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Home > Line Card > Knowles Syfer > Capacitors > Ceramic Capacitors
Knowles Syfer

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.
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Product List

0603J1002P20CAT Image
  • Part#:0603J1002P20CAT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2.2PF 100V C0G/NP0 0603
  • In Stock:186011
$0.107/pcsRFQ
1206J0500681JFR Image
  • Part#:1206J0500681JFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 680PF 50V C0G/NP0 1206
  • In Stock:149677
$0.129/pcsRFQ
1812Y6300104JXR Image
  • Part#:1812Y6300104JXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.1UF 630V X7R 1812
  • In Stock:52099
$0.705/pcsRFQ
2220Y6K00470GCR Image
  • Part#:2220Y6K00470GCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 47PF 6KV C0G/NP0 2220
  • In Stock:50931
$0.594/pcsRFQ
1206Y1K00220KAT Image
  • Part#:1206Y1K00220KAT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 22PF 1KV C0G/NP0 1206
  • In Stock:149980
$0.14/pcsRFQ
2220Y4K00560JCR Image
  • Part#:2220Y4K00560JCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 56PF 4KV C0G/NP0 2220
  • In Stock:66300
$0.306/pcsRFQ
0603J2000100FFR Image
  • Part#:0603J2000100FFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 10PF 200V C0G/NP0 0603
  • In Stock:71650
$0.262/pcsRFQ
0805Y1000472MET Image
  • Part#:0805Y1000472MET
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 4700PF 100V X7R 0805
  • In Stock:232963
$0.087/pcsRFQ
1210J5000222KAT Image
  • Part#:1210J5000222KAT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2200PF 500V C0G/NP0 1210
  • In Stock:92386
$0.254/pcsRFQ
0805Y0100681KCR Image
  • Part#:0805Y0100681KCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 680PF 10V C0G/NP0 0805
  • In Stock:415099
$0.057/pcsRFQ
1808J1K20332KXT Image
  • Part#:1808J1K20332KXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3300PF 1.2KV X7R 1808
  • In Stock:148419
$0.161/pcsRFQ
1808Y1K00151KCT Image
  • Part#:1808Y1K00151KCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 150PF 1KV C0G/NP0 1808
  • In Stock:139351
$0.168/pcsRFQ
1210Y2500560JCT Image
  • Part#:1210Y2500560JCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 56PF 250V C0G/NP0 1210
  • In Stock:122524
$0.187/pcsRFQ
1825Y0630824MXT Image
  • Part#:1825Y0630824MXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.82UF 63V X7R 1825
  • In Stock:37311
$0.868/pcsRFQ
0603J0160560KFR Image
  • Part#:0603J0160560KFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 56PF 16V C0G/NP0 0603
  • In Stock:231362
$0.085/pcsRFQ
1812Y4K00180JCR Image
  • Part#:1812Y4K00180JCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 18PF 4KV C0G/NP0 1812
  • In Stock:87507
$0.263/pcsRFQ
1825Y6300563JXT Image
  • Part#:1825Y6300563JXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.056UF 630V X7R 1825
  • In Stock:38172
$0.963/pcsRFQ
1210J2500121JCR Image
  • Part#:1210J2500121JCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 120PF 250V C0G/NP0 1210
  • In Stock:116264
$0.164/pcsRFQ
1206Y5001P30DQT Image
  • Part#:1206Y5001P30DQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1.3PF 500V C0G/NP0 1206
  • In Stock:110757
$0.172/pcsRFQ
  • Part#:1825Y0630561KCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1825
  • In Stock:55958
$0.665/pcsRFQ
2220J1K00681GCR Image
  • Part#:2220J1K00681GCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 680PF 1KV C0G/NP0 2220
  • In Stock:42679
$0.916/pcsRFQ
0603J0100682JXR Image
  • Part#:0603J0100682JXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 6800PF 10V X7R 0603
  • In Stock:338517
$0.058/pcsRFQ
2225J0630560KCR Image
  • Part#:2225J0630560KCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 56PF 63V C0G/NP0 2225
  • In Stock:49470
$0.757/pcsRFQ
0805Y2000182JER Image
  • Part#:0805Y2000182JER
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1800PF 200V X7R 0805
  • In Stock:165738
$0.114/pcsRFQ
1812J2500822JFR Image
  • Part#:1812J2500822JFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 8200PF 250V C0G/NP0 1812
  • In Stock:68010
$0.521/pcsRFQ
1111J2000131KQT Image
  • Part#:1111J2000131KQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 130PF 200V C0G/NP0 1111
  • In Stock:63476
$0.361/pcsRFQ
1210Y2500821FFR Image
  • Part#:1210Y2500821FFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 820PF 250V C0G/NP0 1210
  • In Stock:38689
$0.903/pcsRFQ
1206Y0630220KQT Image
  • Part#:1206Y0630220KQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 22PF 63V C0G/NP0 1206
  • In Stock:138948
$0.17/pcsRFQ
1111J5002P10HUT Image
  • Part#:1111J5002P10HUT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2.1PF 500V C0G/NP0 1111
  • In Stock:4466
 RFQ
2225Y0500223KCT Image
  • Part#:2225Y0500223KCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.022UF 50V C0G/NP0 2225
  • In Stock:26439
$1.25/pcsRFQ
1808JA250221KXTSP Image
  • Part#:1808JA250221KXTSP
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 220PF 250V X7R 1808
  • In Stock:102616
$0.223/pcsRFQ
1825Y1K50100JCT Image
  • Part#:1825Y1K50100JCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 10PF 1.5KV C0G/NP0 1825
  • In Stock:56353
$0.617/pcsRFQ
2220J2500331GFT Image
  • Part#:2220J2500331GFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 330PF 250V C0G/NP0 2220
  • In Stock:16951
$2.331/pcsRFQ
1825Y6300332FCR Image
  • Part#:1825Y6300332FCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3300PF 630V C0G/NP0 1825
  • In Stock:15629
$2.294/pcsRFQ
0603Y0250103MDR Image
  • Part#:0603Y0250103MDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 10000PF 25V X7R 0603
  • In Stock:317186
$0.063/pcsRFQ
2225Y0630683KDR Image
  • Part#:2225Y0630683KDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.068UF 63V X7R 2225
  • In Stock:30027
$1.07/pcsRFQ
1825Y0250275JXT Image
  • Part#:1825Y0250275JXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2.7UF 25V X7R 1825
  • In Stock:19878
$1.622/pcsRFQ
0603J0100222GCR Image
  • Part#:0603J0100222GCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2200PF 10V C0G/NP0 0603
  • In Stock:176584
$0.123/pcsRFQ
0603Y0630822MER Image
  • Part#:0603Y0630822MER
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 8200PF 63V X7R 0603
  • In Stock:347864
$0.064/pcsRFQ
1210Y6300221KCT Image
  • Part#:1210Y6300221KCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 220PF 630V C0G/NP0 1210
  • In Stock:195232
$0.123/pcsRFQ
1812Y3K00561JXR Image
  • Part#:1812Y3K00561JXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 560PF 3KV X7R 1812
  • In Stock:54844
$0.359/pcsRFQ
2225Y2500272JFR Image
  • Part#:2225Y2500272JFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2700PF 250V C0G/NP0 2225
  • In Stock:22250
$1.654/pcsRFQ
1812Y6300181MXR Image
  • Part#:1812Y6300181MXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 180PF 630V X7R 1812
  • In Stock:88952
$0.26/pcsRFQ
1808J0630560MDT Image
  • Part#:1808J0630560MDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 56PF 63V X7R 1808
  • In Stock:110680
$0.172/pcsRFQ
2220Y2K50122KCT Image
  • Part#:2220Y2K50122KCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1200PF 2.5KV C0G 2220
  • In Stock:43570
$0.885/pcsRFQ
0505J2006P80DQT Image
  • Part#:0505J2006P80DQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 6.8PF 200V C0G/NP0 0505
  • In Stock:116538
$0.204/pcsRFQ
1210Y0160222JXT Image
  • Part#:1210Y0160222JXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2200PF 16V X7R 1210
  • In Stock:108483
$0.194/pcsRFQ
1808Y4K00820KCR Image
  • Part#:1808Y4K00820KCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 82PF 4KV C0G/NP0 1808
  • In Stock:127485
$0.16/pcsRFQ
0805J0250181GFT Image
  • Part#:0805J0250181GFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 180PF 25V C0G/NP0 0805
  • In Stock:134436
$0.152/pcsRFQ
2220J5000820FFT Image
  • Part#:2220J5000820FFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 82PF 500V C0G/NP0 2220
  • In Stock:12107
$2.968/pcsRFQ
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