
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#:
SFJEC2K00152MX1 - Manufacturers:
Knowles Syfer - Description:
CAP FEEDTHRU 1500PF 2KV AXIAL - In Stock:
4337

- Part#:
SFBMT1000223MX0 - Manufacturers:
Knowles Syfer - Description:
CAP FEEDTHRU 0.022UF 100V AXIAL - In Stock:
5516

- Part#:
SFJEC1000105MX0 - Manufacturers:
Knowles Syfer - Description:
CAP FEEDTHRU 1UF 20% 100V AXIAL - In Stock:
4429

- Part#:
SFKBL5000152MX0 - Manufacturers:
Knowles Syfer - Description:
CAP FEEDTHRU 1500PF 500V AXIAL - In Stock:
6425

- Part#:
SFJEL1K00223MX1 - Manufacturers:
Knowles Syfer - Description:
CAP FEEDTHRU 0.022UF 1KV AXIAL - In Stock:
4327

- Part#:
SFCIL5000150ZC1 - Manufacturers:
Knowles Syfer - Description:
CAP FEEDTHRU 15PF 500V AXIAL - In Stock:
5188

- Part#:
SFBDL5000680MC0 - Manufacturers:
Knowles Syfer - Description:
CAP FEEDTHRU 68PF 20% 500V AXIAL - In Stock:
6920

- Part#:
SFCDP50013N6MX0 - Manufacturers:
Knowles Syfer - Description:
CAP FEEDTHRU 0.0136UF 500V AXIAL - In Stock:
5213

- Part#:
SFTMC5000680MC0 - Manufacturers:
Knowles Syfer - Description:
CAP FEEDTHRU 68PF 20% 500V AXIAL - In Stock:
5133

- Part#:
1206J0500473MXTE01 - Manufacturers:
Knowles Syfer - Description:
CAP FEEDTHRU 0.047UF 50V 1206 - In Stock:
206982

- Part#:
SFBDT5000150ZC1 - Manufacturers:
Knowles Syfer - Description:
CAP FEEDTHRU 15PF 500V AXIAL - In Stock:
5446

- Part#:
SFAKC5000680MC1 - Manufacturers:
Knowles Syfer - Description:
CAP FEEDTHRU 68PF 20% 500V AXIAL - In Stock:
5968

- Part#:
SFBCC5000680MC1 - Manufacturers:
Knowles Syfer - Description:
CAP FEEDTHRU 68PF 20% 500V AXIAL - In Stock:
5185

- Part#:
SFBDC1000223MX0 - Manufacturers:
Knowles Syfer - Description:
CAP FEEDTHRU 0.022UF 100V AXIAL - In Stock:
4566

- Part#:
SFCMC5000150ZC1 - Manufacturers:
Knowles Syfer - Description:
CAP FEEDTHRU 15PF 500V AXIAL - In Stock:
4033

- Part#:
SFCMC5000221MC0 - Manufacturers:
Knowles Syfer - Description:
CAP FEEDTHRU 220PF 500V AXIAL - In Stock:
6368

- Part#:
SFBDP2000203MX1 - Manufacturers:
Knowles Syfer - Description:
CAP FEEDTHRU 0.02UF 200V AXIAL - In Stock:
4571

- Part#:
SFJNL1000105MX1 - Manufacturers:
Knowles Syfer - Description:
CAP FEEDTHRU 1UF 20% 100V AXIAL - In Stock:
4693

- Part#:
SFABL5000471MX0 - Manufacturers:
Knowles Syfer - Description:
CAP FEEDTHRU 470PF 500V AXIAL - In Stock:
4701

- Part#:
SFCDP2000303MX1 - Manufacturers:
Knowles Syfer - Description:
CAP FEEDTHRU 0.03UF 200V AXIAL - In Stock:
6401

- Part#:
SBSGC5000103MXR - Manufacturers:
Knowles Syfer - Description:
SURFACE MOUNT C AND PI FILTER - In Stock:
20221

- Part#:
SFBMC5000682MX0 - Manufacturers:
Knowles Syfer - Description:
CAP FEEDTHRU 6800PF 500V AXIAL - In Stock:
6689

- Part#:
SFBLC5000680MC1 - Manufacturers:
Knowles Syfer - Description:
CAP FEEDTHRU 68PF 20% 500V AXIAL - In Stock:
3956

- Part#:
SFBCC5000220ZC0 - Manufacturers:
Knowles Syfer - Description:
CAP FEEDTHRU 22PF 500V AXIAL - In Stock:
5697

- Part#:
SFABC2000153MX1 - Manufacturers:
Knowles Syfer - Description:
CAP FEEDTHRU 0.015UF 200V AXIAL - In Stock:
6823

- Part#:
SFBLL5000152MX0 - Manufacturers:
Knowles Syfer - Description:
CAP FEEDTHRU 1500PF 500V AXIAL - In Stock:
6224

- Part#:
SFBLL2000103MX1 - Manufacturers:
Knowles Syfer - Description:
CAP FEEDTHRU 10000PF 200V AXIAL - In Stock:
6870

- Part#:
SFBCP2000201ZC0 - Manufacturers:
Knowles Syfer - Description:
CAP FEEDTHRU 200PF 200V AXIAL - In Stock:
5165

- Part#:
SFLMT5000220ZC0 - Manufacturers:
Knowles Syfer - Description:
CAP FEEDTHRU 22PF 500V AXIAL - In Stock:
6750

- Part#:
SFJNL5000473MX1 - Manufacturers:
Knowles Syfer - Description:
CAP FEEDTHRU 0.047UF 500V AXIAL - In Stock:
6319

- Part#:
SFBCC5000472MX0 - Manufacturers:
Knowles Syfer - Description:
CAP FEEDTHRU 4700PF 500V AXIAL - In Stock:
5398

- Part#:
SFABL5000681MX0 - Manufacturers:
Knowles Syfer - Description:
CAP FEEDTHRU 680PF 500V AXIAL - In Stock:
4537

- Part#:
SFCIC5000103MX1 - Manufacturers:
Knowles Syfer - Description:
CAP FEEDTHRU 10000PF 500V AXIAL - In Stock:
3779

- Part#:
SFCMC5000153MX0 - Manufacturers:
Knowles Syfer - Description:
CAP FEEDTHRU 0.015UF 500V AXIAL - In Stock:
6423

- Part#:
SFCDC5000103MX0 - Manufacturers:
Knowles Syfer - Description:
CAP FEEDTHRU 10000PF 500V AXIAL - In Stock:
4476

- Part#:
SFKKL5000472MX0 - Manufacturers:
Knowles Syfer - Description:
CAP FEEDTHRU 4700PF 500V AXIAL - In Stock:
5089

- Part#:
SFBLC5000470ZC0 - Manufacturers:
Knowles Syfer - Description:
CAP FEEDTHRU 47PF 500V AXIAL - In Stock:
6395

- Part#:
SFKBC5000150ZC0 - Manufacturers:
Knowles Syfer - Description:
CAP FEEDTHRU 15PF 500V AXIAL - In Stock:
4145

- Part#:
SFCDL5000333MX1 - Manufacturers:
Knowles Syfer - Description:
CAP FEEDTHRU 0.033UF 500V AXIAL - In Stock:
6025

- Part#:
SFJNC2K00152MX0 - Manufacturers:
Knowles Syfer - Description:
CAP FEEDTHRU 1500PF 2KV AXIAL - In Stock:
6907

- Part#:
SFJNC5000683MX1 - Manufacturers:
Knowles Syfer - Description:
CAP FEEDTHRU 0.068UF 500V AXIAL - In Stock:
6767

- Part#:
SFCDP0500663MX0 - Manufacturers:
Knowles Syfer - Description:
CAP FEEDTHRU 0.066UF 50V AXIAL - In Stock:
4630

- Part#:
SFCIC5000101MC0 - Manufacturers:
Knowles Syfer - Description:
CAP FEEDTHRU 100PF 500V AXIAL - In Stock:
6590

- Part#:
SFLMC5000472MX0 - Manufacturers:
Knowles Syfer - Description:
CAP FEEDTHRU 4700PF 500V AXIAL - In Stock:
6752

- Part#:
SFAJC5000222MX1 - Manufacturers:
Knowles Syfer - Description:
CAP FEEDTHRU 2200PF 500V AXIAL - In Stock:
6238

- Part#:
SFCIL5000222MX0 - Manufacturers:
Knowles Syfer - Description:
CAP FEEDTHRU 2200PF 500V AXIAL - In Stock:
5125

- Part#:
SFAJL5000150ZC0 - Manufacturers:
Knowles Syfer - Description:
CAP FEEDTHRU 15PF 500V AXIAL - In Stock:
4435

- Part#:
SFJEL1K00473MX0 - Manufacturers:
Knowles Syfer - Description:
CAP FEEDTHRU 0.047UF 1KV AXIAL - In Stock:
6025

- Part#:
SFCIL5000102MX1 - Manufacturers:
Knowles Syfer - Description:
CAP FEEDTHRU 1000PF 500V AXIAL - In Stock:
4333

- Part#:
SFBDT5000100ZC0 - Manufacturers:
Knowles Syfer - Description:
CAP FEEDTHRU 10PF 500V AXIAL - In Stock:
4141