
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#:
0603Y1000180KFR - Manufacturers:
Knowles Syfer - Description:
CAP CER 18PF 100V C0G/NP0 0603 - In Stock:
348936

- Part#:
2225Y2K50471JXR - Manufacturers:
Knowles Syfer - Description:
CAP CER 470PF 2.5KV X7R 2225 - In Stock:
30718

- Part#:
1812Y1000154MXT - Manufacturers:
Knowles Syfer - Description:
CAP CER 0.15UF 100V X7R 1812 - In Stock:
76034

- Part#:
0805Y0630681JFT - Manufacturers:
Knowles Syfer - Description:
CAP CER 680PF 63V C0G/NP0 0805 - In Stock:
209651

- Part#:
1825Y2000151JCR - Manufacturers:
Knowles Syfer - Description:
CAP CER 150PF 200V C0G/NP0 1825 - In Stock:
41934

- Part#:
1206Y1500100FQT - Manufacturers:
Knowles Syfer - Description:
CAP CER 10PF 150V C0G/NP0 1206 - In Stock:
44480

- Part#:
0603J0160102GFT - Manufacturers:
Knowles Syfer - Description:
CAP CER 1000PF 16V C0G/NP0 0603 - In Stock:
134780

- Part#:
2225Y0250395KDR - Manufacturers:
Knowles Syfer - Description:
CAP CER 3.9UF 25V X7R 2225 - In Stock:
19488

- Part#:
1825J1K20222KCR - Manufacturers:
Knowles Syfer - Description:
CAP CER 2200PF 1.2KV C0G 1825 - In Stock:
53878

- Part#:
2220Y3K00680JCT - Manufacturers:
Knowles Syfer - Description:
CAP CER 68PF 3KV C0G/NP0 2220 - In Stock:
49201

- Part#:
0603J0508P20CAT - Manufacturers:
Knowles Syfer - Description:
CAP CER 8.2PF 50V C0G/NP0 0603 - In Stock:
195696

- Part#:
1812JA250102JXTPY2 - Manufacturers:
Knowles Syfer - Description:
CAP CER 1812 - In Stock:
73710

- Part#:
0805J500P500HQT - Manufacturers:
Knowles Syfer - Description:
CAP CER 0.5PF 500V C0G/NP0 0805 - In Stock:
72836

- Part#:
0805Y1000331JXR - Manufacturers:
Knowles Syfer - Description:
CAP CER 330PF 100V X7R 0805 - In Stock:
317147

- Part#:
0805J2000682KDR - Manufacturers:
Knowles Syfer - Description:
CAP CER 6800PF 200V X7R 0805 - In Stock:
322575

- Part#:
1825J5K00270KCR - Manufacturers:
Knowles Syfer - Description:
CAP CER 27PF 5KV C0G/NP0 1825 - In Stock:
77092

- Part#:
2220Y0630822FFR - Manufacturers:
Knowles Syfer - Description:
CAP CER 8200PF 63V C0G/NP0 2220 - In Stock:
9649

- Part#:
2220J1000332KCR - Manufacturers:
Knowles Syfer - Description:
CAP CER 3300PF 100V C0G/NP0 2220 - In Stock:
49346

- Part#:
1210J5000152FFT - Manufacturers:
Knowles Syfer - Description:
CAP CER 1500PF 500V C0G/NP0 1210 - In Stock:
51313

- Part#:
2225J0160123FFR - Manufacturers:
Knowles Syfer - Description:
CAP CER 0.012UF 16V C0G/NP0 2225 - In Stock:
6444

- Part#:
2225J1000103JFT - Manufacturers:
Knowles Syfer - Description:
CAP CER 10000PF 100V C0G 2225 - In Stock:
26833

- Part#:
1808J1000822KXT - Manufacturers:
Knowles Syfer - Description:
CAP CER 8200PF 100V X7R 1808 - In Stock:
161647

- Part#:
1808J0250474MDT - Manufacturers:
Knowles Syfer - Description:
CAP CER 0.47UF 25V X7R 1808 - In Stock:
72072

- Part#:
1808Y1K05P60BCR - Manufacturers:
Knowles Syfer - Description:
CAP CER 5.6PF 1KV C0G/NP0 1808 - In Stock:
71797

- Part#:
1206J1506P20DQT - Manufacturers:
Knowles Syfer - Description:
CAP CER 6.2PF 150V C0G/NP0 1206 - In Stock:
106210

- Part#:
1812J1K00470KAT - Manufacturers:
Knowles Syfer - Description:
CAP CER 47PF 1KV C0G/NP0 1812 - In Stock:
97546

- Part#:
1808J1000122FFT - Manufacturers:
Knowles Syfer - Description:
CAP CER 1200PF 100V C0G/NP0 1808 - In Stock:
45974

- Part#:
1808J5000680GFR - Manufacturers:
Knowles Syfer - Description:
CAP CER 68PF 500V C0G/NP0 1808 - In Stock:
67223

- Part#:
1808J0160333KCR - Manufacturers:
Knowles Syfer - Description:
CAP CER 0.033UF 16V C0G/NP0 1808 - In Stock:
100339

- Part#:
1206Y2K00121JCR - Manufacturers:
Knowles Syfer - Description:
CAP CER 120PF 2KV C0G/NP0 1206 - In Stock:
133547

- Part#:
2220Y0100100KCT - Manufacturers:
Knowles Syfer - Description:
CAP CER 2220 - In Stock:
51861

- Part#:
1812J0500220FAT - Manufacturers:
Knowles Syfer - Description:
CAP CER 22PF 50V C0G/NP0 1812 - In Stock:
29116

- Part#:
1812Y0630184KXR - Manufacturers:
Knowles Syfer - Description:
CAP CER 0.18UF 63V X7R 1812 - In Stock:
68617

- Part#:
1825Y6K00150KCR - Manufacturers:
Knowles Syfer - Description:
CAP CER 15PF 6KV C0G/NP0 1825 - In Stock:
61787

- Part#:
0805J0250152MDT - Manufacturers:
Knowles Syfer - Description:
CAP CER 1500PF 25V X7R 0805 - In Stock:
268599

- Part#:
1206Y1K50101JCT - Manufacturers:
Knowles Syfer - Description:
CAP CER 100PF 1.5KV C0G/NP0 1206 - In Stock:
190657

- Part#:
0603J1000680FCT - Manufacturers:
Knowles Syfer - Description:
CAP CER 68PF 100V C0G/NP0 0603 - In Stock:
121635

- Part#:
1812Y6300221FCR - Manufacturers:
Knowles Syfer - Description:
CAP CER 220PF 630V C0G/NP0 1812 - In Stock:
43343

- Part#:
1812Y0500393FCT - Manufacturers:
Knowles Syfer - Description:
CAP CER 0.039UF 50V C0G/NP0 1812 - In Stock:
20947

- Part#:
2225Y2500563KDR - Manufacturers:
Knowles Syfer - Description:
CAP CER 0.056UF 250V X7R 2225 - In Stock:
28050

- Part#:
1210J0630332KFR - Manufacturers:
Knowles Syfer - Description:
CAP CER 3300PF 63V C0G/NP0 1210 - In Stock:
76137

- Part#:
0805Y6300562KXT - Manufacturers:
Knowles Syfer - Description:
CAP CER 5600PF 630V X7R 0805 - In Stock:
292441

- Part#:
1206J2500181JQT - Manufacturers:
Knowles Syfer - Description:
CAP CER 180PF 250V C0G/NP0 1206 - In Stock:
86724

- Part#:
2225J0160470JFR - Manufacturers:
Knowles Syfer - Description:
CAP CER 2225 - In Stock:
30609

- Part#:
1808JA250561JCTSP - Manufacturers:
Knowles Syfer - Description:
CAP CER 560PF 250V C0G/NP0 1808 - In Stock:
76612

- Part#:
2220J0630333KDT - Manufacturers:
Knowles Syfer - Description:
CAP CER 0.033UF 63V X7R 2220 - In Stock:
36644

- Part#:
1808J0630222FCR - Manufacturers:
Knowles Syfer - Description:
CAP CER 2200PF 63V C0G/NP0 1808 - In Stock:
64725

- Part#:
2220Y5K00680JCR - Manufacturers:
Knowles Syfer - Description:
CAP CER 68PF 5KV C0G/NP0 2220 - In Stock:
73825

- Part#:
1206Y2500470KCR - Manufacturers:
Knowles Syfer - Description:
CAP CER 47PF 250V C0G/NP0 1206 - In Stock:
279116

- Part#:
0805J0500471FFT - Manufacturers:
Knowles Syfer - Description:
CAP CER 470PF 50V C0G/NP0 0805 - In Stock:
72251