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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

0805Y2500471KXT Image
  • Part#:0805Y2500471KXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 470PF 250V X7R 0805
  • In Stock:346633
$0.069/pcsRFQ
2220Y0630823MXT Image
  • Part#:2220Y0630823MXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.082UF 63V X7R 2220
  • In Stock:51821
$0.673/pcsRFQ
1210J6300391JAT Image
  • Part#:1210J6300391JAT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 390PF 630V C0G/NP0 1210
  • In Stock:112949
$0.21/pcsRFQ
0505J1500390FQT Image
  • Part#:0505J1500390FQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 39PF 150V C0G/NP0 0505
  • In Stock:31218
$0.957/pcsRFQ
1808Y0250121JFR Image
  • Part#:1808Y0250121JFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 120PF 25V C0G/NP0 1808
  • In Stock:133406
$0.171/pcsRFQ
1812Y1K00151JCR Image
  • Part#:1812Y1K00151JCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 150PF 1KV C0G/NP0 1812
  • In Stock:85051
$0.259/pcsRFQ
2225J0250122KFT Image
  • Part#:2225J0250122KFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1200PF 25V C0G/NP0 2225
  • In Stock:32344
$1.196/pcsRFQ
0805Y2000181KDR Image
  • Part#:0805Y2000181KDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 180PF 200V X7R 0805
  • In Stock:234623
$0.091/pcsRFQ
1808J2K00121KCR Image
  • Part#:1808J2K00121KCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 120PF 2KV C0G/NP0 1808
  • In Stock:149009
$0.149/pcsRFQ
1210Y2000563KDR Image
  • Part#:1210Y2000563KDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.056UF 200V X7R 1210
  • In Stock:74179
$0.268/pcsRFQ
1812J2000100FFT Image
  • Part#:1812J2000100FFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 10PF 200V C0G/NP0 1812
  • In Stock:23133
$1.322/pcsRFQ
1206J3000441KQT Image
  • Part#:1206J3000441KQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 440PF 300V C0G/NP0 1206
  • In Stock:63556
$0.313/pcsRFQ
2220Y5000391KFR Image
  • Part#:2220Y5000391KFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 390PF 500V C0G/NP0 2220
  • In Stock:48535
$0.797/pcsRFQ
1812J3K00470JCT Image
  • Part#:1812J3K00470JCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 47PF 3KV C0G/NP0 1812
  • In Stock:85092
$0.433/pcsRFQ
1808Y1K00223MXR Image
  • Part#:1808Y1K00223MXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.022UF 1KV X7R 1808
  • In Stock:119526
$0.201/pcsRFQ
1808Y0500820KFR Image
  • Part#:1808Y0500820KFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 82PF 50V C0G/NP0 1808
  • In Stock:120360
$0.163/pcsRFQ
1825Y6300681KCR Image
  • Part#:1825Y6300681KCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 680PF 630V C0G/NP0 1825
  • In Stock:61893
$0.603/pcsRFQ
0805Y0501P50DFT Image
  • Part#:0805Y0501P50DFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1.5PF 50V C0G/NP0 0805
  • In Stock:289964
$0.082/pcsRFQ
2225Y2500102FFT Image
  • Part#:2225Y2500102FFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1000PF 250V C0G/NP0 2225
  • In Stock:5224
$5.905/pcsRFQ
2220Y5000180GCR Image
  • Part#:2220Y5000180GCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 18PF 500V C0G/NP0 2220
  • In Stock:31405
$1.118/pcsRFQ
1210J1K03P90DAR Image
  • Part#:1210J1K03P90DAR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3.9PF 1KV C0G/NP0 1210
  • In Stock:112708
$0.178/pcsRFQ
1206J1000150GAR Image
  • Part#:1206J1000150GAR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 15PF 100V C0G/NP0 1206
  • In Stock:121664
$0.195/pcsRFQ
1812J0500333KXT Image
  • Part#:1812J0500333KXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.033UF 50V X7R 1812
  • In Stock:86657
$0.265/pcsRFQ
1825J5000682JCR Image
  • Part#:1825J5000682JCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 6800PF 500V C0G/NP0 1825
  • In Stock:52599
$0.592/pcsRFQ
0505Y0631P30HQT Image
  • Part#:0505Y0631P30HQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1.3PF 63V C0G/NP0 0505
  • In Stock:70242
$0.284/pcsRFQ
2225J1K20153MXR Image
  • Part#:2225J1K20153MXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.015UF 1.2KV X7R 2225
  • In Stock:46644
$0.78/pcsRFQ
1825J0160225KXT Image
  • Part#:1825J0160225KXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2.2UF 16V X7R 1825
  • In Stock:46266
$0.795/pcsRFQ
0603Y2005P60BUT Image
  • Part#:0603Y2005P60BUT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 5.6PF 200V C0G/NP0 0603
  • In Stock:83081
$0.233/pcsRFQ
2225J2500472GCT Image
  • Part#:2225J2500472GCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 4700PF 250V C0G/NP0 2225
  • In Stock:18336
$1.756/pcsRFQ
1111Y3004P30BQT Image
  • Part#:1111Y3004P30BQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 4.3PF 300V C0G/NP0 1111
  • In Stock:62239
$0.537/pcsRFQ
0805Y1000121GCT Image
  • Part#:0805Y1000121GCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 120PF 100V C0G/NP0 0805
  • In Stock:181932
$0.113/pcsRFQ
1206Y0630121KFT Image
  • Part#:1206Y0630121KFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 120PF 63V C0G/NP0 1206
  • In Stock:178581
$0.127/pcsRFQ
1206J3000750GQT Image
  • Part#:1206J3000750GQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 75PF 300V C0G/NP0 1206
  • In Stock:90389
$0.357/pcsRFQ
1812Y0630152JFT Image
  • Part#:1812Y0630152JFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1500PF 63V C0G/NP0 1812
  • In Stock:73516
$0.45/pcsRFQ
1206J1000561KXR Image
  • Part#:1206J1000561KXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 560PF 100V X7R 1206
  • In Stock:315009
$0.072/pcsRFQ
1808Y0160181MXR Image
  • Part#:1808Y0160181MXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 180PF 16V X7R 1808
  • In Stock:216249
$0.112/pcsRFQ
1206Y1K00222JXR Image
  • Part#:1206Y1K00222JXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2200PF 1KV X7R 1206
  • In Stock:206509
$0.115/pcsRFQ
1825Y2K00562MXT Image
  • Part#:1825Y2K00562MXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 5600PF 2KV X7R 1825
  • In Stock:45936
$0.663/pcsRFQ
1206J0500100JCR Image
  • Part#:1206J0500100JCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 10PF 50V C0G/NP0 1206
  • In Stock:279534
$0.079/pcsRFQ
2220Y2000560KFT Image
  • Part#:2220Y2000560KFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 56PF 200V C0G/NP0 2220
  • In Stock:30051
$1.277/pcsRFQ
0805J0500152KDT Image
  • Part#:0805J0500152KDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1500PF 50V X7R 0805
  • In Stock:260198
$0.079/pcsRFQ
0505Y0630271FQT Image
  • Part#:0505Y0630271FQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 270PF 63V C0G/NP0 0505
  • In Stock:30563
$1.096/pcsRFQ
1808Y6300561GCR Image
  • Part#:1808Y6300561GCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 560PF 630V C0G/NP0 1808
  • In Stock:79293
$0.261/pcsRFQ
  • Part#:1825Y0100180FCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1825
  • In Stock:13255
$2.575/pcsRFQ
1206Y0160821JDR Image
  • Part#:1206Y0160821JDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 820PF 16V X7R 1206
  • In Stock:142964
$0.132/pcsRFQ
0603Y0250332JXT Image
  • Part#:0603Y0250332JXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3300PF 25V X7R 0603
  • In Stock:430766
$0.055/pcsRFQ
0603J1500180JQT Image
  • Part#:0603J1500180JQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 18PF 150V C0G/NP0 0603
  • In Stock:196040
$0.12/pcsRFQ
0603Y1500560GQT Image
  • Part#:0603Y1500560GQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 56PF 150V C0G/NP0 0603
  • In Stock:73904
$0.287/pcsRFQ
0505Y1000680GQT Image
  • Part#:0505Y1000680GQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 68PF 100V C0G/NP0 0505
  • In Stock:64531
$0.342/pcsRFQ
0603J0160182KXR Image
  • Part#:0603J0160182KXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1800PF 16V X7R 0603
  • In Stock:483529
$0.045/pcsRFQ
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