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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

1808J5000821JDR Image
  • Part#:1808J5000821JDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 820PF 500V X7R 1808
  • In Stock:80165
$0.273/pcsRFQ
2225J5K00681MXT Image
  • Part#:2225J5K00681MXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 680PF 5KV X7R 2225
  • In Stock:95380
$0.376/pcsRFQ
1808J0100151GCR Image
  • Part#:1808J0100151GCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 150PF 10V C0G/NP0 1808
  • In Stock:126719
$0.178/pcsRFQ
1808Y3K00151MXT Image
  • Part#:1808Y3K00151MXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 150PF 3KV X7R 1808
  • In Stock:143467
$0.156/pcsRFQ
2225J0160560FFT Image
  • Part#:2225J0160560FFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 56PF 16V C0G/NP0 2225
  • In Stock:6257
$4.923/pcsRFQ
1206J1503P90DQT Image
  • Part#:1206J1503P90DQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3.9PF 150V C0G/NP0 1206
  • In Stock:111254
$0.207/pcsRFQ
2225Y2K50330FCT Image
  • Part#:2225Y2K50330FCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 33PF 2.5KV C0G/NP0 2225
  • In Stock:14731
$2.154/pcsRFQ
0805J5003P90DFT Image
  • Part#:0805J5003P90DFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3.9PF 500V C0G/NP0 0805
  • In Stock:246843
$0.077/pcsRFQ
2225Y2500121KFT Image
  • Part#:2225Y2500121KFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 120PF 250V C0G/NP0 2225
  • In Stock:22752
$1.355/pcsRFQ
2220J5K00222JXR Image
  • Part#:2220J5K00222JXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2200PF 5KV X7R 2220
  • In Stock:82829
$0.453/pcsRFQ
1206Y1001P30HQT Image
  • Part#:1206Y1001P30HQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1.3PF 100V C0G/NP0 1206
  • In Stock:69488
$0.326/pcsRFQ
2220Y1K00121FFT Image
  • Part#:2220Y1K00121FFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 120PF 1KV C0G/NP0 2220
  • In Stock:12379
$2.644/pcsRFQ
1206Y0500101FAT Image
  • Part#:1206Y0500101FAT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 100PF 50V C0G/NP0 1206
  • In Stock:80271
$0.41/pcsRFQ
0603Y0630560FAT Image
  • Part#:0603Y0630560FAT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 56PF 63V C0G/NP0 0603
  • In Stock:80607
$0.256/pcsRFQ
1210J1K20270KCT Image
  • Part#:1210J1K20270KCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 27PF 1.2KV C0G/NP0 1210
  • In Stock:209923
$0.113/pcsRFQ
0603J0631P00CFT Image
  • Part#:0603J0631P00CFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1PF 63V C0G/NP0 0603
  • In Stock:212856
$0.106/pcsRFQ
  • Part#:0603Y0500271JFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 270PF 50V C0G/NP0 0603
  • In Stock:336072
$0.069/pcsRFQ
0805J5000240KQT Image
  • Part#:0805J5000240KQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 24PF 500V C0G/NP0 0805
  • In Stock:122086
$0.161/pcsRFQ
2225J0630220KFT Image
  • Part#:2225J0630220KFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 22PF 63V C0G/NP0 2225
  • In Stock:29697
$1.126/pcsRFQ
1206Y0100101KXR Image
  • Part#:1206Y0100101KXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 100PF 10V X7R 1206
  • In Stock:276050
$0.083/pcsRFQ
1808J0500152KCT Image
  • Part#:1808J0500152KCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1500PF 50V C0G/NP0 1808
  • In Stock:184416
$0.121/pcsRFQ
2225J1K00471GFR Image
  • Part#:2225J1K00471GFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 470PF 1KV C0G/NP0 2225
  • In Stock:18700
$2.024/pcsRFQ
0805Y0500562FCT Image
  • Part#:0805Y0500562FCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 5600PF 50V C0G/NP0 0805
  • In Stock:58798
$0.327/pcsRFQ
1210J0160824MXR Image
  • Part#:1210J0160824MXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.82UF 16V X7R 1210
  • In Stock:95866
$0.238/pcsRFQ
1206J0160122FFR Image
  • Part#:1206J0160122FFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1200PF 16V C0G/NP0 1206
  • In Stock:74684
$0.484/pcsRFQ
1210J1K00390KCR Image
  • Part#:1210J1K00390KCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 39PF 1KV C0G/NP0 1210
  • In Stock:180856
$0.111/pcsRFQ
0603Y1500101GQT Image
  • Part#:0603Y1500101GQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 100PF 150V C0G/NP0 0603
  • In Stock:67617
$0.309/pcsRFQ
1210J6300221GAR Image
  • Part#:1210J6300221GAR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 220PF 630V C0G/NP0 1210
  • In Stock:63853
$0.319/pcsRFQ
2220Y6300274MXR Image
  • Part#:2220Y6300274MXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.27UF 630V X7R 2220
  • In Stock:24007
$1.295/pcsRFQ
1825Y3K00220FCR Image
  • Part#:1825Y3K00220FCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 22PF 3KV C0G/NP0 1825
  • In Stock:15853
$2.328/pcsRFQ
2225Y4K00560JCT Image
  • Part#:2225Y4K00560JCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 56PF 4KV C0G/NP0 2225
  • In Stock:68248
$0.437/pcsRFQ
1210Y1000331FCT Image
  • Part#:1210Y1000331FCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 330PF 100V C0G/NP0 1210
  • In Stock:64754
$0.582/pcsRFQ
1210Y5000561JXR Image
  • Part#:1210Y5000561JXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 560PF 500V X7R 1210
  • In Stock:166632
$0.137/pcsRFQ
1206J0630470GFR Image
  • Part#:1206J0630470GFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 47PF 63V C0G/NP0 1206
  • In Stock:100662
$0.197/pcsRFQ
1825Y2000820FCT Image
  • Part#:1825Y2000820FCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 82PF 200V C0G/NP0 1825
  • In Stock:10262
$3.283/pcsRFQ
1210Y0630561KAR Image
  • Part#:1210Y0630561KAR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 560PF 63V C0G/NP0 1210
  • In Stock:82097
$0.237/pcsRFQ
1808J1000560FFR Image
  • Part#:1808J1000560FFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 56PF 100V C0G/NP0 1808
  • In Stock:62683
$0.536/pcsRFQ
1812J5000680GFT Image
  • Part#:1812J5000680GFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 68PF 500V C0G/NP0 1812
  • In Stock:47451
$0.637/pcsRFQ
1206J6300121JAT Image
  • Part#:1206J6300121JAT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 120PF 630V C0G/NP0 1206
  • In Stock:180038
$0.127/pcsRFQ
1210Y1K08P20CAT Image
  • Part#:1210Y1K08P20CAT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 8.2PF 1KV C0G/NP0 1210
  • In Stock:72156
$0.333/pcsRFQ
1206J1000151JCR Image
  • Part#:1206J1000151JCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 150PF 100V C0G/NP0 1206
  • In Stock:265975
$0.084/pcsRFQ
1206J0630153JCT Image
  • Part#:1206J0630153JCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.015UF 63V C0G/NP0 1206
  • In Stock:106103
$0.178/pcsRFQ
0603J150P700BQT Image
  • Part#:0603J150P700BQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.7PF 150V C0G/NP0 0603
  • In Stock:237742
$0.086/pcsRFQ
1825J0250183KXT Image
  • Part#:1825J0250183KXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.018UF 25V X7R 1825
  • In Stock:56171
$0.687/pcsRFQ
1206Y0630102GCR Image
  • Part#:1206Y0630102GCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1000PF 63V C0G/NP0 1206
  • In Stock:139656
$0.16/pcsRFQ
1808Y4K00221KXT Image
  • Part#:1808Y4K00221KXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 220PF 4KV X7R 1808
  • In Stock:121331
$0.173/pcsRFQ
1206Y0250221GFR Image
  • Part#:1206Y0250221GFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 220PF 25V C0G/NP0 1206
  • In Stock:91607
$0.226/pcsRFQ
1210J1000100GCR Image
  • Part#:1210J1000100GCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 10PF 100V C0G/NP0 1210
  • In Stock:80989
$0.279/pcsRFQ
1210Y0500471JCR Image
  • Part#:1210Y0500471JCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 470PF 50V C0G/NP0 1210
  • In Stock:127632
$0.166/pcsRFQ
2225Y5000390FCR Image
  • Part#:2225Y5000390FCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 39PF 500V C0G/NP0 2225
  • In Stock:14662
$2.212/pcsRFQ
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