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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

1808J2500123KDR Image
  • Part#:1808J2500123KDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.012UF 250V X7R 1808
  • In Stock:136443
$0.171/pcsRFQ
1812J2500472KFR Image
  • Part#:1812J2500472KFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 4700PF 250V C0G/NP0 1812
  • In Stock:67649
$0.448/pcsRFQ
0505J3009P10BQT Image
  • Part#:0505J3009P10BQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 9.1PF 300V C0G/NP0 0505
  • In Stock:69182
$0.54/pcsRFQ
1808J5000221JXT Image
  • Part#:1808J5000221JXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 220PF 500V X7R 1808
  • In Stock:91585
$0.216/pcsRFQ
2220Y0160684MDT Image
  • Part#:2220Y0160684MDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.68UF 16V X7R 2220
  • In Stock:31187
$1.144/pcsRFQ
1812J1000181GAR Image
  • Part#:1812J1000181GAR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 180PF 100V C0G/NP0 1812
  • In Stock:58886
$0.651/pcsRFQ
2225J1K00222FCT Image
  • Part#:2225J1K00222FCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2200PF 1KV C0G/NP0 2225
  • In Stock:16211
$2.129/pcsRFQ
1812Y1000822JER Image
  • Part#:1812Y1000822JER
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 8200PF 100V X7R 1812
  • In Stock:77271
$0.506/pcsRFQ
1206Y2500472JDT Image
  • Part#:1206Y2500472JDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 4700PF 250V X7R 1206
  • In Stock:157544
$0.146/pcsRFQ
2220Y1K00102JFR Image
  • Part#:2220Y1K00102JFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1000PF 1KV C0G/NP0 2220
  • In Stock:42790
$0.873/pcsRFQ
  • Part#:1206Y2501P10CQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER HIGH Q 1206
  • In Stock:129022
$0.152/pcsRFQ
2225J0250473KFT Image
  • Part#:2225J0250473KFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.047UF 25V C0G/NP0 2225
  • In Stock:24417
$1.581/pcsRFQ
2225Y6300122FCR Image
  • Part#:2225Y6300122FCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1200PF 630V C0G/NP0 2225
  • In Stock:13051
$2.654/pcsRFQ
2225J1000101FCR Image
  • Part#:2225J1000101FCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 100PF 100V C0G/NP0 2225
  • In Stock:13950
$2.801/pcsRFQ
2225Y0630153JCR Image
  • Part#:2225Y0630153JCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.015UF 63V C0G/NP0 2225
  • In Stock:28735
$1.064/pcsRFQ
2220Y1000472FCT Image
  • Part#:2220Y1000472FCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 4700PF 100V C0G/NP0 2220
  • In Stock:13548
$2.681/pcsRFQ
2220J2K00120GCR Image
  • Part#:2220J2K00120GCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 12PF 2KV C0G/NP0 2220
  • In Stock:39493
$0.92/pcsRFQ
1812J1K20152GCT Image
  • Part#:1812J1K20152GCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1500PF 1.2KV C0G 1812
  • In Stock:53796
$0.567/pcsRFQ
1808J1000680FCR Image
  • Part#:1808J1000680FCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 68PF 100V C0G/NP0 1808
  • In Stock:101474
$0.361/pcsRFQ
1825Y0100183FCR Image
  • Part#:1825Y0100183FCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.018UF 10V C0G/NP0 1825
  • In Stock:10092
$3.263/pcsRFQ
2225J1000390JFR Image
  • Part#:2225J1000390JFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 39PF 100V C0G/NP0 2225
  • In Stock:29786
$1.188/pcsRFQ
0603J3000560FQT Image
  • Part#:0603J3000560FQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 56PF 300V C0G/NP0 0603
  • In Stock:66248
$0.313/pcsRFQ
2225Y5000123KXT Image
  • Part#:2225Y5000123KXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.012UF 500V X7R 2225
  • In Stock:46721
$0.681/pcsRFQ
1825J0630823KXR Image
  • Part#:1825J0630823KXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.082UF 63V X7R 1825
  • In Stock:56945
$0.679/pcsRFQ
2225Y1000680FFT Image
  • Part#:2225Y1000680FFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 68PF 100V C0G/NP0 2225
  • In Stock:8576
$4.552/pcsRFQ
1111Y250P300HQT Image
  • Part#:1111Y250P300HQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.3PF 250V C0G/NP0 1111
  • In Stock:77633
$0.491/pcsRFQ
2220Y0100105MXT Image
  • Part#:2220Y0100105MXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1UF 10V X7R 2220
  • In Stock:40641
$0.829/pcsRFQ
0805J0630822MXR Image
  • Part#:0805J0630822MXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 8200PF 63V X7R 0805
  • In Stock:459299
$0.05/pcsRFQ
1808Y0250681GCT Image
  • Part#:1808Y0250681GCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 680PF 25V C0G/NP0 1808
  • In Stock:113533
$0.206/pcsRFQ
0805Y0500101KCR Image
  • Part#:0805Y0500101KCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 100PF 50V C0G/NP0 0805
  • In Stock:395993
$0.052/pcsRFQ
1206J0160223KXR Image
  • Part#:1206J0160223KXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.022UF 16V X7R 1206
  • In Stock:257919
$0.076/pcsRFQ
1206J2500123JXT Image
  • Part#:1206J2500123JXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.012UF 250V X7R 1206
  • In Stock:210094
$0.109/pcsRFQ
1210Y1K20471GCR Image
  • Part#:1210Y1K20471GCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 470PF 1.2KV C0G/NP0 1210
  • In Stock:54676
$0.358/pcsRFQ
1206J2001P50BQT Image
  • Part#:1206J2001P50BQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1.5PF 200V C0G/NP0 1206
  • In Stock:113693
$0.188/pcsRFQ
  • Part#:1812J0630682GAT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1812
  • In Stock:49585
$0.719/pcsRFQ
1812Y0250121FFT Image
  • Part#:1812Y0250121FFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 120PF 25V C0G/NP0 1812
  • In Stock:20973
$1.473/pcsRFQ
1206J5000472JXR Image
  • Part#:1206J5000472JXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 4700PF 500V X7R 1206
  • In Stock:239979
$0.078/pcsRFQ
1210J0250124MDT Image
  • Part#:1210J0250124MDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.12UF 25V X7R 1210
  • In Stock:90428
$0.227/pcsRFQ
  • Part#:1210J0250822JCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1210
  • In Stock:130731
$0.163/pcsRFQ
0603J2000391KDR Image
  • Part#:0603J2000391KDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 390PF 200V X7R 0603
  • In Stock:400719
$0.06/pcsRFQ
1206Y0500121KDT Image
  • Part#:1206Y0500121KDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 120PF 50V X7R 1206
  • In Stock:201128
$0.114/pcsRFQ
2220J0630473JDT Image
  • Part#:2220J0630473JDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.047UF 63V X7R 2220
  • In Stock:26979
$1.13/pcsRFQ
1808J0160151JCR Image
  • Part#:1808J0160151JCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 150PF 16V C0G/NP0 1808
  • In Stock:176672
$0.115/pcsRFQ
0805J0108P20DCR Image
  • Part#:0805J0108P20DCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 8.2PF 10V C0G/NP0 0805
  • In Stock:391783
$0.052/pcsRFQ
1808J2000393MXR Image
  • Part#:1808J2000393MXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.039UF 200V X7R 1808
  • In Stock:121395
$0.186/pcsRFQ
1825J0100102KCR Image
  • Part#:1825J0100102KCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1000PF 10V C0G/NP0 1825
  • In Stock:53827
$0.686/pcsRFQ
1812J2000224KXT Image
  • Part#:1812J2000224KXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.22UF 200V X7R 1812
  • In Stock:80830
$0.377/pcsRFQ
1206J5000681JCT Image
  • Part#:1206J5000681JCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 680PF 500V C0G/NP0 1206
  • In Stock:225807
$0.107/pcsRFQ
0805Y0500330GCT Image
  • Part#:0805Y0500330GCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 33PF 50V C0G/NP0 0805
  • In Stock:202626
$0.1/pcsRFQ
0805J0505P60DFR Image
  • Part#:0805J0505P60DFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 5.6PF 50V C0G/NP0 0805
  • In Stock:312108
$0.077/pcsRFQ
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