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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

0805Y2500510FUT Image
  • Part#:0805Y2500510FUT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 51PF 250V C0G/NP0 0805
  • In Stock:42921
$0.706/pcsRFQ
1210Y2000390GAT Image
  • Part#:1210Y2000390GAT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 39PF 200V C0G/NP0 1210
  • In Stock:65908
$0.483/pcsRFQ
1206J1K50180KCT Image
  • Part#:1206J1K50180KCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 18PF 1.5KV C0G/NP0 1206
  • In Stock:240424
$0.09/pcsRFQ
1210J6300103JXT Image
  • Part#:1210J6300103JXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 10000PF 630V X7R 1210
  • In Stock:119618
$0.165/pcsRFQ
1825Y0100563KCR Image
  • Part#:1825Y0100563KCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.056UF 10V C0G/NP0 1825
  • In Stock:26937
$1.126/pcsRFQ
1206J2K03P90CCR Image
  • Part#:1206J2K03P90CCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3.9PF 2KV C0G/NP0 1206
  • In Stock:159831
$0.147/pcsRFQ
1825Y1K00682KCT Image
  • Part#:1825Y1K00682KCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 6800PF 1KV C0G/NP0 1825
  • In Stock:34836
$0.926/pcsRFQ
1808Y0160330JCT Image
  • Part#:1808Y0160330JCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 33PF 16V C0G/NP0 1808
  • In Stock:182853
$0.132/pcsRFQ
2225Y4K00220GCT Image
  • Part#:2225Y4K00220GCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 22PF 4KV C0G/NP0 2225
  • In Stock:53816
$0.718/pcsRFQ
1808Y2500103KDR Image
  • Part#:1808Y2500103KDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 10000PF 250V X7R 1808
  • In Stock:123717
$0.174/pcsRFQ
0805Y0630391FAT Image
  • Part#:0805Y0630391FAT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 390PF 63V C0G/NP0 0805
  • In Stock:70211
$0.288/pcsRFQ
1812Y0630681JFR Image
  • Part#:1812Y0630681JFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 680PF 63V C0G/NP0 1812
  • In Stock:79379
$0.418/pcsRFQ
2220Y0100394MXT Image
  • Part#:2220Y0100394MXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.39UF 10V X7R 2220
  • In Stock:51795
$0.746/pcsRFQ
1808Y2500682JXT Image
  • Part#:1808Y2500682JXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 6800PF 250V X7R 1808
  • In Stock:145292
$0.163/pcsRFQ
1812Y0500221KCT Image
  • Part#:1812Y0500221KCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 220PF 50V C0G/NP0 1812
  • In Stock:61738
$0.311/pcsRFQ
0805Y0250153KDR Image
  • Part#:0805Y0250153KDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.015UF 25V X7R 0805
  • In Stock:218619
$0.095/pcsRFQ
1206J1K50390JCT Image
  • Part#:1206J1K50390JCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 39PF 1.5KV C0G/NP0 1206
  • In Stock:273762
$0.087/pcsRFQ
0805J500P800CQT Image
  • Part#:0805J500P800CQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.8PF 500V C0G/NP0 0805
  • In Stock:129521
$0.166/pcsRFQ
  • Part#:0805J1K00221MXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 220PF 1000V X7R 0805
  • In Stock:562604
$0.043/pcsRFQ
1812Y3K00220KCT Image
  • Part#:1812Y3K00220KCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 22PF 3KV C0G/NP0 1812
  • In Stock:66230
$0.298/pcsRFQ
0805J1K01P80BCT Image
  • Part#:0805J1K01P80BCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1.8PF 1KV C0G/NP0 0805
  • In Stock:88712
$0.221/pcsRFQ
1808Y0500562KXT Image
  • Part#:1808Y0500562KXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 5600PF 50V X7R 1808
  • In Stock:142795
$0.149/pcsRFQ
1210Y1K00331KDT Image
  • Part#:1210Y1K00331KDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 330PF 1KV X7R 1210
  • In Stock:128533
$0.185/pcsRFQ
1812J0500470JFT Image
  • Part#:1812J0500470JFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 47PF 50V C0G/NP0 1812
  • In Stock:95127
$0.374/pcsRFQ
1111J200P500DQT Image
  • Part#:1111J200P500DQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.5PF 200V C0G/NP0 1111
  • In Stock:72964
$0.268/pcsRFQ
1812J0160125KXT Image
  • Part#:1812J0160125KXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1.2UF 16V X7R 1812
  • In Stock:86887
$0.417/pcsRFQ
1808J0250474MXR Image
  • Part#:1808J0250474MXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.47UF 25V X7R 1808
  • In Stock:130888
$0.172/pcsRFQ
2220Y4K00272JXR Image
  • Part#:2220Y4K00272JXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2700PF 4KV X7R 2220
  • In Stock:82281
$0.474/pcsRFQ
1210Y2000680JFR Image
  • Part#:1210Y2000680JFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 68PF 200V C0G/NP0 1210
  • In Stock:73486
$0.255/pcsRFQ
2220Y1000101JFT Image
  • Part#:2220Y1000101JFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 100PF 100V C0G/NP0 2220
  • In Stock:29024
$1.194/pcsRFQ
1825Y0500221FCR Image
  • Part#:1825Y0500221FCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 220PF 50V C0G/NP0 1825
  • In Stock:10557
$3.189/pcsRFQ
1206Y0100333JXT Image
  • Part#:1206Y0100333JXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.033UF 10V X7R 1206
  • In Stock:172880
$0.111/pcsRFQ
2225J0500471GCR Image
  • Part#:2225J0500471GCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 470PF 50V C0G/NP0 2225
  • In Stock:22386
$1.404/pcsRFQ
2220Y0250392JCR Image
  • Part#:2220Y0250392JCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3900PF 25V C0G/NP0 2220
  • In Stock:41004
$0.765/pcsRFQ
0805Y0630560GCT Image
  • Part#:0805Y0630560GCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 56PF 63V C0G/NP0 0805
  • In Stock:237943
$0.099/pcsRFQ
2225Y0250180FCT Image
  • Part#:2225Y0250180FCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 18PF 25V C0G/NP0 2225
  • In Stock:10486
$3.666/pcsRFQ
2225Y2000390JFR Image
  • Part#:2225Y2000390JFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 39PF 200V C0G/NP0 2225
  • In Stock:21242
$1.409/pcsRFQ
0505Y3007P50BQT Image
  • Part#:0505Y3007P50BQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 7.5PF 300V C0G/NP0 0505
  • In Stock:79598
$0.452/pcsRFQ
1812YA250680KCTPY2 Image
  • Part#:1812YA250680KCTPY2
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 68PF 250V C0G/NP0 1812
  • In Stock:90390
$0.387/pcsRFQ
0603Y0250331FCT Image
  • Part#:0603Y0250331FCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 330PF 25V C0G/NP0 0603
  • In Stock:90015
$0.233/pcsRFQ
1808Y2K00150FCT Image
  • Part#:1808Y2K00150FCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 15PF 2KV C0G/NP0 1808
  • In Stock:76833
$0.491/pcsRFQ
0603Y2001P20DQT Image
  • Part#:0603Y2001P20DQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1.2PF 200V C0G/NP0 0603
  • In Stock:233661
$0.089/pcsRFQ
2220J1000473GCT Image
  • Part#:2220J1000473GCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.047UF 100V C0G 2220
  • In Stock:18864
$1.847/pcsRFQ
0603J0633P30BFT Image
  • Part#:0603J0633P30BFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3.3PF 63V C0G/NP0 0603
  • In Stock:97111
$0.219/pcsRFQ
0805Y1K00392KXR Image
  • Part#:0805Y1K00392KXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3900PF 1KV X7R 0805
  • In Stock:295870
$0.078/pcsRFQ
2220JA250103KXRB17 Image
  • Part#:2220JA250103KXRB17
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 10000PF 250V X7R 2220
  • In Stock:74229
$0.487/pcsRFQ
2225J2000151KFT Image
  • Part#:2225J2000151KFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 150PF 200V C0G/NP0 2225
  • In Stock:25111
$1.225/pcsRFQ
1808Y5000271KCR Image
  • Part#:1808Y5000271KCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 270PF 500V C0G/NP0 1808
  • In Stock:108909
$0.178/pcsRFQ
1812J6K00180KCR Image
  • Part#:1812J6K00180KCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 18PF 6KV C0G/NP0 1812
  • In Stock:82427
$0.238/pcsRFQ
0603J0630430GQT Image
  • Part#:0603J0630430GQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 43PF 63V C0G/NP0 0603
  • In Stock:75871
$0.274/pcsRFQ
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