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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

2225Y1K50332JXR Image
  • Part#:2225Y1K50332JXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3300PF 1.5KV X7R 2225
  • In Stock:46226
$0.786/pcsRFQ
1825J0100123KXR Image
  • Part#:1825J0100123KXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.012UF 10V X7R 1825
  • In Stock:64724
$0.61/pcsRFQ
0805J0500152FFT Image
  • Part#:0805J0500152FFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1500PF 50V C0G/NP0 0805
  • In Stock:91831
$0.389/pcsRFQ
1210J0630180KCR Image
  • Part#:1210J0630180KCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 18PF 63V C0G/NP0 1210
  • In Stock:128365
$0.151/pcsRFQ
1206Y5000391GFT Image
  • Part#:1206Y5000391GFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 390PF 500V C0G/NP0 1206
  • In Stock:76722
$0.248/pcsRFQ
0805Y500P600BQT Image
  • Part#:0805Y500P600BQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.6PF 500V C0G/NP0 0805
  • In Stock:148928
$0.159/pcsRFQ
0805J0160150KFT Image
  • Part#:0805J0160150KFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 15PF 16V C0G/NP0 0805
  • In Stock:234561
$0.082/pcsRFQ
1808Y2K50151KXT Image
  • Part#:1808Y2K50151KXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 150PF 2.5KV X7R 1808
  • In Stock:135918
$0.16/pcsRFQ
1812J5000332KDR Image
  • Part#:1812J5000332KDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3300PF 500V X7R 1812
  • In Stock:67115
$0.358/pcsRFQ
1808Y0500153JFR Image
  • Part#:1808Y0500153JFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.015UF 50V C0G/NP0 1808
  • In Stock:79192
$0.302/pcsRFQ
0805Y0630152KCR Image
  • Part#:0805Y0630152KCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1500PF 63V C0G/NP0 0805
  • In Stock:294280
$0.075/pcsRFQ
2225J1K00820FCR Image
  • Part#:2225J1K00820FCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 82PF 1KV C0G/NP0 2225
  • In Stock:18872
$1.838/pcsRFQ
2225Y2K50561FCT Image
  • Part#:2225Y2K50561FCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 560PF 2.5KV C0G/NP0 2225
  • In Stock:14447
$2.276/pcsRFQ
2225J0100393FCT Image
  • Part#:2225J0100393FCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.039UF 10V C0G/NP0 2225
  • In Stock:9621
$3.758/pcsRFQ
1210Y1K00472KXR Image
  • Part#:1210Y1K00472KXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 4700PF 1KV X7R 1210
  • In Stock:141537
$0.14/pcsRFQ
0603J1000180JQT Image
  • Part#:0603J1000180JQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 18PF 100V C0G/NP0 0603
  • In Stock:155395
$0.125/pcsRFQ
2225J2500221GFT Image
  • Part#:2225J2500221GFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 220PF 250V C0G/NP0 2225
  • In Stock:14778
$2.241/pcsRFQ
1825Y6300151JCT Image
  • Part#:1825Y6300151JCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 150PF 630V C0G/NP0 1825
  • In Stock:44947
$0.674/pcsRFQ
1206Y0100121GCR Image
  • Part#:1206Y0100121GCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 120PF 10V C0G/NP0 1206
  • In Stock:129498
$0.149/pcsRFQ
0603J0161P50DFT Image
  • Part#:0603J0161P50DFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1.5PF 16V C0G/NP0 0603
  • In Stock:232875
$0.091/pcsRFQ
0805Y0100332JCT Image
  • Part#:0805Y0100332JCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3300PF 10V C0G/NP0 0805
  • In Stock:248792
$0.092/pcsRFQ
1206J1000150FFR Image
  • Part#:1206J1000150FFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 15PF 100V C0G/NP0 1206
  • In Stock:82792
$0.392/pcsRFQ
1206Y2000331JDT Image
  • Part#:1206Y2000331JDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 330PF 200V X7R 1206
  • In Stock:128728
$0.149/pcsRFQ
1808J2K55P60CCR Image
  • Part#:1808J2K55P60CCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 5.6PF 2.5KV C0G/NP0 1808
  • In Stock:100978
$0.196/pcsRFQ
1808J2500333JDT Image
  • Part#:1808J2500333JDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.033UF 250V X7R 1808
  • In Stock:80872
$0.398/pcsRFQ
1206J0500181KCR Image
  • Part#:1206J0500181KCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 180PF 50V C0G/NP0 1206
  • In Stock:250705
$0.079/pcsRFQ
2220J2K00271KCT Image
  • Part#:2220J2K00271KCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 270PF 2KV C0G/NP0 2220
  • In Stock:61173
$0.518/pcsRFQ
0805Y5000272KDT Image
  • Part#:0805Y5000272KDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2700PF 500V X7R 0805
  • In Stock:247249
$0.083/pcsRFQ
1206Y1000221KAT Image
  • Part#:1206Y1000221KAT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 220PF 100V C0G/NP0 1206
  • In Stock:158620
$0.129/pcsRFQ
1206Y1000332JDR Image
  • Part#:1206Y1000332JDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3300PF 100V X7R 1206
  • In Stock:169802
$0.137/pcsRFQ
  • Part#:2225Y0500394MXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2225
  • In Stock:43945
$0.691/pcsRFQ
2225J0500275MDR Image
  • Part#:2225J0500275MDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2.7UF 50V X7R 2225
  • In Stock:23703
$1.614/pcsRFQ
2225J1K00272KXT Image
  • Part#:2225J1K00272KXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2700PF 1KV X7R 2225
  • In Stock:56887
$0.597/pcsRFQ
1808J1K50331FCR Image
  • Part#:1808J1K50331FCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 330PF 1.5KV C0G/NP0 1808
  • In Stock:68820
$0.554/pcsRFQ
1825J1K00101KCT Image
  • Part#:1825J1K00101KCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 100PF 1KV C0G/NP0 1825
  • In Stock:64743
$0.526/pcsRFQ
1206Y0100824JXT Image
  • Part#:1206Y0100824JXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.82UF 10V X7R 1206
  • In Stock:98295
$0.21/pcsRFQ
1812J6300270JCR Image
  • Part#:1812J6300270JCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 27PF 630V C0G/NP0 1812
  • In Stock:79396
$0.243/pcsRFQ
1210Y6308P20DAR Image
  • Part#:1210Y6308P20DAR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 8.2PF 630V C0G/NP0 1210
  • In Stock:106481
$0.176/pcsRFQ
1825Y0250391FCR Image
  • Part#:1825Y0250391FCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 390PF 25V C0G/NP0 1825
  • In Stock:13347
$2.737/pcsRFQ
0603J0630430FQT Image
  • Part#:0603J0630430FQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 43PF 63V C0G/NP0 0603
  • In Stock:78940
$0.301/pcsRFQ
1812Y0500102GFR Image
  • Part#:1812Y0500102GFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1000PF 50V C0G/NP0 1812
  • In Stock:45306
$0.741/pcsRFQ
0805Y0250270KCT Image
  • Part#:0805Y0250270KCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 27PF 25V C0G/NP0 0805
  • In Stock:371128
$0.057/pcsRFQ
1210Y0500120GFT Image
  • Part#:1210Y0500120GFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 12PF 50V C0G/NP0 1210
  • In Stock:80721
$0.451/pcsRFQ
1206Y0250334JXR Image
  • Part#:1206Y0250334JXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.33UF 25V X7R 1206
  • In Stock:122129
$0.16/pcsRFQ
1206J0500181JFT Image
  • Part#:1206J0500181JFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 180PF 50V C0G/NP0 1206
  • In Stock:182376
$0.129/pcsRFQ
1808J0160331GFT Image
  • Part#:1808J0160331GFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 330PF 16V C0G/NP0 1808
  • In Stock:72405
$0.294/pcsRFQ
1808Y0250153JXR Image
  • Part#:1808Y0250153JXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.015UF 25V X7R 1808
  • In Stock:116371
$0.201/pcsRFQ
1206J1K01P20BFT Image
  • Part#:1206J1K01P20BFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1.2PF 1KV C0G/NP0 1206
  • In Stock:84791
$0.449/pcsRFQ
1210Y1K00101KCT Image
  • Part#:1210Y1K00101KCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 100PF 1KV C0G/NP0 1210
  • In Stock:156646
$0.128/pcsRFQ
1210Y1000102GCT Image
  • Part#:1210Y1000102GCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1000PF 100V C0G/NP0 1210
  • In Stock:62052
$0.329/pcsRFQ
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