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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

1825Y1K20391KCT Image
  • Part#:1825Y1K20391KCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 390PF 1.2KV C0G/NP0 1825
  • In Stock:48950
$0.686/pcsRFQ
1206Y5000391JFR Image
  • Part#:1206Y5000391JFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 390PF 500V C0G/NP0 1206
  • In Stock:152183
$0.137/pcsRFQ
2225Y2500334JDR Image
  • Part#:2225Y2500334JDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.33UF 250V X7R 2225
  • In Stock:15593
$1.917/pcsRFQ
0805Y2000150FAR Image
  • Part#:0805Y2000150FAR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 15PF 200V C0G/NP0 0805
  • In Stock:66187
$0.295/pcsRFQ
0805J0500101KXR Image
  • Part#:0805J0500101KXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 100PF 50V X7R 0805
  • In Stock:485349
$0.047/pcsRFQ
1206Y1K00332KDT Image
  • Part#:1206Y1K00332KDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3300PF 1KV X7R 1206
  • In Stock:148557
$0.152/pcsRFQ
1808Y0250561KDR Image
  • Part#:1808Y0250561KDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 560PF 25V X7R 1808
  • In Stock:127107
$0.169/pcsRFQ
1808J6300563JXR Image
  • Part#:1808J6300563JXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.056UF 630V X7R 1808
  • In Stock:78012
$0.272/pcsRFQ
2225Y1000120FCR Image
  • Part#:2225Y1000120FCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 12PF 100V C0G/NP0 2225
  • In Stock:10174
$2.993/pcsRFQ
1206Y2006P20HQT Image
  • Part#:1206Y2006P20HQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 6.2PF 200V C0G/NP0 1206
  • In Stock:38115
$0.937/pcsRFQ
1210J2000560JCT Image
  • Part#:1210J2000560JCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 56PF 200V C0G/NP0 1210
  • In Stock:109477
$0.177/pcsRFQ
0603J0630240KQT Image
  • Part#:0603J0630240KQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 24PF 63V C0G/NP0 0603
  • In Stock:207537
$0.104/pcsRFQ
2220Y0100272FCT Image
  • Part#:2220Y0100272FCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2700PF 10V C0G/NP0 2220
  • In Stock:12599
$2.723/pcsRFQ
0603Y2500390FCT Image
  • Part#:0603Y2500390FCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 39PF 250V C0G/NP0 0603
  • In Stock:102686
$0.186/pcsRFQ
1206Y0630562JDR Image
  • Part#:1206Y0630562JDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 5600PF 63V X7R 1206
  • In Stock:148505
$0.135/pcsRFQ
0505J063P700DQT Image
  • Part#:0505J063P700DQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.7PF 63V C0G/NP0 0505
  • In Stock:128166
$0.177/pcsRFQ
2220YA250391MXTB16 Image
  • Part#:2220YA250391MXTB16
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 390PF 250V X7R 2220
  • In Stock:97732
$0.385/pcsRFQ
1808Y1K24P70CCR Image
  • Part#:1808Y1K24P70CCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 4.7PF 1.2KV C0G/NP0 1808
  • In Stock:93782
$0.204/pcsRFQ
1210J0250560GFT Image
  • Part#:1210J0250560GFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 56PF 25V C0G/NP0 1210
  • In Stock:86053
$0.447/pcsRFQ
1206Y0500100GQT Image
  • Part#:1206Y0500100GQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 10PF 50V C0G/NP0 1206
  • In Stock:78561
$0.288/pcsRFQ
0603J2002P70DAT Image
  • Part#:0603J2002P70DAT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2.7PF 200V C0G/NP0 0603
  • In Stock:320276
$0.073/pcsRFQ
1206Y1K20121MXT Image
  • Part#:1206Y1K20121MXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 120PF 1.2KV X7R 1206
  • In Stock:241103
$0.09/pcsRFQ
1825J0500563FCR Image
  • Part#:1825J0500563FCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.056UF 50V C0G/NP0 1825
  • In Stock:9810
$3.829/pcsRFQ
2220Y6K00180KCT Image
  • Part#:2220Y6K00180KCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 18PF 6KV C0G/NP0 2220
  • In Stock:54053
$0.348/pcsRFQ
0805J6300820FCR Image
  • Part#:0805J6300820FCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 82PF 630V C0G/NP0 0805
  • In Stock:110301
$0.177/pcsRFQ
1210J1000152JDR Image
  • Part#:1210J1000152JDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1500PF 100V X7R 1210
  • In Stock:88240
$0.26/pcsRFQ
1206J2000332JXT Image
  • Part#:1206J2000332JXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3300PF 200V X7R 1206
  • In Stock:227787
$0.098/pcsRFQ
  • Part#:1210Y1000332JXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1210
  • In Stock:128796
$0.153/pcsRFQ
1808Y1K20271KXR Image
  • Part#:1808Y1K20271KXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 270PF 1.2KV X7R 1808
  • In Stock:149364
$0.16/pcsRFQ
  • Part#:1808J0500181MXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1808
  • In Stock:266633
$0.088/pcsRFQ
1210Y5000272JFR Image
  • Part#:1210Y5000272JFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2700PF 500V C0G/NP0 1210
  • In Stock:78845
$0.289/pcsRFQ
1111J1K00820JQT Image
  • Part#:1111J1K00820JQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 82PF 1KV C0G/NP0 1111
  • In Stock:68365
$0.339/pcsRFQ
2225Y0500273KDT Image
  • Part#:2225Y0500273KDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.027UF 50V X7R 2225
  • In Stock:31461
$1.104/pcsRFQ
1210J0160392JFR Image
  • Part#:1210J0160392JFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3900PF 16V C0G/NP0 1210
  • In Stock:72933
$0.263/pcsRFQ
1210J1K20471GCR Image
  • Part#:1210J1K20471GCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 470PF 1.2KV C0G/NP0 1210
  • In Stock:61045
$0.343/pcsRFQ
0603J3000220GQT Image
  • Part#:0603J3000220GQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 22PF 300V C0G/NP0 0603
  • In Stock:79393
$0.255/pcsRFQ
1825J2000332KCR Image
  • Part#:1825J2000332KCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3300PF 200V C0G/NP0 1825
  • In Stock:47562
$0.752/pcsRFQ
2225J1K50182MXT Image
  • Part#:2225J1K50182MXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1800PF 1.5KV X7R 2225
  • In Stock:43908
$0.756/pcsRFQ
1210Y6300560KAT Image
  • Part#:1210Y6300560KAT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 56PF 630V C0G/NP0 1210
  • In Stock:121575
$0.178/pcsRFQ
1825Y0250470GCT Image
  • Part#:1825Y0250470GCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 47PF 25V C0G/NP0 1825
  • In Stock:23316
$1.62/pcsRFQ
0805Y6300270FCT Image
  • Part#:0805Y6300270FCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 27PF 630V C0G/NP0 0805
  • In Stock:102721
$0.2/pcsRFQ
0603Y1008P20CCR Image
  • Part#:0603Y1008P20CCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 8.2PF 100V C0G/NP0 0603
  • In Stock:281291
$0.071/pcsRFQ
1808J0630102FCR Image
  • Part#:1808J0630102FCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1000PF 63V C0G/NP0 1808
  • In Stock:103009
$0.381/pcsRFQ
1808J0255P60BFR Image
  • Part#:1808J0255P60BFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 5.6PF 25V C0G/NP0 1808
  • In Stock:57223
$0.606/pcsRFQ
1210Y0100221GCR Image
  • Part#:1210Y0100221GCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 220PF 10V C0G/NP0 1210
  • In Stock:68109
$0.297/pcsRFQ
1206Y1000124KET Image
  • Part#:1206Y1000124KET
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.12UF 100V X7R 1206
  • In Stock:131234
$0.171/pcsRFQ
0603Y1000221JCT Image
  • Part#:0603Y1000221JCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 220PF 100V C0G/NP0 0603
  • In Stock:416719
$0.057/pcsRFQ
0805J0631P50CCT Image
  • Part#:0805J0631P50CCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1.5PF 63V C0G/NP0 0805
  • In Stock:211485
$0.09/pcsRFQ
1808J0500391MDR Image
  • Part#:1808J0500391MDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 390PF 50V X7R 1808
  • In Stock:103530
$0.186/pcsRFQ
2225Y1K20181JCT Image
  • Part#:2225Y1K20181JCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 180PF 1.2KV C0G/NP0 2225
  • In Stock:43221
$0.855/pcsRFQ
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