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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

1808Y1K20121GCR Image
  • Part#:1808Y1K20121GCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 120PF 1.2KV C0G/NP0 1808
  • In Stock:99369
$0.211/pcsRFQ
1206J0500220JCT Image
  • Part#:1206J0500220JCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 22PF 50V C0G/NP0 1206
  • In Stock:263381
$0.085/pcsRFQ
1825Y2000101JCR Image
  • Part#:1825Y2000101JCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 100PF 200V C0G/NP0 1825
  • In Stock:40069
$0.935/pcsRFQ
2220Y1K00120FCT Image
  • Part#:2220Y1K00120FCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 12PF 1KV C0G/NP0 2220
  • In Stock:19911
$1.782/pcsRFQ
1210J0160122JXT Image
  • Part#:1210J0160122JXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1200PF 16V X7R 1210
  • In Stock:128952
$0.186/pcsRFQ
2225J2000681GFT Image
  • Part#:2225J2000681GFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 680PF 200V C0G/NP0 2225
  • In Stock:12464
$2.665/pcsRFQ
1812J6300120JCR Image
  • Part#:1812J6300120JCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 12PF 630V C0G/NP0 1812
  • In Stock:81849
$0.239/pcsRFQ
1808Y0100561JXT Image
  • Part#:1808Y0100561JXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 560PF 10V X7R 1808
  • In Stock:149329
$0.133/pcsRFQ
2220J0500225KDR Image
  • Part#:2220J0500225KDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2.2UF 50V X7R 2220
  • In Stock:21184
$1.649/pcsRFQ
1206Y0160681JDT Image
  • Part#:1206Y0160681JDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 680PF 16V X7R 1206
  • In Stock:155294
$0.14/pcsRFQ
1210Y0500181FFT Image
  • Part#:1210Y0500181FFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 180PF 50V C0G/NP0 1210
  • In Stock:37932
$0.881/pcsRFQ
1210Y6300331KCT Image
  • Part#:1210Y6300331KCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 330PF 630V C0G/NP0 1210
  • In Stock:161699
$0.128/pcsRFQ
0603Y2001P90HQT Image
  • Part#:0603Y2001P90HQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1.9PF 200V C0G/NP0 0603
  • In Stock:108469
$0.187/pcsRFQ
2225J2000470GCT Image
  • Part#:2225J2000470GCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 47PF 200V C0G/NP0 2225
  • In Stock:25019
$1.499/pcsRFQ
2220Y1K20153JXT Image
  • Part#:2220Y1K20153JXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.015UF 1.2KV X7R 2220
  • In Stock:35242
$0.919/pcsRFQ
1812Y1K00271MET Image
  • Part#:1812Y1K00271MET
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 270PF 1KV X7R 1812
  • In Stock:72766
$0.417/pcsRFQ
0805J1K01P50BCR Image
  • Part#:0805J1K01P50BCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1.5PF 1KV C0G/NP0 0805
  • In Stock:105611
$0.203/pcsRFQ
1812Y5K00470JCT Image
  • Part#:1812Y5K00470JCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 47PF 5KV C0G/NP0 1812
  • In Stock:78895
$0.285/pcsRFQ
1808J0250271KCR Image
  • Part#:1808J0250271KCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 270PF 25V C0G/NP0 1808
  • In Stock:205087
$0.107/pcsRFQ
2220Y2500120KCT Image
  • Part#:2220Y2500120KCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 12PF 250V C0G/NP0 2220
  • In Stock:37782
$0.854/pcsRFQ
0805Y2000123JDR Image
  • Part#:0805Y2000123JDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.012UF 200V X7R 0805
  • In Stock:188313
$0.114/pcsRFQ
1206J0250121KXT Image
  • Part#:1206J0250121KXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1206
  • In Stock:314713
$0.07/pcsRFQ
1206Y0500151GAT Image
  • Part#:1206Y0500151GAT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 150PF 50V C0G/NP0 1206
  • In Stock:80764
$0.238/pcsRFQ
1825J1K20153JXT Image
  • Part#:1825J1K20153JXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.015UF 1.2KV X7R 1825
  • In Stock:34337
$0.912/pcsRFQ
0603Y0500330FCT Image
  • Part#:0603Y0500330FCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 33PF 50V C0G/NP0 0603
  • In Stock:122745
$0.167/pcsRFQ
2225Y1K00123KDR Image
  • Part#:2225Y1K00123KDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.012UF 1KV X7R 2225
  • In Stock:34890
$1.037/pcsRFQ
1812J0100563FCR Image
  • Part#:1812J0100563FCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.056UF 10V C0G/NP0 1812
  • In Stock:23235
$1.681/pcsRFQ
1812J0160820KCR Image
  • Part#:1812J0160820KCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 82PF 16V C0G/NP0 1812
  • In Stock:79706
$0.26/pcsRFQ
1210J5000220JAT Image
  • Part#:1210J5000220JAT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 22PF 500V C0G/NP0 1210
  • In Stock:132386
$0.182/pcsRFQ
2225J0250151KFT Image
  • Part#:2225J0250151KFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 150PF 25V C0G/NP0 2225
  • In Stock:23749
$1.302/pcsRFQ
0805Y0100151JXT Image
  • Part#:0805Y0100151JXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 150PF 10V X7R 0805
  • In Stock:335243
$0.068/pcsRFQ
1825J6K00331KXT Image
  • Part#:1825J6K00331KXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 330PF 6KV X7R 1825
  • In Stock:64222
$0.305/pcsRFQ
1808J0250181GFR Image
  • Part#:1808J0250181GFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 180PF 25V C0G/NP0 1808
  • In Stock:76185
$0.26/pcsRFQ
2220Y1K00181JFR Image
  • Part#:2220Y1K00181JFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 180PF 1KV C0G/NP0 2220
  • In Stock:43698
$0.796/pcsRFQ
0603J0160120JCT Image
  • Part#:0603J0160120JCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 12PF 16V C0G/NP0 0603
  • In Stock:287640
$0.072/pcsRFQ
1210Y5000151JFT Image
  • Part#:1210Y5000151JFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 150PF 500V C0G/NP0 1210
  • In Stock:119395
$0.189/pcsRFQ
1210J0100103MXR Image
  • Part#:1210J0100103MXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 10000PF 10V X7R 1210
  • In Stock:179385
$0.134/pcsRFQ
2225Y0630394KDT Image
  • Part#:2225Y0630394KDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.39UF 63V X7R 2225
  • In Stock:22119
$1.358/pcsRFQ
2225J0160125MXT Image
  • Part#:2225J0160125MXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1.2UF 16V X7R 2225
  • In Stock:38247
$0.871/pcsRFQ
0505Y150P600HQT Image
  • Part#:0505Y150P600HQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.6PF 150V C0G/NP0 0505
  • In Stock:65293
$0.299/pcsRFQ
2225J0500180JFT Image
  • Part#:2225J0500180JFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 18PF 50V C0G/NP0 2225
  • In Stock:31274
$1.197/pcsRFQ
0603J0160221MDR Image
  • Part#:0603J0160221MDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 220PF 16V X7R 0603
  • In Stock:371858
$0.064/pcsRFQ
1812YA250101FCTPY2 Image
  • Part#:1812YA250101FCTPY2
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 100PF 250V C0G/NP0 1812
  • In Stock:23471
$1.578/pcsRFQ
1808Y6300102KXT Image
  • Part#:1808Y6300102KXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1000PF 630V X7R 1808
  • In Stock:85754
$0.236/pcsRFQ
2225Y4K00222KXT Image
  • Part#:2225Y4K00222KXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2200PF 4KV X7R 2225
  • In Stock:66838
$0.485/pcsRFQ
0603J2000820GAT Image
  • Part#:0603J2000820GAT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 82PF 200V C0G/NP0 0603
  • In Stock:147876
$0.143/pcsRFQ
1210J0160123FCT Image
  • Part#:1210J0160123FCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.012UF 16V C0G/NP0 1210
  • In Stock:47189
$0.769/pcsRFQ
1812J0100154MXT Image
  • Part#:1812J0100154MXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.15UF 10V X7R 1812
  • In Stock:74145
$0.269/pcsRFQ
1808JA255P60DCRPY2 Image
  • Part#:1808JA255P60DCRPY2
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 5.6PF 250V C0G/NP0 1808
  • In Stock:67019
$0.338/pcsRFQ
1825J0160391KCR Image
  • Part#:1825J0160391KCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 390PF 16V C0G/NP0 1825
  • In Stock:54096
$0.682/pcsRFQ
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