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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

0603J0630330GFT Image
  • Part#:0603J0630330GFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 33PF 63V C0G/NP0 0603
  • In Stock:155818
$0.128/pcsRFQ
0805J2500332JXR Image
  • Part#:0805J2500332JXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3300PF 250V X7R 0805
  • In Stock:286058
$0.076/pcsRFQ
1808Y2K00181FCR Image
  • Part#:1808Y2K00181FCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 180PF 2KV C0G/NP0 1808
  • In Stock:58086
$0.583/pcsRFQ
1210Y0105P60CCT Image
  • Part#:1210Y0105P60CCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 5.6PF 10V C0G/NP0 1210
  • In Stock:88747
$0.263/pcsRFQ
1210Y5005P60DFT Image
  • Part#:1210Y5005P60DFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 5.6PF 500V C0G/NP0 1210
  • In Stock:113843
$0.191/pcsRFQ
2225J2500391FFR Image
  • Part#:2225J2500391FFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 390PF 250V C0G/NP0 2225
  • In Stock:7420
$4.593/pcsRFQ
0805Y050P400HQT Image
  • Part#:0805Y050P400HQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.4PF 50V C0G/NP0 0805
  • In Stock:70276
$0.283/pcsRFQ
1210J0250681FFR Image
  • Part#:1210J0250681FFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 680PF 25V C0G/NP0 1210
  • In Stock:45521
$0.81/pcsRFQ
1210Y1K20182KXR Image
  • Part#:1210Y1K20182KXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1800PF 1.2KV X7R 1210
  • In Stock:135242
$0.157/pcsRFQ
1825J1K50102MXR Image
  • Part#:1825J1K50102MXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1000PF 1.5KV X7R 1825
  • In Stock:76130
$0.443/pcsRFQ
1210Y2500121KFT Image
  • Part#:1210Y2500121KFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 120PF 250V C0G/NP0 1210
  • In Stock:90895
$0.258/pcsRFQ
1812Y0500181FCT Image
  • Part#:1812Y0500181FCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 180PF 50V C0G/NP0 1812
  • In Stock:31033
$1.038/pcsRFQ
0805J0630332JXT Image
  • Part#:0805J0630332JXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3300PF 63V X7R 0805
  • In Stock:301024
$0.073/pcsRFQ
1812Y2000560GCR Image
  • Part#:1812Y2000560GCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 56PF 200V C0G/NP0 1812
  • In Stock:65182
$0.483/pcsRFQ
2220Y2000680KFR Image
  • Part#:2220Y2000680KFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 68PF 200V C0G/NP0 2220
  • In Stock:29143
$1.208/pcsRFQ
1206J1000100GFT Image
  • Part#:1206J1000100GFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 10PF 100V C0G/NP0 1206
  • In Stock:123226
$0.172/pcsRFQ
1111Y3000201JQT Image
  • Part#:1111Y3000201JQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 200PF 300V C0G/NP0 1111
  • In Stock:85019
$0.393/pcsRFQ
1825Y0250393KCT Image
  • Part#:1825Y0250393KCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.039UF 25V C0G/NP0 1825
  • In Stock:30168
$1.026/pcsRFQ
1812Y3K00331JXT Image
  • Part#:1812Y3K00331JXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 330PF 3KV X7R 1812
  • In Stock:102393
$0.377/pcsRFQ
2220Y1K00561JXT Image
  • Part#:2220Y1K00561JXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 560PF 1KV X7R 2220
  • In Stock:47356
$0.66/pcsRFQ
1210Y0630122KAT Image
  • Part#:1210Y0630122KAT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1200PF 63V C0G/NP0 1210
  • In Stock:84743
$0.259/pcsRFQ
1210J2500332KDR Image
  • Part#:1210J2500332KDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3300PF 250V X7R 1210
  • In Stock:93223
$0.22/pcsRFQ
1825J2000153JXR Image
  • Part#:1825J2000153JXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.015UF 200V X7R 1825
  • In Stock:38744
$0.837/pcsRFQ
1206Y2505P60HQT Image
  • Part#:1206Y2505P60HQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 5.6PF 250V C0G/NP0 1206
  • In Stock:40429
$0.879/pcsRFQ
1206Y1K51P50CCR Image
  • Part#:1206Y1K51P50CCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1.5PF 1.5KV C0G/NP0 1206
  • In Stock:150924
$0.139/pcsRFQ
1812Y1000394JET Image
  • Part#:1812Y1000394JET
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.39UF 100V X7R 1812
  • In Stock:41366
$0.876/pcsRFQ
1812Y0500333JAR Image
  • Part#:1812Y0500333JAR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.033UF 50V C0G/NP0 1812
  • In Stock:45039
$0.744/pcsRFQ
1812J0160824KDT Image
  • Part#:1812J0160824KDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.82UF 16V X7R 1812
  • In Stock:62431
$0.551/pcsRFQ
0805Y2000562MER Image
  • Part#:0805Y2000562MER
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 5600PF 200V X7R 0805
  • In Stock:268042
$0.086/pcsRFQ
1206J1K20153KXR Image
  • Part#:1206J1K20153KXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.015UF 1.2KV X7R 1206
  • In Stock:181807
$0.113/pcsRFQ
2220Y0160683JFR Image
  • Part#:2220Y0160683JFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.068UF 16V C0G/NP0 2220
  • In Stock:18752
$1.64/pcsRFQ
2220J2500391FFR Image
  • Part#:2220J2500391FFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 390PF 250V C0G/NP0 2220
  • In Stock:10490
$3.57/pcsRFQ
1812J6300272KCT Image
  • Part#:1812J6300272KCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2700PF 630V C0G/NP0 1812
  • In Stock:66346
$0.31/pcsRFQ
1812J5000271JDR Image
  • Part#:1812J5000271JDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 270PF 500V X7R 1812
  • In Stock:62621
$0.352/pcsRFQ
1206J1K50101MXT Image
  • Part#:1206J1K50101MXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 100PF 1.5KV X7R 1206
  • In Stock:230143
$0.086/pcsRFQ
0805J2000222JDT Image
  • Part#:0805J2000222JDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2200PF 200V X7R 0805
  • In Stock:185242
$0.116/pcsRFQ
2220Y1000222GCR Image
  • Part#:2220Y1000222GCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2200PF 100V C0G/NP0 2220
  • In Stock:23813
$1.331/pcsRFQ
1825Y1K50152KCT Image
  • Part#:1825Y1K50152KCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1500PF 1.5KV C0G 1825
  • In Stock:55129
$0.623/pcsRFQ
1812J5000181JDR Image
  • Part#:1812J5000181JDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 180PF 500V X7R 1812
  • In Stock:54801
$0.355/pcsRFQ
1812Y6300331MER Image
  • Part#:1812Y6300331MER
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 330PF 630V X7R 1812
  • In Stock:96027
$0.376/pcsRFQ
1206J1K20103MXR Image
  • Part#:1206J1K20103MXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 10000PF 1.2KV X7R 1206
  • In Stock:264178
$0.085/pcsRFQ
1206J0500821FAT Image
  • Part#:1206J0500821FAT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 820PF 50V C0G/NP0 1206
  • In Stock:74711
$0.476/pcsRFQ
2225Y6300123MXR Image
  • Part#:2225Y6300123MXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.012UF 630V X7R 2225
  • In Stock:48798
$0.716/pcsRFQ
1210Y0500153JDT Image
  • Part#:1210Y0500153JDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.015UF 50V X7R 1210
  • In Stock:79911
$0.291/pcsRFQ
1808Y0500182JXT Image
  • Part#:1808Y0500182JXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1800PF 50V X7R 1808
  • In Stock:133238
$0.177/pcsRFQ
1808J5K00180JCR Image
  • Part#:1808J5K00180JCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 18PF 5KV C0G/NP0 1808
  • In Stock:130513
$0.151/pcsRFQ
2225J1K00332FFR Image
  • Part#:2225J1K00332FFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3300PF 1KV C0G/NP0 2225
  • In Stock:10827
$3.171/pcsRFQ
1206Y0500821GCR Image
  • Part#:1206Y0500821GCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 820PF 50V C0G/NP0 1206
  • In Stock:119864
$0.161/pcsRFQ
1812Y5000121KFT Image
  • Part#:1812Y5000121KFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 120PF 500V C0G/NP0 1812
  • In Stock:87420
$0.409/pcsRFQ
1812Y6300182KCR Image
  • Part#:1812Y6300182KCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1800PF 630V C0G/NP0 1812
  • In Stock:67264
$0.283/pcsRFQ
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