
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#:
SFCML5000330ZC0 - Manufacturers:
Knowles Syfer - Description:
CAP FEEDTHRU 33PF 500V AXIAL - In Stock:
3902

- Part#:
SFBMC5000102MX1 - Manufacturers:
Knowles Syfer - Description:
CAP FEEDTHRU 1000PF 500V AXIAL - In Stock:
6459

- Part#:
SFBML0500333MX1 - Manufacturers:
Knowles Syfer - Description:
CAP FEEDTHRU 0.033UF 50V AXIAL - In Stock:
4533

- Part#:
SFCDP5000941MX1 - Manufacturers:
Knowles Syfer - Description:
CAP FEEDTHRU 940PF 500V AXIAL - In Stock:
4784

- Part#:
SFKBC2000153MX0 - Manufacturers:
Knowles Syfer - Description:
CAP FEEDTHRU 0.015UF 200V AXIAL - In Stock:
5951

- Part#:
SFKBL5000100ZC0 - Manufacturers:
Knowles Syfer - Description:
CAP FEEDTHRU 10PF 500V AXIAL - In Stock:
5813

- Part#:
SFBLL0500333MX0 - Manufacturers:
Knowles Syfer - Description:
CAP FEEDTHRU 0.033UF 50V AXIAL - In Stock:
5517

- Part#:
SFBMC5000152MX0 - Manufacturers:
Knowles Syfer - Description:
CAP FEEDTHRU 1500PF 500V AXIAL - In Stock:
4200

- Part#:
SFTMC5000100ZC0 - Manufacturers:
Knowles Syfer - Description:
CAP FEEDTHRU 10PF 500V AXIAL - In Stock:
5566

- Part#:
SFCML5000331MC0 - Manufacturers:
Knowles Syfer - Description:
CAP FEEDTHRU 330PF 500V AXIAL - In Stock:
4120

- Part#:
SFJNC1K00473MX1 - Manufacturers:
Knowles Syfer - Description:
CAP FEEDTHRU 0.047UF 1KV AXIAL - In Stock:
6476

- Part#:
SFCIL5000220ZC1 - Manufacturers:
Knowles Syfer - Description:
CAP FEEDTHRU 22PF 500V AXIAL - In Stock:
4657

- Part#:
SFLMP5000662MX0 - Manufacturers:
Knowles Syfer - Description:
CAP FEEDTHRU 6600PF 500V AXIAL - In Stock:
4211

- Part#:
SFCDL5000220ZC0 - Manufacturers:
Knowles Syfer - Description:
CAP FEEDTHRU 22PF 500V AXIAL - In Stock:
6567

- Part#:
SFBDT5000330ZC0 - Manufacturers:
Knowles Syfer - Description:
CAP FEEDTHRU 33PF 500V AXIAL - In Stock:
3788

- Part#:
SFJEL5000154MX0 - Manufacturers:
Knowles Syfer - Description:
CAP FEEDTHRU 0.15UF 500V AXIAL - In Stock:
4819

- Part#:
SFCIL5000151MC0 - Manufacturers:
Knowles Syfer - Description:
CAP FEEDTHRU 150PF 500V AXIAL - In Stock:
5848

- Part#:
0805J1000470MCTE01 - Manufacturers:
Knowles Syfer - Description:
CAP CER - In Stock:
423683

- Part#:
SFCMC5000150ZC0 - Manufacturers:
Knowles Syfer - Description:
CAP FEEDTHRU 15PF 500V AXIAL - In Stock:
6216

- Part#:
SFCML5000681MX1 - Manufacturers:
Knowles Syfer - Description:
CAP FEEDTHRU 680PF 500V AXIAL - In Stock:
4216

- Part#:
SFCDP5000302MX1 - Manufacturers:
Knowles Syfer - Description:
CAP FEEDTHRU 3000PF 500V AXIAL - In Stock:
3789

- Part#:
SFBDC0500473MX0 - Manufacturers:
Knowles Syfer - Description:
CAP FEEDTHRU 0.047UF 50V AXIAL - In Stock:
5929

- Part#:
SFBDL0500473MX0 - Manufacturers:
Knowles Syfer - Description:
CAP FEEDTHRU 0.047UF 50V AXIAL - In Stock:
4424

- Part#:
SFAKC0500333MX0 - Manufacturers:
Knowles Syfer - Description:
CAP FEEDTHRU 0.033UF 50V AXIAL - In Stock:
6593

- Part#:
SFBMP5000660ZC0 - Manufacturers:
Knowles Syfer - Description:
CAP FEEDTHRU 66PF 500V AXIAL - In Stock:
5954

- Part#:
SFJEC3K00151MC1 - Manufacturers:
Knowles Syfer - Description:
CAP FEEDTHRU 150PF 3KV AXIAL - In Stock:
4449

- Part#:
SFCMC5000471MX0 - Manufacturers:
Knowles Syfer - Description:
CAP FEEDTHRU 470PF 500V AXIAL - In Stock:
5142

- Part#:
SFSTC3000682MX0 - Manufacturers:
Knowles Syfer - Description:
CAP FEEDTHRU 6800PF 300V AXIAL - In Stock:
6850

- Part#:
SFKKL5000100ZC0 - Manufacturers:
Knowles Syfer - Description:
CAP FEEDTHRU 10PF 500V AXIAL - In Stock:
5157

- Part#:
SFCML5000100ZC1 - Manufacturers:
Knowles Syfer - Description:
CAP FEEDTHRU 10PF 500V AXIAL - In Stock:
5500

- Part#:
SFAAC5000680MC0 - Manufacturers:
Knowles Syfer - Description:
CAP FEEDTHRU 68PF 20% 500V AXIAL - In Stock:
6363

- Part#:
SFBDT5000471MX0 - Manufacturers:
Knowles Syfer - Description:
CAP FEEDTHRU 470PF 500V AXIAL - In Stock:
5302

- Part#:
SFAJC5000150ZC1 - Manufacturers:
Knowles Syfer - Description:
CAP FEEDTHRU 15PF 500V AXIAL - In Stock:
4231

- Part#:
SFBLL5000222MX0 - Manufacturers:
Knowles Syfer - Description:
CAP FEEDTHRU 2200PF 500V AXIAL - In Stock:
4283

- Part#:
SFJNC3K00101MC0 - Manufacturers:
Knowles Syfer - Description:
CAP FEEDTHRU 100PF 3KV AXIAL - In Stock:
5654

- Part#:
SFCDC1000224MX1 - Manufacturers:
Knowles Syfer - Description:
CAP FEEDTHRU 0.22UF 100V AXIAL - In Stock:
5065

- Part#:
SFBDL2000153MX0 - Manufacturers:
Knowles Syfer - Description:
CAP FEEDTHRU 0.015UF 200V AXIAL - In Stock:
4159

- Part#:
SBSGP5000223MXB - Manufacturers:
Knowles Syfer - Description:
SURFACE MOUNT C AND PI FILTER - In Stock:
17993

- Part#:
SFCML5000100ZC0 - Manufacturers:
Knowles Syfer - Description:
CAP FEEDTHRU 10PF 500V AXIAL - In Stock:
4425

- Part#:
SFCMC2000154MX0 - Manufacturers:
Knowles Syfer - Description:
CAP FEEDTHRU 0.15UF 200V AXIAL - In Stock:
5599

- Part#:
SFBMC1000223MX0 - Manufacturers:
Knowles Syfer - Description:
CAP FEEDTHRU 0.022UF 100V AXIAL - In Stock:
4108

- Part#:
SFABC5000330ZC0 - Manufacturers:
Knowles Syfer - Description:
CAP FEEDTHRU 33PF 500V AXIAL - In Stock:
5520

- Part#:
SFAAC5000151MC0 - Manufacturers:
Knowles Syfer - Description:
CAP FEEDTHRU 150PF 500V AXIAL - In Stock:
5306

- Part#:
SBSMC5000223MXT - Manufacturers:
Knowles Syfer - Description:
SURFACE MOUNT C AND PI FILTER - In Stock:
15897

- Part#:
SFBDP5000200ZC1 - Manufacturers:
Knowles Syfer - Description:
CAP FEEDTHRU 20PF 500V AXIAL - In Stock:
4656

- Part#:
SFJEL1K00333MX1 - Manufacturers:
Knowles Syfer - Description:
CAP FEEDTHRU 0.033UF 1KV AXIAL - In Stock:
5817

- Part#:
SFAAC2000103MX0 - Manufacturers:
Knowles Syfer - Description:
CAP FEEDTHRU 10000PF 200V AXIAL - In Stock:
5640

- Part#:
SFJNC5000333MX1 - Manufacturers:
Knowles Syfer - Description:
CAP FEEDTHRU 0.033UF 500V AXIAL - In Stock:
5519

- Part#:
SFLMC5000102MX0 - Manufacturers:
Knowles Syfer - Description:
CAP FEEDTHRU 1000PF 500V AXIAL - In Stock:
6807

- Part#:
SFCIL5000331MC0 - Manufacturers:
Knowles Syfer - Description:
CAP FEEDTHRU 330PF 500V AXIAL - In Stock:
3872