
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#:
0805Y0500270FAR - Manufacturers:
Knowles Syfer - Description:
CAP CER 27PF 50V C0G/NP0 0805 - In Stock:
75741

- Part#:
2220J5K00122JXR - Manufacturers:
Knowles Syfer - Description:
CAP CER 1200PF 5KV X7R 2220 - In Stock:
65157

- Part#:
1206J0100470KCR - Manufacturers:
Knowles Syfer - Description:
CAP CER 47PF 10V C0G/NP0 1206 - In Stock:
265792

- Part#:
1210J0500271KCR - Manufacturers:
Knowles Syfer - Description:
CAP CER 270PF 50V C0G/NP0 1210 - In Stock:
126744

- Part#:
2220J1000823KDR - Manufacturers:
Knowles Syfer - Description:
CAP CER 0.082UF 100V X7R 2220 - In Stock:
34498

- Part#:
1206J0500103GFR - Manufacturers:
Knowles Syfer - Description:
CAP CER 10000PF 50V C0G/NP0 1206 - In Stock:
90678

- Part#:
1206J0500821GCR - Manufacturers:
Knowles Syfer - Description:
CAP CER 820PF 50V C0G/NP0 1206 - In Stock:
146377

- Part#:
1812Y0500121KFT - Manufacturers:
Knowles Syfer - Description:
CAP CER 120PF 50V C0G/NP0 1812 - In Stock:
72496

- Part#:
1210J1K00101KFT - Manufacturers:
Knowles Syfer - Description:
CAP CER 100PF 1KV C0G/NP0 1210 - In Stock:
132169

- Part#:
1206J0100123FCT - Manufacturers:
Knowles Syfer - Description:
CAP CER 0.012UF 10V C0G/NP0 1206 - In Stock:
61248

- Part#:
0805Y2000221FCT - Manufacturers:
Knowles Syfer - Description:
CAP CER 220PF 200V C0G/NP0 0805 - In Stock:
84356

- Part#:
0603Y0250152KCT - Manufacturers:
Knowles Syfer - Description:
CAP CER 1500PF 25V C0G/NP0 0603 - In Stock:
284092

- Part#:
1210Y5000823MET - Manufacturers:
Knowles Syfer - Description:
CAP CER 0.082UF 500V X7R 1210 - In Stock:
80816

- Part#:
2220J3K00181JCT - Manufacturers:
Knowles Syfer - Description:
CAP CER 180PF 3KV C0G/NP0 2220 - In Stock:
60229

- Part#:
1812Y1K00820GFR - Manufacturers:
Knowles Syfer - Description:
CAP CER 82PF 1KV C0G/NP0 1812 - In Stock:
57921

- Part#:
1825J0500271GCR - Manufacturers:
Knowles Syfer - Description:
CAP CER 270PF 50V C0G/NP0 1825 - In Stock:
25191

- Part#:
2220Y2000270GFT - Manufacturers:
Knowles Syfer - Description:
CAP CER 27PF 200V C0G/NP0 2220 - In Stock:
16155

- Part#:
2220Y1K20563KXT - Manufacturers:
Knowles Syfer - Description:
CAP CER 0.056UF 1.2KV X7R 2220 - In Stock:
41484

- Part#:
1808J2000222MXT - Manufacturers:
Knowles Syfer - Description:
CAP CER 2200PF 200V X7R 1808 - In Stock:
169369

- Part#:
0603Y200P100CQT - Manufacturers:
Knowles Syfer - Description:
CAP CER 0.1PF 200V C0G/NP0 0603 - In Stock:
295141

- Part#:
0805J2000240GUT - Manufacturers:
Knowles Syfer - Description:
CAP CER 24PF 200V C0G/NP0 0805 - In Stock:
64846

- Part#:
1808Y0630391FCT - Manufacturers:
Knowles Syfer - Description:
CAP CER 390PF 63V C0G/NP0 1808 - In Stock:
73871

- Part#:
1206Y3000510JQT - Manufacturers:
Knowles Syfer - Description:
CAP CER 51PF 300V C0G/NP0 1206 - In Stock:
104671

- Part#:
1808JA250270GCRSP - Manufacturers:
Knowles Syfer - Description:
CAP CER 27PF 250V C0G/NP0 1808 - In Stock:
96892

- Part#:
1210J1K00471FFR - Manufacturers:
Knowles Syfer - Description:
CAP CER 470PF 1KV C0G/NP0 1210 - In Stock:
49924

- Part#:
0805Y1000471GCR - Manufacturers:
Knowles Syfer - Description:
CAP CER 470PF 100V C0G/NP0 0805 - In Stock:
191527

- Part#:
1206J0250563MDT - Manufacturers:
Knowles Syfer - Description:
CAP CER 0.056UF 25V X7R 1206 - In Stock:
192839

- Part#:
1808Y0500272KDR - Manufacturers:
Knowles Syfer - Description:
CAP CER 2700PF 50V X7R 1808 - In Stock:
98922

- Part#:
1206J0500102JFT - Manufacturers:
Knowles Syfer - Description:
CAP CER 1000PF 50V C0G/NP0 1206 - In Stock:
142991

- Part#:
1206Y2500561JDR - Manufacturers:
Knowles Syfer - Description:
CAP CER 560PF 250V X7R 1206 - In Stock:
158573

- Part#:
1812Y1K20681KXR - Manufacturers:
Knowles Syfer - Description:
CAP CER 680PF 1.2KV X7R 1812 - In Stock:
89277

- Part#:
1808Y5000181KXT - Manufacturers:
Knowles Syfer - Description:
CAP CER 180PF 500V X7R 1808 - In Stock:
134114

- Part#:
2225Y5000390JFT - Manufacturers:
Knowles Syfer - Description:
CAP CER 39PF 500V C0G/NP0 2225 - In Stock:
27326

- Part#:
0805Y1500240KQT - Manufacturers:
Knowles Syfer - Description:
CAP CER 24PF 150V C0G/NP0 0805 - In Stock:
128104

- Part#:
0603J0163P90BFR - Manufacturers:
Knowles Syfer - Description:
CAP CER 3.9PF 16V C0G/NP0 0603 - In Stock:
129686

- Part#:
1210Y0160822MXT - Manufacturers:
Knowles Syfer - Description:
CAP CER 8200PF 16V X7R 1210 - In Stock:
160028

- Part#:
2225Y4K00271FCR - Manufacturers:
Knowles Syfer - Description:
CAP CER 270PF 4KV C0G/NP0 2225 - In Stock:
16098

- Part#:
0603J5000150FCT - Manufacturers:
Knowles Syfer - Description:
CAP CER 15PF 500V C0G/NP0 0603 - In Stock:
118373

- Part#:
0805Y0160562KXT - Manufacturers:
Knowles Syfer - Description:
CAP CER 0805 - In Stock:
405019

- Part#:
1812J0630154JXR - Manufacturers:
Knowles Syfer - Description:
CAP CER 0.15UF 63V X7R 1812 - In Stock:
64912

- Part#:
2225Y2000564KXT - Manufacturers:
Knowles Syfer - Description:
CAP CER 0.56UF 200V X7R 2225 - In Stock:
33703

- Part#:
1808Y2K00680KCT - Manufacturers:
Knowles Syfer - Description:
CAP CER 68PF 2KV C0G/NP0 1808 - In Stock:
149690

- Part#:
1825J4K00561JXT - Manufacturers:
Knowles Syfer - Description:
CAP CER 560PF 4KV X7R 1825 - In Stock:
53105

- Part#:
0505J2500151KQT - Manufacturers:
Knowles Syfer - Description:
CAP CER 150PF 250V C0G/NP0 0505 - In Stock:
77681

- Part#:
2225J0500154MDR - Manufacturers:
Knowles Syfer - Description:
CAP CER 0.15UF 50V X7R 2225 - In Stock:
32486

- Part#:
1206Y2004P70HQT - Manufacturers:
Knowles Syfer - Description:
CAP CER 4.7PF 200V C0G/NP0 1206 - In Stock:
50052

- Part#:
2225J0160154KDT - Manufacturers:
Knowles Syfer - Description:
CAP CER 0.15UF 16V X7R 2225 - In Stock:
30540

- Part#:
1206J0500153FCT - Manufacturers:
Knowles Syfer - Description:
CAP CER 0.015UF 50V C0G/NP0 1206 - In Stock:
52894

- Part#:
0505Y1500181JQT - Manufacturers:
Knowles Syfer - Description:
CAP CER 180PF 150V C0G/NP0 0505 - In Stock:
109037

- Part#:
2220J3K00391KXT - Manufacturers:
Knowles Syfer - Description:
CAP CER 390PF 3KV X7R 2220 - In Stock:
71559