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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

1210Y1000560KFR Image
  • Part#:1210Y1000560KFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 56PF 100V C0G/NP0 1210
  • In Stock:84594
$0.24/pcsRFQ
1808Y0500151JDR Image
  • Part#:1808Y0500151JDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 150PF 50V X7R 1808
  • In Stock:123806
$0.17/pcsRFQ
1808Y0500153KCT Image
  • Part#:1808Y0500153KCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.015UF 50V C0G/NP0 1808
  • In Stock:107617
$0.213/pcsRFQ
0505J1500470FQT Image
  • Part#:0505J1500470FQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 47PF 150V C0G/NP0 0505
  • In Stock:34572
$0.967/pcsRFQ
1808J1K50221JXR Image
  • Part#:1808J1K50221JXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 220PF 1.5KV X7R 1808
  • In Stock:103395
$0.201/pcsRFQ
0805Y0630110JQT Image
  • Part#:0805Y0630110JQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 11PF 63V C0G/NP0 0805
  • In Stock:116805
$0.161/pcsRFQ
1210Y0630390KCT Image
  • Part#:1210Y0630390KCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 39PF 63V C0G/NP0 1210
  • In Stock:142657
$0.167/pcsRFQ
0603J0250151FFR Image
  • Part#:0603J0250151FFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 150PF 25V C0G/NP0 0603
  • In Stock:68475
$0.303/pcsRFQ
0805Y0630563MXR Image
  • Part#:0805Y0630563MXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.056UF 63V X7R 0805
  • In Stock:285321
$0.07/pcsRFQ
2220J2500151FFR Image
  • Part#:2220J2500151FFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 150PF 250V C0G/NP0 2220
  • In Stock:7562
$4.082/pcsRFQ
2225Y5000820KCR Image
  • Part#:2225Y5000820KCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 82PF 500V C0G/NP0 2225
  • In Stock:40770
$0.75/pcsRFQ
2225Y0630220KFR Image
  • Part#:2225Y0630220KFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 22PF 63V C0G/NP0 2225
  • In Stock:30407
$1.285/pcsRFQ
1808Y2500120GFT Image
  • Part#:1808Y2500120GFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 12PF 250V C0G/NP0 1808
  • In Stock:70088
$0.344/pcsRFQ
1825Y3K00680GCT Image
  • Part#:1825Y3K00680GCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 68PF 3KV C0G/NP0 1825
  • In Stock:26413
$1.246/pcsRFQ
2220J6300103JCT Image
  • Part#:2220J6300103JCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 10000PF 630V C0G 2220
  • In Stock:45667
$0.763/pcsRFQ
1812Y1K00152MXR Image
  • Part#:1812Y1K00152MXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1500PF 1KV X7R 1812
  • In Stock:77279
$0.259/pcsRFQ
0805J0160152MXT Image
  • Part#:0805J0160152MXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1500PF 16V X7R 0805
  • In Stock:473382
$0.05/pcsRFQ
0505J2500390KQT Image
  • Part#:0505J2500390KQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 39PF 250V C0G/NP0 0505
  • In Stock:136406
$0.171/pcsRFQ
1812J0100333GCR Image
  • Part#:1812J0100333GCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.033UF 10V C0G/NP0 1812
  • In Stock:50315
$0.616/pcsRFQ
1812Y0250334KDT Image
  • Part#:1812Y0250334KDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.33UF 25V X7R 1812
  • In Stock:62933
$0.557/pcsRFQ
1210Y0100330JCT Image
  • Part#:1210Y0100330JCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 33PF 10V C0G/NP0 1210
  • In Stock:124602
$0.172/pcsRFQ
2220J0630393MDR Image
  • Part#:2220J0630393MDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.039UF 63V X7R 2220
  • In Stock:41551
$0.876/pcsRFQ
2220J1K20393KXR Image
  • Part#:2220J1K20393KXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.039UF 1.2KV X7R 2220
  • In Stock:48237
$0.668/pcsRFQ
1210J0250392FFT Image
  • Part#:1210J0250392FFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3900PF 25V C0G/NP0 1210
  • In Stock:36772
$0.909/pcsRFQ
1825Y4K00331MXR Image
  • Part#:1825Y4K00331MXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 330PF 4KV X7R 1825
  • In Stock:65965
$0.288/pcsRFQ
1210Y0500332KFT Image
  • Part#:1210Y0500332KFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3300PF 50V C0G/NP0 1210
  • In Stock:86085
$0.269/pcsRFQ
1825Y3K00121GCR Image
  • Part#:1825Y3K00121GCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 120PF 3KV C0G/NP0 1825
  • In Stock:29435
$1.219/pcsRFQ
2225J2K50102KCR Image
  • Part#:2225J2K50102KCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1000PF 2.5KV C0G 2225
  • In Stock:43273
$0.737/pcsRFQ
1808Y0160273FFR Image
  • Part#:1808Y0160273FFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.027UF 16V C0G/NP0 1808
  • In Stock:36140
$1.001/pcsRFQ
1825Y5000331GCT Image
  • Part#:1825Y5000331GCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 330PF 500V C0G/NP0 1825
  • In Stock:28632
$1.273/pcsRFQ
2225Y5000182JFR Image
  • Part#:2225Y5000182JFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1800PF 500V C0G/NP0 2225
  • In Stock:33016
$1.166/pcsRFQ
1210Y0500270JAT Image
  • Part#:1210Y0500270JAT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 27PF 50V C0G/NP0 1210
  • In Stock:75310
$0.26/pcsRFQ
1808Y0500474KDR Image
  • Part#:1808Y0500474KDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.47UF 50V X7R 1808
  • In Stock:74474
$0.273/pcsRFQ
1210J1000222JDR Image
  • Part#:1210J1000222JDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2200PF 100V X7R 1210
  • In Stock:92948
$0.258/pcsRFQ
0805Y1500430GQT Image
  • Part#:0805Y1500430GQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 43PF 150V C0G/NP0 0805
  • In Stock:69517
$0.325/pcsRFQ
1825J2K50120FCR Image
  • Part#:1825J2K50120FCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 12PF 2.5KV C0G/NP0 1825
  • In Stock:18919
$1.902/pcsRFQ
1210J0250273MXR Image
  • Part#:1210J0250273MXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.027UF 25V X7R 1210
  • In Stock:164031
$0.138/pcsRFQ
2220J2000680FFR Image
  • Part#:2220J2000680FFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 68PF 200V C0G/NP0 2220
  • In Stock:9334
$4.029/pcsRFQ
2225J1000332KCT Image
  • Part#:2225J1000332KCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3300PF 100V C0G/NP0 2225
  • In Stock:42868
$0.795/pcsRFQ
1808Y0160471JFT Image
  • Part#:1808Y0160471JFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 470PF 16V C0G/NP0 1808
  • In Stock:100525
$0.195/pcsRFQ
1206Y1000472KCR Image
  • Part#:1206Y1000472KCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 4700PF 100V C0G/NP0 1206
  • In Stock:149065
$0.151/pcsRFQ
1210Y5000392KDT Image
  • Part#:1210Y5000392KDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3900PF 500V X7R 1210
  • In Stock:147811
$0.162/pcsRFQ
1210Y1000154JET Image
  • Part#:1210Y1000154JET
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.15UF 100V X7R 1210
  • In Stock:79602
$0.392/pcsRFQ
1808JA250151GCRPY2 Image
  • Part#:1808JA250151GCRPY2
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 150PF 250V C0G/NP0 1808
  • In Stock:58739
$0.556/pcsRFQ
1210J1K00392JXR Image
  • Part#:1210J1K00392JXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3900PF 1KV X7R 1210
  • In Stock:120238
$0.178/pcsRFQ
1206Y1000472MER Image
  • Part#:1206Y1000472MER
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 4700PF 100V X7R 1206
  • In Stock:223208
$0.104/pcsRFQ
0603Y0160121JFR Image
  • Part#:0603Y0160121JFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 120PF 16V C0G/NP0 0603
  • In Stock:206298
$0.096/pcsRFQ
0505J0631P50HQT Image
  • Part#:0505J0631P50HQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1.5PF 63V C0G/NP0 0505
  • In Stock:58976
$0.339/pcsRFQ
1812Y0160104JCR Image
  • Part#:1812Y0160104JCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.1UF 16V C0G/NP0 1812
  • In Stock:57431
$0.618/pcsRFQ
2225J1K50471KXR Image
  • Part#:2225J1K50471KXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 470PF 1.5KV X7R 2225
  • In Stock:35388
$0.908/pcsRFQ
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