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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

1812J2K50272JXT Image
  • Part#:1812J2K50272JXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2700PF 2.5KV X7R 1812
  • In Stock:77899
$0.389/pcsRFQ
1206J2000102MXR Image
  • Part#:1206J2000102MXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1000PF 200V X7R 1206
  • In Stock:326720
$0.073/pcsRFQ
1825Y4K00150KCR Image
  • Part#:1825Y4K00150KCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 15PF 4KV C0G/NP0 1825
  • In Stock:64160
$0.299/pcsRFQ
1210Y1K00681JCT Image
  • Part#:1210Y1K00681JCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 680PF 1KV C0G/NP0 1210
  • In Stock:127900
$0.157/pcsRFQ
2220J2000181JCR Image
  • Part#:2220J2000181JCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 180PF 200V C0G/NP0 2220
  • In Stock:49887
$0.751/pcsRFQ
0603J0160100JCT Image
  • Part#:0603J0160100JCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 10PF 16V C0G/NP0 0603
  • In Stock:262262
$0.072/pcsRFQ
1206Y2501P00BFR Image
  • Part#:1206Y2501P00BFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1PF 250V C0G/NP0 1206
  • In Stock:66930
$0.337/pcsRFQ
1812YA250220KCTPY2 Image
  • Part#:1812YA250220KCTPY2
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 22PF 250V C0G/NP0 1812
  • In Stock:79947
$0.381/pcsRFQ
1812YA250471JXRPY2 Image
  • Part#:1812YA250471JXRPY2
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 470PF 250V X7R 1812
  • In Stock:76709
$0.469/pcsRFQ
1812Y0100152KCR Image
  • Part#:1812Y0100152KCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1500PF 10V C0G/NP0 1812
  • In Stock:73966
$0.277/pcsRFQ
0603Y0635P60BFT Image
  • Part#:0603Y0635P60BFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 5.6PF 63V C0G/NP0 0603
  • In Stock:100276
$0.226/pcsRFQ
2225J0500223KDT Image
  • Part#:2225J0500223KDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.022UF 50V X7R 2225
  • In Stock:30864
$0.979/pcsRFQ
2220J5000220GCT Image
  • Part#:2220J5000220GCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 22PF 500V C0G/NP0 2220
  • In Stock:37111
$0.967/pcsRFQ
1812J5000334MXR Image
  • Part#:1812J5000334MXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.33UF 500V X7R 1812
  • In Stock:77757
$0.465/pcsRFQ
1210Y0630394MDT Image
  • Part#:1210Y0630394MDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.39UF 63V X7R 1210
  • In Stock:101033
$0.36/pcsRFQ
1206J6308P20DCR Image
  • Part#:1206J6308P20DCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 8.2PF 630V C0G/NP0 1206
  • In Stock:280715
$0.077/pcsRFQ
0805J5001P10CQT Image
  • Part#:0805J5001P10CQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1.1PF 500V C0G/NP0 0805
  • In Stock:142414
$0.157/pcsRFQ
2220Y0100275KXT Image
  • Part#:2220Y0100275KXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2.7UF 10V X7R 2220
  • In Stock:32736
$1.084/pcsRFQ
1206J1K00101GFR Image
  • Part#:1206J1K00101GFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 100PF 1KV C0G/NP0 1206
  • In Stock:84996
$0.262/pcsRFQ
1812Y2K00682KXT Image
  • Part#:1812Y2K00682KXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 6800PF 2KV X7R 1812
  • In Stock:81073
$0.392/pcsRFQ
1206Y0500360JQT Image
  • Part#:1206Y0500360JQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 36PF 50V C0G/NP0 1206
  • In Stock:116667
$0.177/pcsRFQ
1206J0630181KXT Image
  • Part#:1206J0630181KXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 180PF 63V X7R 1206
  • In Stock:258523
$0.08/pcsRFQ
1825Y0250120JCR Image
  • Part#:1825Y0250120JCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 12PF 25V C0G/NP0 1825
  • In Stock:44060
$0.887/pcsRFQ
2220Y2K50821MXT Image
  • Part#:2220Y2K50821MXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 820PF 2.5KV X7R 2220
  • In Stock:78635
$0.482/pcsRFQ
1210J5000681JAT Image
  • Part#:1210J5000681JAT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 680PF 500V C0G/NP0 1210
  • In Stock:114770
$0.209/pcsRFQ
0603J0250100JCR Image
  • Part#:0603J0250100JCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 10PF 25V C0G/NP0 0603
  • In Stock:313412
$0.067/pcsRFQ
2220J0160563MDT Image
  • Part#:2220J0160563MDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.056UF 16V X7R 2220
  • In Stock:44891
$0.854/pcsRFQ
1812Y5000331JCT Image
  • Part#:1812Y5000331JCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 330PF 500V C0G/NP0 1812
  • In Stock:76373
$0.292/pcsRFQ
1812J0250153JDR Image
  • Part#:1812J0250153JDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.015UF 25V X7R 1812
  • In Stock:90466
$0.428/pcsRFQ
2220Y2000470KFR Image
  • Part#:2220Y2000470KFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 47PF 200V C0G/NP0 2220
  • In Stock:30287
$1.213/pcsRFQ
2225Y0100271FCT Image
  • Part#:2225Y0100271FCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 270PF 10V C0G/NP0 2225
  • In Stock:8276
$3.694/pcsRFQ
0805Y1000183MDT Image
  • Part#:0805Y1000183MDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.018UF 100V X7R 0805
  • In Stock:229579
$0.095/pcsRFQ
0805Y0160681KDR Image
  • Part#:0805Y0160681KDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 680PF 16V X7R 0805
  • In Stock:297631
$0.073/pcsRFQ
1111J5002P40HQT Image
  • Part#:1111J5002P40HQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2.4PF 500V C0G/NP0 1111
  • In Stock:59775
$0.568/pcsRFQ
2225J0160563GFT Image
  • Part#:2225J0160563GFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.056UF 16V C0G/NP0 2225
  • In Stock:10593
$2.994/pcsRFQ
1812J2000181JFT Image
  • Part#:1812J2000181JFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 180PF 200V C0G/NP0 1812
  • In Stock:94105
$0.399/pcsRFQ
0805Y0160101KCR Image
  • Part#:0805Y0160101KCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 100PF 16V C0G/NP0 0805
  • In Stock:389504
$0.053/pcsRFQ
2225Y0250820FFR Image
  • Part#:2225Y0250820FFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 82PF 25V C0G/NP0 2225
  • In Stock:5562
$5.482/pcsRFQ
1206J1000680FAT Image
  • Part#:1206J1000680FAT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 68PF 100V C0G/NP0 1206
  • In Stock:87315
$0.401/pcsRFQ
1206Y6304P70CQT Image
  • Part#:1206Y6304P70CQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 4.7PF 630V C0G/NP0 1206
  • In Stock:103743
$0.221/pcsRFQ
2225J1K50683KXR Image
  • Part#:2225J1K50683KXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.068UF 1.5KV X7R 2225
  • In Stock:34066
$1.107/pcsRFQ
0805J0639P10HQT Image
  • Part#:0805J0639P10HQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 9.1PF 63V C0G/NP0 0805
  • In Stock:41801
$0.752/pcsRFQ
1808Y5000121GCT Image
  • Part#:1808Y5000121GCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 120PF 500V C0G/NP0 1808
  • In Stock:82270
$0.279/pcsRFQ
0805J3000221GQT Image
  • Part#:0805J3000221GQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 220PF 300V C0G/NP0 0805
  • In Stock:80030
$0.417/pcsRFQ
2225Y0630472KCR Image
  • Part#:2225Y0630472KCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 4700PF 63V C0G/NP0 2225
  • In Stock:43751
$0.901/pcsRFQ
2220Y0500183KCR Image
  • Part#:2220Y0500183KCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.018UF 50V C0G/NP0 2220
  • In Stock:39496
$0.843/pcsRFQ
1206Y6300101GAT Image
  • Part#:1206Y6300101GAT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 100PF 630V C0G/NP0 1206
  • In Stock:96175
$0.234/pcsRFQ
1808J0100272KXR Image
  • Part#:1808J0100272KXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2700PF 10V X7R 1808
  • In Stock:199092
$0.112/pcsRFQ
  • Part#:0805Y0500151JAR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0805
  • In Stock:320620
$0.066/pcsRFQ
2225Y2500682KCR Image
  • Part#:2225Y2500682KCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 6800PF 250V C0G/NP0 2225
  • In Stock:33298
$1.106/pcsRFQ
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