF 200V AXIAL - In Stock:
4643

- Part#:
SBSMC5000682MXT - Manufacturers:
Knowles Syfer - Description:
SURFACE MOUNT C AND PI FILTER - In Stock:
11824

- Part#:
SFABL5000332MX1 - Manufacturers:
Knowles Syfer - Description:
CAP FEEDTHRU 3300PF 500V AXIAL - In Stock:
6634

- Part#:
SFBDT5000101MC1 - Manufacturers:
Knowles Syfer - Description:
CAP FEEDTHRU 100PF 500V AXIAL - In Stock:
5344

- Part#:
SFBDT5000681MX0 - Manufacturers:
Knowles Syfer - Description:
CAP FEEDTHRU 680PF 500V AXIAL - In Stock:
5789

- Part#:
SFCML5000682MX1 - Manufacturers:
Knowles Syfer - Description:
CAP FEEDTHRU 6800PF 500V AXIAL - In Stock:
4307

- Part#:
SFBDP0500943MX0 - Manufacturers:
Knowles Syfer - Description:
CAP FEEDTHRU 0.094UF 50V AXIAL - In Stock:
4612

- Part#:
SBSMC5000103MXR - Manufacturers:
Knowles Syfer - Description:
SURFACE MOUNT C AND PI FILTER - In Stock:
16774

- Part#:
SFCDC5000332MX1 - Manufacturers:
Knowles Syfer - Description:
CAP FEEDTHRU 3300PF 500V AXIAL - In Stock:
5380

- Part#:
SFABC1000223MX0 - Manufacturers:
Knowles Syfer - Description:
CAP FEEDTHRU 0.022UF 100V AXIAL - In Stock:
5679

- Part#:
SBSGC5000472MXB - Manufacturers:
Knowles Syfer - Description:
SURFACE MOUNT C AND PI FILTER - In Stock:
11178

- Part#:
SFBCC2000103MX1 - Manufacturers:
Knowles Syfer - Description:
CAP FEEDTHRU 10000PF 200V AXIAL - In Stock:
6346

- Part#:
SFBLP5000440ZC0 - Manufacturers:
Knowles Syfer - Description:
CAP FEEDTHRU 44PF 500V AXIAL - In Stock:
4952

- Part#:
SBSGC1000104MXR - Manufacturers:
Knowles Syfer - Description:
SURFACE MOUNT C AND PI FILTER - In Stock:
28989

- Part#:
SFNOC0500103ZX0 - Manufacturers:
Knowles Syfer - Description:
CAP FEEDTHRU 10000PF 50V AXIAL - In Stock:
4531

- Part#:
SFCIL5000683MX0 - Manufacturers:
Knowles Syfer - Description:
CAP FEEDTHRU 0.068UF 500V AXIAL - In Stock:
5710

- Part#:
SFCML5000220ZC0 - Manufacturers:
Knowles Syfer - Description:
CAP FEEDTHRU 22PF 500V AXIAL - In Stock:
6260

- Part#:
SFJEL5000334MX0 - Manufacturers:
Knowles Syfer - Description:
CAP FEEDTHRU 0.33UF 500V AXIAL - In Stock:
6626

- Part#:
SFUMC5000470ZC0 - Manufacturers:
Knowles Syfer - Description:
CAP FEEDTHRU 47PF 500V AXIAL - In Stock:
6079

- Part#:
SFAKC5000332MX0 - Manufacturers:
Knowles Syfer - Description:
CAP FEEDTHRU 3300PF 500V AXIAL - In Stock:
5088

- Part#:
SFABL5000330ZC1 - Manufacturers:
Knowles Syfer - Description:
CAP FEEDTHRU 33PF 500V AXIAL - In Stock:
3956

- Part#:
SFBMT5000470ZC1 - Manufacturers:
Knowles Syfer - Description:
CAP FEEDTHRU 47PF 500V AXIAL - In Stock:
6508

- Part#:
SFBLC5000150ZC0 - Manufacturers:
Knowles Syfer - Description:
CAP FEEDTHRU 15PF 500V AXIAL - In Stock:
5074