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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

1812Y6300683KER Image
  • Part#:1812Y6300683KER
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.068UF 630V X7R 1812
  • In Stock:62177
$0.5/pcsRFQ
1206Y5000271MXT Image
  • Part#:1206Y5000271MXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 270PF 500V X7R 1206
  • In Stock:306648
$0.066/pcsRFQ
1812YA250100FCRSY2 Image
  • Part#:1812YA250100FCRSY2
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 10PF 250V C0G/NP0 1812
  • In Stock:28907
$1.354/pcsRFQ
0505J2504P00HQT Image
  • Part#:0505J2504P00HQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 4PF 250V C0G/NP0 0505
  • In Stock:66717
$0.587/pcsRFQ
2225Y0100155KXT Image
  • Part#:2225Y0100155KXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1.5UF 10V X7R 2225
  • In Stock:29292
$1.043/pcsRFQ
1206J0630272FAR Image
  • Part#:1206J0630272FAR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2700PF 63V C0G/NP0 1206
  • In Stock:71040
$0.516/pcsRFQ
1812JA250221KXRPY2 Image
  • Part#:1812JA250221KXRPY2
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 220PF 250V X7R 1812
  • In Stock:61645
$0.336/pcsRFQ
1808Y1K20390KCT Image
  • Part#:1808Y1K20390KCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 39PF 1.2KV C0G/NP0 1808
  • In Stock:127499
$0.151/pcsRFQ
2220J1000183KCR Image
  • Part#:2220J1000183KCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.018UF 100V C0G 2220
  • In Stock:47471
$0.777/pcsRFQ
0603Y0250152MXR Image
  • Part#:0603Y0250152MXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1500PF 25V X7R 0603
  • In Stock:565972
$0.042/pcsRFQ
1825Y2000182FCR Image
  • Part#:1825Y2000182FCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1800PF 200V C0G/NP0 1825
  • In Stock:11736
$3.035/pcsRFQ
1825Y1000120GCT Image
  • Part#:1825Y1000120GCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 12PF 100V C0G/NP0 1825
  • In Stock:23160
$1.539/pcsRFQ
0603J2507P50HQT Image
  • Part#:0603J2507P50HQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 7.5PF 250V C0G/NP0 0603
  • In Stock:64153
$0.497/pcsRFQ
0805J0506P80BCT Image
  • Part#:0805J0506P80BCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 6.8PF 50V C0G/NP0 0805
  • In Stock:113162
$0.177/pcsRFQ
1206J1K09P10BQT Image
  • Part#:1206J1K09P10BQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 9.1PF 1KV C0G/NP0 1206
  • In Stock:58614
$0.635/pcsRFQ
2220J2500105JXT Image
  • Part#:2220J2500105JXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1UF 250V X7R 2220
  • In Stock:28862
$1.236/pcsRFQ
1206J6300150GAT Image
  • Part#:1206J6300150GAT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 15PF 630V C0G/NP0 1206
  • In Stock:109817
$0.212/pcsRFQ
1812J0100332GCT Image
  • Part#:1812J0100332GCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3300PF 10V C0G/NP0 1812
  • In Stock:73179
$0.498/pcsRFQ
0603Y0500122JET Image
  • Part#:0603Y0500122JET
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1200PF 50V X7R 0603
  • In Stock:300029
$0.08/pcsRFQ
1812Y1K00391FFT Image
  • Part#:1812Y1K00391FFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 390PF 1KV C0G/NP0 1812
  • In Stock:23444
$1.462/pcsRFQ
1812Y6300180JAT Image
  • Part#:1812Y6300180JAT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 18PF 630V C0G/NP0 1812
  • In Stock:74969
$0.416/pcsRFQ
1206J5000151JCT Image
  • Part#:1206J5000151JCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 150PF 500V C0G/NP0 1206
  • In Stock:221508
$0.088/pcsRFQ
2225J2000272JFR Image
  • Part#:2225J2000272JFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2700PF 200V C0G/NP0 2225
  • In Stock:24245
$1.466/pcsRFQ
0603J0250390JCT Image
  • Part#:0603J0250390JCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 39PF 25V C0G/NP0 0603
  • In Stock:295654
$0.065/pcsRFQ
1825Y1000473MXR Image
  • Part#:1825Y1000473MXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.047UF 100V X7R 1825
  • In Stock:39471
$0.759/pcsRFQ
1210Y5003P90DFR Image
  • Part#:1210Y5003P90DFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3.9PF 500V C0G/NP0 1210
  • In Stock:135326
$0.175/pcsRFQ
0805Y0639P10CQT Image
  • Part#:0805Y0639P10CQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 9.1PF 63V C0G/NP0 0805
  • In Stock:91116
$0.22/pcsRFQ
0805Y0160683KDR Image
  • Part#:0805Y0160683KDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.068UF 16V X7R 0805
  • In Stock:195276
$0.115/pcsRFQ
0805Y1003P90DCR Image
  • Part#:0805Y1003P90DCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3.9PF 100V C0G/NP0 0805
  • In Stock:410668
$0.053/pcsRFQ
1206Y0636P80BAT Image
  • Part#:1206Y0636P80BAT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 6.8PF 63V C0G/NP0 1206
  • In Stock:98110
$0.384/pcsRFQ
0603Y0630821GCT Image
  • Part#:0603Y0630821GCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 820PF 63V C0G/NP0 0603
  • In Stock:219951
$0.102/pcsRFQ
1812J1K00821JAR Image
  • Part#:1812J1K00821JAR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 820PF 1KV C0G/NP0 1812
  • In Stock:73187
$0.425/pcsRFQ
1206J1500910FQT Image
  • Part#:1206J1500910FQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 91PF 150V C0G/NP0 1206
  • In Stock:44699
$0.742/pcsRFQ
2220Y1K00121GFT Image
  • Part#:2220Y1K00121GFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 120PF 1KV C0G/NP0 2220
  • In Stock:24214
$1.409/pcsRFQ
2225J2K50821KXR Image
  • Part#:2225J2K50821KXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 820PF 2.5KV X7R 2225
  • In Stock:67956
$0.535/pcsRFQ
2220J5000272JDT Image
  • Part#:2220J5000272JDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2700PF 500V X7R 2220
  • In Stock:42132
$0.795/pcsRFQ
0805Y0100331GCR Image
  • Part#:0805Y0100331GCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 330PF 10V C0G/NP0 0805
  • In Stock:225800
$0.096/pcsRFQ
0805Y2501P60HUT Image
  • Part#:0805Y2501P60HUT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1.6PF 250V C0G/NP0 0805
  • In Stock:58187
$0.353/pcsRFQ
2220J0630330GCT Image
  • Part#:2220J0630330GCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 33PF 63V C0G/NP0 2220
  • In Stock:25830
$1.266/pcsRFQ
1825Y4K00220GCR Image
  • Part#:1825Y4K00220GCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 22PF 4KV C0G/NP0 1825
  • In Stock:70294
$0.557/pcsRFQ
1210J0500822JAR Image
  • Part#:1210J0500822JAR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 8200PF 50V C0G/NP0 1210
  • In Stock:71960
$0.295/pcsRFQ
1206Y1K00560FCT Image
  • Part#:1206Y1K00560FCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 56PF 1KV C0G/NP0 1206
  • In Stock:69976
$0.323/pcsRFQ
1808Y0250824JXR Image
  • Part#:1808Y0250824JXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.82UF 25V X7R 1808
  • In Stock:74168
$0.281/pcsRFQ
1206Y2K06P80CCT Image
  • Part#:1206Y2K06P80CCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 6.8PF 2KV C0G/NP0 1206
  • In Stock:138898
$0.158/pcsRFQ
1812Y1000333KXR Image
  • Part#:1812Y1000333KXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.033UF 100V X7R 1812
  • In Stock:67850
$0.281/pcsRFQ
1812Y1K20821JCR Image
  • Part#:1812Y1K20821JCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 820PF 1.2KV C0G/NP0 1812
  • In Stock:65352
$0.289/pcsRFQ
1825Y1000822JCR Image
  • Part#:1825Y1000822JCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 8200PF 100V C0G/NP0 1825
  • In Stock:46687
$0.836/pcsRFQ
1808Y1000270GCT Image
  • Part#:1808Y1000270GCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 27PF 100V C0G/NP0 1808
  • In Stock:90867
$0.208/pcsRFQ
0603J0630123JDT Image
  • Part#:0603J0630123JDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.012UF 63V X7R 0603
  • In Stock:262040
$0.086/pcsRFQ
1210Y1K00100FAT Image
  • Part#:1210Y1K00100FAT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 10PF 1KV C0G/NP0 1210
  • In Stock:59588
$0.65/pcsRFQ
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