
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 Category
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Product List

- Part#:
0805J5000221KCR - Manufacturers:
Knowles Syfer - Description:
CAP CER 220PF 500V C0G/NP0 0805 - In Stock:
432229

- Part#:
1206J2000823MDT - Manufacturers:
Knowles Syfer - Description:
CAP CER 0.082UF 200V X7R 1206 - In Stock:
121163

- Part#:
0805Y0500681KFR - Manufacturers:
Knowles Syfer - Description:
CAP CER 680PF 50V C0G/NP0 0805 - In Stock:
276799

- Part#:
2225J1K00101JFR - Manufacturers:
Knowles Syfer - Description:
CAP CER 100PF 1KV C0G/NP0 2225 - In Stock:
41161

- Part#:
1812Y0160153GFT - Manufacturers:
Knowles Syfer - Description:
CAP CER 0.015UF 16V C0G/NP0 1812 - In Stock:
33679

- Part#:
1812J2K00120JCR - Manufacturers:
Knowles Syfer - Description:
CAP CER 12PF 2KV C0G/NP0 1812 - In Stock:
84692

- Part#:
0505J0500201GQT - Manufacturers:
Knowles Syfer - Description:
CAP CER 200PF 50V C0G/NP0 0505 - In Stock:
88829

- Part#:
1825J0100393JXT - Manufacturers:
Knowles Syfer - Description:
CAP CER 0.039UF 10V X7R 1825 - In Stock:
40021

- Part#:
1808J1K00821KXT - Manufacturers:
Knowles Syfer - Description:
CAP CER 820PF 1KV X7R 1808 - In Stock:
118012

- Part#:
1812J0500151KFT - Manufacturers:
Knowles Syfer - Description:
CAP CER 150PF 50V C0G/NP0 1812 - In Stock:
92343

- Part#:
1825Y1K20122KCR - Manufacturers:
Knowles Syfer - Description:
CAP CER 1200PF 1.2KV C0G 1825 - In Stock:
41602

- Part#:
1210J1000822KFR - Manufacturers:
Knowles Syfer - Description:
CAP CER 8200PF 100V C0G/NP0 1210 - In Stock:
58290

- Part#:
1111J2000300KQT - Manufacturers:
Knowles Syfer - Description:
CAP CER 30PF 200V C0G/NP0 1111 - In Stock:
70579

- Part#:
1812Y0160680KCR - Manufacturers:
Knowles Syfer - Description:
CAP CER 68PF 16V C0G/NP0 1812 - In Stock:
70313

- Part#:
1812J0500274JDR - Manufacturers:
Knowles Syfer - Description:
CAP CER 0.27UF 50V X7R 1812 - In Stock:
70534

- Part#:
2225J2500392KFR - Manufacturers:
Knowles Syfer - Description:
CAP CER 3900PF 250V C0G/NP0 2225 - In Stock:
24517

- Part#:
0603Y0250270FCR - Manufacturers:
Knowles Syfer - Description:
CAP CER 27PF 25V C0G/NP0 0603 - In Stock:
105309

- Part#:
1812J0630182GCR - Manufacturers:
Knowles Syfer - Description:
CAP CER 1800PF 63V C0G/NP0 1812 - In Stock:
85948

- Part#:
1812Y0100561KCT - Manufacturers:
Knowles Syfer - Description:
CAP CER 560PF 10V C0G/NP0 1812 - In Stock:
72456

- Part#:
0805J0630121JCR - Manufacturers:
Knowles Syfer - Description:
CAP CER 120PF 63V C0G/NP0 0805 - In Stock:
486671

- Part#:
1206J2500561FCR - Manufacturers:
Knowles Syfer - Description:
CAP CER 1206 - In Stock:
80808

- Part#:
1210Y5000821MER - Manufacturers:
Knowles Syfer - Description:
CAP CER 820PF 500V X7R 1210 - In Stock:
158799

- Part#:
1206Y2003P30BAR - Manufacturers:
Knowles Syfer - Description:
CAP CER 3.3PF 200V C0G/NP0 1206 - In Stock:
61122

- Part#:
1825J4K00220KCT - Manufacturers:
Knowles Syfer - Description:
CAP CER 22PF 4KV C0G/NP0 1825 - In Stock:
79800

- Part#:
2220J0160154MXT - Manufacturers:
Knowles Syfer - Description:
CAP CER 0.15UF 16V X7R 2220 - In Stock:
47402

- Part#:
0505Y2001P30BQT - Manufacturers:
Knowles Syfer - Description:
CAP CER 1.3PF 200V C0G/NP0 0505 - In Stock:
118807

- Part#:
0505J2000240FQT - Manufacturers:
Knowles Syfer - Description:
CAP CER 24PF 200V C0G/NP0 0505 - In Stock:
35878

- Part#:
1812Y1000271KFT - Manufacturers:
Knowles Syfer - Description:
CAP CER 270PF 100V C0G/NP0 1812 - In Stock:
67141

- Part#:
2225J0500331JFT - Manufacturers:
Knowles Syfer - Description:
CAP CER 330PF 50V C0G/NP0 2225 - In Stock:
32122

- Part#:
0603J2000820JFR - Manufacturers:
Knowles Syfer - Description:
CAP CER 82PF 200V C0G/NP0 0603 - In Stock:
276805

- Part#:
0505J1001P10HQT - Manufacturers:
Knowles Syfer - Description:
CAP CER 1.1PF 100V C0G/NP0 0505 - In Stock:
78656

- Part#:
1210Y0255P60CFT - Manufacturers:
Knowles Syfer - Description:
CAP CER 5.6PF 25V C0G/NP0 1210 - In Stock:
90304

- Part#:
1825J0500821FCT - Manufacturers:
Knowles Syfer - Description:
CAP CER 820PF 50V C0G/NP0 1825 - In Stock:
13133

- Part#:
2220Y6300681JXT - Manufacturers:
Knowles Syfer - Description:
CAP CER 680PF 630V X7R 2220 - In Stock:
55852

- Part#:
1812J6300151KXT - Manufacturers:
Knowles Syfer - Description:
CAP CER 150PF 630V X7R 1812 - In Stock:
89109

- Part#:
1825J1K00181JCR - Manufacturers:
Knowles Syfer - Description:
CAP CER 180PF 1KV C0G/NP0 1825 - In Stock:
77465

- Part#:
0805Y2500471JDT - Manufacturers:
Knowles Syfer - Description:
CAP CER 470PF 250V X7R 0805 - In Stock:
203110

- Part#:
2220Y1K20122KCT - Manufacturers:
Knowles Syfer - Description:
CAP CER 1200PF 1.2KV C0G 2220 - In Stock:
41542

- Part#:
1825J1K00473MXT - Manufacturers:
Knowles Syfer - Description:
CAP CER 0.047UF 1KV X7R 1825 - In Stock:
60459

- Part#:
1210J1K50120KCT - Manufacturers:
Knowles Syfer - Description:
CAP CER 12PF 1.5KV C0G/NP0 1210 - In Stock:
187742

- Part#:
SFSUC5000473MX0 - Manufacturers:
Knowles Syfer - Description:
CAP FEEDTHRU 0.047UF 500V AXIAL - In Stock:
8218

- Part#:
1210Y0250563JXR - Manufacturers:
Knowles Syfer - Description:
CAP CER 0.056UF 25V X7R 1210 - In Stock:
114303

- Part#:
1825Y0500122KCR - Manufacturers:
Knowles Syfer - Description:
CAP CER 1200PF 50V C0G/NP0 1825 - In Stock:
46401

- Part#:
1206J5000331JCT - Manufacturers:
Knowles Syfer - Description:
CAP CER 330PF 500V C0G/NP0 1206 - In Stock:
246995

- Part#:
1210J1K50151JCR - Manufacturers:
Knowles Syfer - Description:
CAP CER 150PF 1.5KV C0G/NP0 1210 - In Stock:
146672

- Part#:
2220J2500333JDR - Manufacturers:
Knowles Syfer - Description:
CAP CER 0.033UF 250V X7R 2220 - In Stock:
32269

- Part#:
1825J1K50222KCT - Manufacturers:
Knowles Syfer - Description:
CAP CER 2200PF 1.5KV C0G 1825 - In Stock:
51429

- Part#:
1812J0250563KCT - Manufacturers:
Knowles Syfer - Description:
CAP CER 0.056UF 25V C0G/NP0 1812 - In Stock:
71776

- Part#:
0805J0630182KCT - Manufacturers:
Knowles Syfer - Description:
CAP CER 1800PF 63V C0G/NP0 0805 - In Stock:
297508

- Part#:
1808Y0250103JXT - Manufacturers:
Knowles Syfer - Description:
CAP CER 10000PF 25V X7R 1808 - In Stock:
124912