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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

2220Y1K00561GCR Image
  • Part#:2220Y1K00561GCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 560PF 1KV C0G/NP0 2220
  • In Stock:30441
$1.071/pcsRFQ
2225J1K00154MDT Image
  • Part#:2225J1K00154MDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.15UF 1KV X7R 2225
  • In Stock:14949
$2.019/pcsRFQ
1206J1K50472KXT Image
  • Part#:1206J1K50472KXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 4700PF 1.5KV X7R 1206
  • In Stock:187005
$0.112/pcsRFQ
0603J2500101KFT Image
  • Part#:0603J2500101KFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 100PF 250V C0G/NP0 0603
  • In Stock:280511
$0.078/pcsRFQ
1812Y5000472JCT Image
  • Part#:1812Y5000472JCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 4700PF 500V C0G/NP0 1812
  • In Stock:65421
$0.341/pcsRFQ
1206Y0250472FFR Image
  • Part#:1206Y0250472FFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 4700PF 25V C0G/NP0 1206
  • In Stock:58941
$0.623/pcsRFQ
0603Y0630223KDT Image
  • Part#:0603Y0630223KDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.022UF 63V X7R 0603
  • In Stock:278359
$0.077/pcsRFQ
1808Y0630332JFR Image
  • Part#:1808Y0630332JFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3300PF 63V C0G/NP0 1808
  • In Stock:113752
$0.18/pcsRFQ
0805Y2000181FQT Image
  • Part#:0805Y2000181FQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 180PF 200V C0G/NP0 0805
  • In Stock:44016
$0.734/pcsRFQ
1210J0630332JFT Image
  • Part#:1210J0630332JFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3300PF 63V C0G/NP0 1210
  • In Stock:73651
$0.273/pcsRFQ
1825J1K50330GCT Image
  • Part#:1825J1K50330GCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 33PF 1.5KV C0G/NP0 1825
  • In Stock:33388
$0.926/pcsRFQ
1812Y0630150FCT Image
  • Part#:1812Y0630150FCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 15PF 63V C0G/NP0 1812
  • In Stock:25863
$1.192/pcsRFQ
1206Y0250562FCT Image
  • Part#:1206Y0250562FCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 5600PF 25V C0G/NP0 1206
  • In Stock:95074
$0.379/pcsRFQ
2220Y0100222GCT Image
  • Part#:2220Y0100222GCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2200PF 10V C0G/NP0 2220
  • In Stock:26563
$1.382/pcsRFQ
1210J1000391JAR Image
  • Part#:1210J1000391JAR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 390PF 100V C0G/NP0 1210
  • In Stock:80809
$0.238/pcsRFQ
1812J5000682MXR Image
  • Part#:1812J5000682MXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 6800PF 500V X7R 1812
  • In Stock:97978
$0.243/pcsRFQ
1111Y1000820FQT Image
  • Part#:1111Y1000820FQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 82PF 100V C0G/NP0 1111
  • In Stock:24411
$1.228/pcsRFQ
2225Y1K20270KCT Image
  • Part#:2225Y1K20270KCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 27PF 1.2KV C0G/NP0 2225
  • In Stock:39387
$0.878/pcsRFQ
2220J5000122JDR Image
  • Part#:2220J5000122JDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1200PF 500V X7R 2220
  • In Stock:47804
$0.814/pcsRFQ
2220Y2K00472KXR Image
  • Part#:2220Y2K00472KXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 4700PF 2KV X7R 2220
  • In Stock:54570
$0.588/pcsRFQ
1808J1000330MDR Image
  • Part#:1808J1000330MDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 33PF 100V X7R 1808
  • In Stock:131421
$0.159/pcsRFQ
0805Y1002P10DQT Image
  • Part#:0805Y1002P10DQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2.1PF 100V C0G/NP0 0805
  • In Stock:140616
$0.152/pcsRFQ
2225J1K20392JXT Image
  • Part#:2225J1K20392JXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3900PF 1.2KV X7R 2225
  • In Stock:49609
$0.729/pcsRFQ
2220Y0630123JDT Image
  • Part#:2220Y0630123JDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.012UF 63V X7R 2220
  • In Stock:23000
$1.317/pcsRFQ
1812J6300180FAT Image
  • Part#:1812J6300180FAT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 18PF 630V C0G/NP0 1812
  • In Stock:31576
$0.948/pcsRFQ
0603Y0630273JXR Image
  • Part#:0603Y0630273JXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.027UF 63V X7R 0603
  • In Stock:356629
$0.066/pcsRFQ
1210J0630150JCR Image
  • Part#:1210J0630150JCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 15PF 63V C0G/NP0 1210
  • In Stock:145817
$0.156/pcsRFQ
2220Y2500684KDR Image
  • Part#:2220Y2500684KDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.68UF 250V X7R 2220
  • In Stock:21143
$1.425/pcsRFQ
1808Y0630823KDR Image
  • Part#:1808Y0630823KDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.082UF 63V X7R 1808
  • In Stock:106413
$0.199/pcsRFQ
2220Y1K50560JCR Image
  • Part#:2220Y1K50560JCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 56PF 1.5KV C0G/NP0 2220
  • In Stock:61417
$0.54/pcsRFQ
1812J1K50151GCR Image
  • Part#:1812J1K50151GCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 150PF 1.5KV C0G/NP0 1812
  • In Stock:85276
$0.384/pcsRFQ
1206J2500331MDR Image
  • Part#:1206J2500331MDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 330PF 250V X7R 1206
  • In Stock:210527
$0.108/pcsRFQ
2225Y1000223GCR Image
  • Part#:2225Y1000223GCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.022UF 100V C0G 2225
  • In Stock:15838
$2.423/pcsRFQ
2225J0160473KFT Image
  • Part#:2225J0160473KFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.047UF 16V C0G/NP0 2225
  • In Stock:18957
$1.597/pcsRFQ
0805J0630331FFR Image
  • Part#:0805J0630331FFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 330PF 63V C0G/NP0 0805
  • In Stock:88983
$0.268/pcsRFQ
2225Y2500560FFR Image
  • Part#:2225Y2500560FFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 56PF 250V C0G/NP0 2225
  • In Stock:7939
$4.797/pcsRFQ
0805J0500222KCR Image
  • Part#:0805J0500222KCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2200PF 50V C0G/NP0 0805
  • In Stock:255632
$0.085/pcsRFQ
2220J5000102KFR Image
  • Part#:2220J5000102KFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1000PF 500V C0G/NP0 2220
  • In Stock:43413
$0.714/pcsRFQ
1808Y0638P20CCR Image
  • Part#:1808Y0638P20CCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 8.2PF 63V C0G/NP0 1808
  • In Stock:95429
$0.213/pcsRFQ
2220J1000472FCT Image
  • Part#:2220J1000472FCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 4700PF 100V C0G/NP0 2220
  • In Stock:12379
$2.436/pcsRFQ
1210J0630560FCR Image
  • Part#:1210J0630560FCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 56PF 63V C0G/NP0 1210
  • In Stock:70417
$0.558/pcsRFQ
1206J5000472KXT Image
  • Part#:1206J5000472KXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 4700PF 500V X7R 1206
  • In Stock:299889
$0.074/pcsRFQ
2225Y5000101JCR Image
  • Part#:2225Y5000101JCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 100PF 500V C0G/NP0 2225
  • In Stock:38285
$0.779/pcsRFQ
  • Part#:0603Y063P500BQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER HIGH Q 0603
  • In Stock:256845
$0.074/pcsRFQ
1210J0630821GAR Image
  • Part#:1210J0630821GAR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 820PF 63V C0G/NP0 1210
  • In Stock:72138
$0.416/pcsRFQ
0805Y0250561JCR Image
  • Part#:0805Y0250561JCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 560PF 25V C0G/NP0 0805
  • In Stock:383675
$0.062/pcsRFQ
0603J200P680CFR Image
  • Part#:0603J200P680CFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.68PF 200V C0G/NP0 0603
  • In Stock:201119
$0.103/pcsRFQ
2211YA250181KCRSP Image
  • Part#:2211YA250181KCRSP
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 180PF 250V C0G/NP0 2211
  • In Stock:43958
$0.69/pcsRFQ
2220J0160332JCT Image
  • Part#:2220J0160332JCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3300PF 16V C0G/NP0 2220
  • In Stock:47753
$0.696/pcsRFQ
0805Y2500121JFT Image
  • Part#:0805Y2500121JFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 120PF 250V C0G/NP0 0805
  • In Stock:199446
$0.115/pcsRFQ
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