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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

1206Y0500681KFR Image
  • Part#:1206Y0500681KFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 680PF 50V C0G/NP0 1206
  • In Stock:163350
$0.127/pcsRFQ
2225J2000221KFR Image
  • Part#:2225J2000221KFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 220PF 200V C0G/NP0 2225
  • In Stock:30748
$1.233/pcsRFQ
1825Y5000822JXR Image
  • Part#:1825Y5000822JXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 8200PF 500V X7R 1825
  • In Stock:46868
$0.747/pcsRFQ
1210Y5000471JXR Image
  • Part#:1210Y5000471JXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 470PF 500V X7R 1210
  • In Stock:175449
$0.132/pcsRFQ
2220J6300471JXT Image
  • Part#:2220J6300471JXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 470PF 630V X7R 2220
  • In Stock:69329
$0.559/pcsRFQ
1808JA250271KCTSPU Image
  • Part#:1808JA250271KCTSPU
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 270PF 250V C0G/NP0 1808
  • In Stock:86128
$0.222/pcsRFQ
1210J0100124MXT Image
  • Part#:1210J0100124MXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.12UF 10V X7R 1210
  • In Stock:128363
$0.152/pcsRFQ
1206Y2000122KDT Image
  • Part#:1206Y2000122KDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1200PF 200V X7R 1206
  • In Stock:180091
$0.12/pcsRFQ
0603J0630181GFR Image
  • Part#:0603J0630181GFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 180PF 63V C0G/NP0 0603
  • In Stock:159540
$0.132/pcsRFQ
2225Y0160225KDR Image
  • Part#:2225Y0160225KDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2.2UF 16V X7R 2225
  • In Stock:23924
$1.571/pcsRFQ
1812J1K20151GCT Image
  • Part#:1812J1K20151GCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 150PF 1.2KV C0G/NP0 1812
  • In Stock:78781
$0.403/pcsRFQ
1825Y2000221FCT Image
  • Part#:1825Y2000221FCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 220PF 200V C0G/NP0 1825
  • In Stock:9685
$3.578/pcsRFQ
2220J1K00223JXT Image
  • Part#:2220J1K00223JXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.022UF 1KV X7R 2220
  • In Stock:61722
$0.616/pcsRFQ
1825J5000821JXR Image
  • Part#:1825J5000821JXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 820PF 500V X7R 1825
  • In Stock:45265
$0.659/pcsRFQ
1808J1K00102MXT Image
  • Part#:1808J1K00102MXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1000PF 1KV X7R 1808
  • In Stock:137246
$0.145/pcsRFQ
2220Y0500271FCR Image
  • Part#:2220Y0500271FCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 270PF 50V C0G/NP0 2220
  • In Stock:11213
$2.941/pcsRFQ
1111Y3003P00CQT Image
  • Part#:1111Y3003P00CQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3PF 300V C0G/NP0 1111
  • In Stock:84872
$0.283/pcsRFQ
1808J5000180GCT Image
  • Part#:1808J5000180GCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 18PF 500V C0G/NP0 1808
  • In Stock:80587
$0.253/pcsRFQ
0805Y2500390JQT Image
  • Part#:0805Y2500390JQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 39PF 250V C0G/NP0 0805
  • In Stock:125640
$0.18/pcsRFQ
1812J0500223GCR Image
  • Part#:1812J0500223GCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.022UF 50V C0G/NP0 1812
  • In Stock:54486
$0.724/pcsRFQ
2225J1K00391FCT Image
  • Part#:2225J1K00391FCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 390PF 1KV C0G/NP0 2225
  • In Stock:18444
$2.056/pcsRFQ
1206Y1000120JFT Image
  • Part#:1206Y1000120JFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 12PF 100V C0G/NP0 1206
  • In Stock:193863
$0.123/pcsRFQ
1808J2500272JXT Image
  • Part#:1808J2500272JXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2700PF 250V X7R 1808
  • In Stock:142221
$0.157/pcsRFQ
2220Y2500564JDR Image
  • Part#:2220Y2500564JDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.56UF 250V X7R 2220
  • In Stock:21741
$1.616/pcsRFQ
1808J6300560GCT Image
  • Part#:1808J6300560GCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 56PF 630V C0G/NP0 1808
  • In Stock:78819
$0.249/pcsRFQ
1210J0160223MDR Image
  • Part#:1210J0160223MDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.022UF 16V X7R 1210
  • In Stock:92991
$0.203/pcsRFQ
2220Y0100474GCT Image
  • Part#:2220Y0100474GCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.47UF 10V C0G/NP0 2220
  • In Stock:9259
$3.714/pcsRFQ
1206J5000331MXT Image
  • Part#:1206J5000331MXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 330PF 500V X7R 1206
  • In Stock:330775
$0.066/pcsRFQ
1808Y2500681FCT Image
  • Part#:1808Y2500681FCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 680PF 250V C0G/NP0 1808
  • In Stock:89268
$0.442/pcsRFQ
1808J1K20680GCR Image
  • Part#:1808J1K20680GCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 68PF 1.2KV C0G/NP0 1808
  • In Stock:90557
$0.241/pcsRFQ
2220J0250681FFT Image
  • Part#:2220J0250681FFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 680PF 25V C0G/NP0 2220
  • In Stock:8329
$3.607/pcsRFQ
1812J0500100GCT Image
  • Part#:1812J0500100GCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 10PF 50V C0G/NP0 1812
  • In Stock:84036
$0.471/pcsRFQ
2220J0630392FCR Image
  • Part#:2220J0630392FCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3900PF 63V C0G/NP0 2220
  • In Stock:15855
$2.426/pcsRFQ
0805Y0160331MXR Image
  • Part#:0805Y0160331MXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 330PF 16V X7R 0805
  • In Stock:474723
$0.046/pcsRFQ
1812Y0630394JDT Image
  • Part#:1812Y0630394JDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.39UF 63V X7R 1812
  • In Stock:58188
$0.666/pcsRFQ
1206Y1000152FAT Image
  • Part#:1206Y1000152FAT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1500PF 100V C0G/NP0 1206
  • In Stock:55303
$0.563/pcsRFQ
1825Y2000333KXR Image
  • Part#:1825Y2000333KXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.033UF 200V X7R 1825
  • In Stock:46650
$0.784/pcsRFQ
1812Y3K00180GCT Image
  • Part#:1812Y3K00180GCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 18PF 3KV C0G/NP0 1812
  • In Stock:76023
$0.5/pcsRFQ
1210Y2000330FAR Image
  • Part#:1210Y2000330FAR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 33PF 200V C0G/NP0 1210
  • In Stock:34353
$0.909/pcsRFQ
1808J0160220GCR Image
  • Part#:1808J0160220GCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 22PF 16V C0G/NP0 1808
  • In Stock:118358
$0.18/pcsRFQ
1206J0630821KXR Image
  • Part#:1206J0630821KXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 820PF 63V X7R 1206
  • In Stock:277371
$0.072/pcsRFQ
0805J2006P80DAR Image
  • Part#:0805J2006P80DAR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 6.8PF 200V C0G/NP0 0805
  • In Stock:262917
$0.08/pcsRFQ
1825Y0250153GCR Image
  • Part#:1825Y0250153GCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.015UF 25V C0G/NP0 1825
  • In Stock:18031
$1.674/pcsRFQ
1825J0160153KCR Image
  • Part#:1825J0160153KCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.015UF 16V C0G/NP0 1825
  • In Stock:45111
$0.808/pcsRFQ
1812J0630330GAR Image
  • Part#:1812J0630330GAR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 33PF 63V C0G/NP0 1812
  • In Stock:51638
$0.634/pcsRFQ
2225J0100270JCT Image
  • Part#:2225J0100270JCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 27PF 10V C0G/NP0 2225
  • In Stock:43036
$0.918/pcsRFQ
1210Y1K00121JCT Image
  • Part#:1210Y1K00121JCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 120PF 1KV C0G/NP0 1210
  • In Stock:124180
$0.155/pcsRFQ
1206J0500153GCR Image
  • Part#:1206J0500153GCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.015UF 50V C0G/NP0 1206
  • In Stock:72509
$0.289/pcsRFQ
2220J2K00331KCR Image
  • Part#:2220J2K00331KCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 330PF 2KV C0G/NP0 2220
  • In Stock:72726
$0.504/pcsRFQ
2225J2500180FFT Image
  • Part#:2225J2500180FFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 18PF 250V C0G/NP0 2225
  • In Stock:6748
$4.603/pcsRFQ
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