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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

1206J0500682MDR Image
  • Part#:1206J0500682MDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 6800PF 50V X7R 1206
  • In Stock:207276
$0.103/pcsRFQ
1206Y3000681GQT Image
  • Part#:1206Y3000681GQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 680PF 300V C0G/NP0 1206
  • In Stock:66998
$0.352/pcsRFQ
2225J2000273GCR Image
  • Part#:2225J2000273GCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.027UF 200V C0G 2225
  • In Stock:12375
$2.47/pcsRFQ
2225Y0250270JFR Image
  • Part#:2225Y0250270JFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 27PF 25V C0G/NP0 2225
  • In Stock:22799
$1.56/pcsRFQ
1210J1000223JXT Image
  • Part#:1210J1000223JXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.022UF 100V X7R 1210
  • In Stock:106862
$0.184/pcsRFQ
1825J0500100JCT Image
  • Part#:1825J0500100JCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 10PF 50V C0G/NP0 1825
  • In Stock:48407
$0.801/pcsRFQ
0603J5000221KXT Image
  • Part#:0603J5000221KXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 220PF 500V X7R 0603
  • In Stock:422931
$0.049/pcsRFQ
1808J1000563MDR Image
  • Part#:1808J1000563MDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.056UF 100V X7R 1808
  • In Stock:110832
$0.206/pcsRFQ
0805J1000150MCRE03 Image
  • Part#:0805J1000150MCRE03
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 15PF 100V C0G/NP0 0805
  • In Stock:94020
$0.205/pcsRFQ
1825J4K00471FCT Image
  • Part#:1825J4K00471FCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 470PF 4KV C0G/NP0 1825
  • In Stock:18218
$1.883/pcsRFQ
1206J2K03P30BCT Image
  • Part#:1206J2K03P30BCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3.3PF 2KV C0G/NP0 1206
  • In Stock:63372
$0.306/pcsRFQ
1206Y0630121KDT Image
  • Part#:1206Y0630121KDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 120PF 63V X7R 1206
  • In Stock:192463
$0.111/pcsRFQ
2225J0630150KCR Image
  • Part#:2225J0630150KCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 15PF 63V C0G/NP0 2225
  • In Stock:47040
$0.75/pcsRFQ
  • Part#:0805Y1001P00CAR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0805
  • In Stock:184575
$0.103/pcsRFQ
0603Y2500821MDR Image
  • Part#:0603Y2500821MDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 820PF 250V X7R 0603
  • In Stock:346696
$0.059/pcsRFQ
1812J1K50562MXT Image
  • Part#:1812J1K50562MXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 5600PF 1.5KV X7R 1812
  • In Stock:73749
$0.265/pcsRFQ
1206Y0500221KAR Image
  • Part#:1206Y0500221KAR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 220PF 50V C0G/NP0 1206
  • In Stock:193483
$0.118/pcsRFQ
2220Y6K00120JCR Image
  • Part#:2220Y6K00120JCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 12PF 6KV C0G/NP0 2220
  • In Stock:66588
$0.328/pcsRFQ
2225J0630472FCT Image
  • Part#:2225J0630472FCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 4700PF 63V C0G/NP0 2225
  • In Stock:12544
$3.093/pcsRFQ
1825Y1K50333KXR Image
  • Part#:1825Y1K50333KXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.033UF 1.5KV X7R 1825
  • In Stock:41275
$0.807/pcsRFQ
0805J3000820FQT Image
  • Part#:0805J3000820FQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 82PF 300V C0G/NP0 0805
  • In Stock:58992
$0.666/pcsRFQ
1825J0630390FCR Image
  • Part#:1825J0630390FCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 39PF 63V C0G/NP0 1825
  • In Stock:13461
$2.754/pcsRFQ
2225J4K00122JXT Image
  • Part#:2225J4K00122JXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1200PF 4KV X7R 2225
  • In Stock:74828
$0.469/pcsRFQ
1210Y1000330FCR Image
  • Part#:1210Y1000330FCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 33PF 100V C0G/NP0 1210
  • In Stock:60706
$0.592/pcsRFQ
1808Y0250221KFT Image
  • Part#:1808Y0250221KFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 220PF 25V C0G/NP0 1808
  • In Stock:107389
$0.187/pcsRFQ
1210Y2000220GCR Image
  • Part#:1210Y2000220GCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 22PF 200V C0G/NP0 1210
  • In Stock:68115
$0.307/pcsRFQ
0603Y0250331GFR Image
  • Part#:0603Y0250331GFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 330PF 25V C0G/NP0 0603
  • In Stock:124898
$0.165/pcsRFQ
0603Y0100271JCR Image
  • Part#:0603Y0100271JCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 270PF 10V C0G/NP0 0603
  • In Stock:346895
$0.067/pcsRFQ
2220J0160150FFR Image
  • Part#:2220J0160150FFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 15PF 16V C0G/NP0 2220
  • In Stock:7873
$3.843/pcsRFQ
1808J2000470JCR Image
  • Part#:1808J2000470JCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 47PF 200V C0G/NP0 1808
  • In Stock:165515
$0.116/pcsRFQ
0805Y0500821FFT Image
  • Part#:0805Y0500821FFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 820PF 50V C0G/NP0 0805
  • In Stock:73062
$0.32/pcsRFQ
1808J6300330KCR Image
  • Part#:1808J6300330KCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 33PF 630V C0G/NP0 1808
  • In Stock:169523
$0.125/pcsRFQ
0805Y0500682JER Image
  • Part#:0805Y0500682JER
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 6800PF 50V X7R 0805
  • In Stock:205532
$0.099/pcsRFQ
1206J6300181JCR Image
  • Part#:1206J6300181JCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 180PF 630V C0G/NP0 1206
  • In Stock:284100
$0.082/pcsRFQ
1111Y2K01P10HQT Image
  • Part#:1111Y2K01P10HQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1.1PF 2000V C0G/NP0 1111
  • In Stock:56607
$0.542/pcsRFQ
1206Y0500273JDT Image
  • Part#:1206Y0500273JDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.027UF 50V X7R 1206
  • In Stock:135479
$0.146/pcsRFQ
1206J1K00151KFT Image
  • Part#:1206J1K00151KFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 150PF 1KV C0G/NP0 1206
  • In Stock:140746
$0.146/pcsRFQ
1206Y1000152JQT Image
  • Part#:1206Y1000152JQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1500PF 100V C0G/NP0 1206
  • In Stock:71107
$0.34/pcsRFQ
1206Y5000560JCT Image
  • Part#:1206Y5000560JCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 56PF 500V C0G/NP0 1206
  • In Stock:262551
$0.089/pcsRFQ
1206Y2500181FFR Image
  • Part#:1206Y2500181FFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 180PF 250V C0G/NP0 1206
  • In Stock:63760
$0.492/pcsRFQ
1206Y2500563JDR Image
  • Part#:1206Y2500563JDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.056UF 250V X7R 1206
  • In Stock:103559
$0.22/pcsRFQ
1812Y3K00271KCR Image
  • Part#:1812Y3K00271KCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 270PF 3KV C0G/NP0 1812
  • In Stock:79872
$0.297/pcsRFQ
2220Y1000102FCT Image
  • Part#:2220Y1000102FCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1000PF 100V C0G/NP0 2220
  • In Stock:12943
$2.682/pcsRFQ
0603J0250182MDT Image
  • Part#:0603J0250182MDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1800PF 25V X7R 0603
  • In Stock:349720
$0.06/pcsRFQ
0805Y2000681FAR Image
  • Part#:0805Y2000681FAR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 680PF 200V C0G/NP0 0805
  • In Stock:86287
$0.395/pcsRFQ
  • Part#:0805J0250182KCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1800PF 25V C0G/NP0 0805
  • In Stock:377807
$0.055/pcsRFQ
2225Y0160333JDT Image
  • Part#:2225Y0160333JDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.033UF 16V X7R 2225
  • In Stock:28001
$1.37/pcsRFQ
1210Y1K00391FCR Image
  • Part#:1210Y1K00391FCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 390PF 1KV C0G/NP0 1210
  • In Stock:69650
$0.511/pcsRFQ
1210Y1K00271GAR Image
  • Part#:1210Y1K00271GAR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 270PF 1KV C0G/NP0 1210
  • In Stock:76857
$0.396/pcsRFQ
2220Y1000561GFT Image
  • Part#:2220Y1000561GFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 560PF 100V C0G/NP0 2220
  • In Stock:18882
$2.075/pcsRFQ
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