
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#:
0805J5000221JFT - Manufacturers:
Knowles Syfer - Description:
CAP CER 220PF 500V C0G/NP0 0805 - In Stock:
211323

- Part#:
0805Y0250821MXR - Manufacturers:
Knowles Syfer - Description:
CAP CER 820PF 25V X7R 0805 - In Stock:
456250

- Part#:
0603Y2501P10CUT - Manufacturers:
Knowles Syfer - Description:
CAP CER 1.1PF 250V C0G/NP0 0603 - In Stock:
182434

- Part#:
1812Y1K20152JCR - Manufacturers:
Knowles Syfer - Description:
CAP CER 1500PF 1.2KV C0G 1812 - In Stock:
87805

- Part#:
1825Y0100222GCT - Manufacturers:
Knowles Syfer - Description:
CAP CER 2200PF 10V C0G/NP0 1825 - In Stock:
21285

- Part#:
1812J1000151KAR - Manufacturers:
Knowles Syfer - Description:
CAP CER 150PF 100V C0G/NP0 1812 - In Stock:
54178

- Part#:
1210Y0630222FCT - Manufacturers:
Knowles Syfer - Description:
CAP CER 2200PF 63V C0G/NP0 1210 - In Stock:
56907

- Part#:
1825Y1K50471MXR - Manufacturers:
Knowles Syfer - Description:
CAP CER 470PF 1.5KV X7R 1825 - In Stock:
67618

- Part#:
1812Y2500390FCT - Manufacturers:
Knowles Syfer - Description:
CAP CER 39PF 250V C0G/NP0 1812 - In Stock:
40260

- Part#:
1808Y1000180KCT - Manufacturers:
Knowles Syfer - Description:
CAP CER 18PF 100V C0G/NP0 1808 - In Stock:
159689

- Part#:
0805J0250332JCR - Manufacturers:
Knowles Syfer - Description:
CAP CER 3300PF 25V C0G/NP0 0805 - In Stock:
219697

- Part#:
0805J0250181JFT - Manufacturers:
Knowles Syfer - Description:
CAP CER 180PF 25V C0G/NP0 0805 - In Stock:
226548

- Part#:
0805Y1002P20BQT - Manufacturers:
Knowles Syfer - Description:
CAP CER HIGH Q 0805 - In Stock:
164344

- Part#:
1812J6300151FCT - Manufacturers:
Knowles Syfer - Description:
CAP CER 150PF 630V C0G/NP0 1812 - In Stock:
59701

- Part#:
0505J2001P60HQT - Manufacturers:
Knowles Syfer - Description:
CAP CER 1.6PF 200V C0G/NP0 0505 - In Stock:
56369

- Part#:
2220Y5K00272KXR - Manufacturers:
Knowles Syfer - Description:
CAP CER 2700PF 5KV X7R 2220 - In Stock:
69283

- Part#:
1808Y0500121FFR - Manufacturers:
Knowles Syfer - Description:
CAP CER 120PF 50V C0G/NP0 1808 - In Stock:
66490

- Part#:
1825J1000103FCR - Manufacturers:
Knowles Syfer - Description:
CAP CER 10000PF 100V C0G 1825 - In Stock:
12645

- Part#:
2225J5000471KCT - Manufacturers:
Knowles Syfer - Description:
CAP CER 470PF 500V C0G/NP0 2225 - In Stock:
54278

- Part#:
1812J2K00151GCT - Manufacturers:
Knowles Syfer - Description:
CAP CER 150PF 2KV C0G/NP0 1812 - In Stock:
92841

- Part#:
2220Y0160561KFT - Manufacturers:
Knowles Syfer - Description:
CAP CER 560PF 16V C0G/NP0 2220 - In Stock:
30403

- Part#:
1206J0250391FCT - Manufacturers:
Knowles Syfer - Description:
CAP CER 390PF 25V C0G/NP0 1206 - In Stock:
77521

- Part#:
1206Y2K01P50DQT - Manufacturers:
Knowles Syfer - Description:
CAP CER 1.5PF 2000V C0G/NP0 1206 - In Stock:
106160

- Part#:
2225J0250185MDT - Manufacturers:
Knowles Syfer - Description:
CAP CER 1.8UF 25V X7R 2225 - In Stock:
25480

- Part#:
1808J0500150FCR - Manufacturers:
Knowles Syfer - Description:
CAP CER 15PF 50V C0G/NP0 1808 - In Stock:
78221

- Part#:
0603J0100152JXT - Manufacturers:
Knowles Syfer - Description:
CAP CER 1500PF 10V X7R 0603 - In Stock:
432445

- Part#:
1210Y0500330JCR - Manufacturers:
Knowles Syfer - Description:
CAP CER 33PF 50V C0G/NP0 1210 - In Stock:
128980

- Part#:
1206Y1000472MDR - Manufacturers:
Knowles Syfer - Description:
CAP CER 4700PF 100V X7R 1206 - In Stock:
220236

- Part#:
1206Y2K01P50DCR - Manufacturers:
Knowles Syfer - Description:
CAP CER 1.5PF 2KV C0G/NP0 1206 - In Stock:
220446

- Part#:
1825Y0100102FCT - Manufacturers:
Knowles Syfer - Description:
CAP CER 1000PF 10V C0G/NP0 1825 - In Stock:
10138

- Part#:
1825J5K00271KCR - Manufacturers:
Knowles Syfer - Description:
CAP CER 270PF 5KV C0G/NP0 1825 - In Stock:
98184

- Part#:
1812JA250470JCTPY2 - Manufacturers:
Knowles Syfer - Description:
CAP CER 47PF 250V C0G/NP0 1812 - In Stock:
101110

- Part#:
1210J0630121KFT - Manufacturers:
Knowles Syfer - Description:
CAP CER 120PF 63V C0G/NP0 1210 - In Stock:
96457

- Part#:
1206Y0500560JFR - Manufacturers:
Knowles Syfer - Description:
CAP CER 56PF 50V C0G/NP0 1206 - In Stock:
163002

- Part#:
1210Y0160223JFR - Manufacturers:
Knowles Syfer - Description:
CAP CER 0.022UF 16V C0G/NP0 1210 - In Stock:
100609

- Part#:
2225J3K00151KCT - Manufacturers:
Knowles Syfer - Description:
CAP CER 150PF 3KV C0G/NP0 2225 - In Stock:
51177

- Part#:
2220Y1000273JXT - Manufacturers:
Knowles Syfer - Description:
CAP CER 0.027UF 100V X7R 2220 - In Stock:
42541

- Part#:
0603Y0250222MXR - Manufacturers:
Knowles Syfer - Description:
CAP CER 2200PF 25V X7R 0603 - In Stock:
585964

- Part#:
1210J5000561FAR - Manufacturers:
Knowles Syfer - Description:
CAP CER 560PF 500V C0G/NP0 1210 - In Stock:
55166

- Part#:
1825Y1K00822JXR - Manufacturers:
Knowles Syfer - Description:
CAP CER 8200PF 1KV X7R 1825 - In Stock:
52352

- Part#:
0603Y0630221JER - Manufacturers:
Knowles Syfer - Description:
CAP CER 220PF 63V X7R 0603 - In Stock:
302814

- Part#:
1206J0500820GFT - Manufacturers:
Knowles Syfer - Description:
CAP CER 82PF 50V C0G/NP0 1206 - In Stock:
129304

- Part#:
2220Y2K00271FCT - Manufacturers:
Knowles Syfer - Description:
CAP CER 270PF 2KV C0G/NP0 2220 - In Stock:
17846

- Part#:
1808J0500151KXT - Manufacturers:
Knowles Syfer - Description:
CAP CER 150PF 50V X7R 1808 - In Stock:
195122

- Part#:
1210Y6300681FCT - Manufacturers:
Knowles Syfer - Description:
CAP CER 680PF 630V C0G/NP0 1210 - In Stock:
62236

- Part#:
1206Y0500471KCT - Manufacturers:
Knowles Syfer - Description:
CAP CER 470PF 50V C0G/NP0 1206 - In Stock:
237656

- Part#:
1210J5000220GCR - Manufacturers:
Knowles Syfer - Description:
CAP CER 22PF 500V C0G/NP0 1210 - In Stock:
120610

- Part#:
2220Y1000683MDR - Manufacturers:
Knowles Syfer - Description:
CAP CER 0.068UF 100V X7R 2220 - In Stock:
34762

- Part#:
1812Y1K50681KXT - Manufacturers:
Knowles Syfer - Description:
CAP CER 680PF 1.5KV X7R 1812 - In Stock:
63890

- Part#:
1825J0500273JCT - Manufacturers:
Knowles Syfer - Description:
CAP CER 0.027UF 50V C0G/NP0 1825 - In Stock:
34519