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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

1812J2500470JFR Image
  • Part#:1812J2500470JFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 47PF 250V C0G/NP0 1812
  • In Stock:57397
$0.348/pcsRFQ
0805J0500471KCT Image
  • Part#:0805J0500471KCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 470PF 50V C0G/NP0 0805
  • In Stock:400556
$0.058/pcsRFQ
2225Y2000560KFR Image
  • Part#:2225Y2000560KFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 56PF 200V C0G/NP0 2225
  • In Stock:22605
$1.32/pcsRFQ
0805Y1K00561KXR Image
  • Part#:0805Y1K00561KXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 560PF 1KV X7R 0805
  • In Stock:401556
$0.057/pcsRFQ
1812J5000272JDR Image
  • Part#:1812J5000272JDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2700PF 500V X7R 1812
  • In Stock:64323
$0.353/pcsRFQ
1812Y2000274KXT Image
  • Part#:1812Y2000274KXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.27UF 200V X7R 1812
  • In Stock:80821
$0.471/pcsRFQ
2220J2500220JCT Image
  • Part#:2220J2500220JCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 22PF 250V C0G/NP0 2220
  • In Stock:45540
$0.776/pcsRFQ
1206J0160824MXR Image
  • Part#:1206J0160824MXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.82UF 16V X7R 1206
  • In Stock:128680
$0.152/pcsRFQ
0805J0500392KCT Image
  • Part#:0805J0500392KCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3900PF 50V C0G/NP0 0805
  • In Stock:215864
$0.091/pcsRFQ
1825Y0100102JCT Image
  • Part#:1825Y0100102JCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1000PF 10V C0G/NP0 1825
  • In Stock:41990
$0.874/pcsRFQ
1210Y2K00150GCR Image
  • Part#:1210Y2K00150GCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 15PF 2KV C0G/NP0 1210
  • In Stock:103221
$0.23/pcsRFQ
  • Part#:1206Y2000473MXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1206
  • In Stock:207482
$0.096/pcsRFQ
0805J1001P20BCT Image
  • Part#:0805J1001P20BCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1.2PF 100V C0G/NP0 0805
  • In Stock:123669
$0.176/pcsRFQ
1812J1000101GAR Image
  • Part#:1812J1000101GAR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 100PF 100V C0G/NP0 1812
  • In Stock:47406
$0.693/pcsRFQ
2220Y1000105MXT Image
  • Part#:2220Y1000105MXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1UF 100V X7R 2220
  • In Stock:33330
$0.946/pcsRFQ
1812Y0500183JXR Image
  • Part#:1812Y0500183JXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.018UF 50V X7R 1812
  • In Stock:67211
$0.329/pcsRFQ
1206Y2500471JDR Image
  • Part#:1206Y2500471JDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 470PF 250V X7R 1206
  • In Stock:165504
$0.142/pcsRFQ
2225Y6300100GCR Image
  • Part#:2225Y6300100GCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 10PF 630V C0G/NP0 2225
  • In Stock:24916
$1.477/pcsRFQ
1210J2504P70CFR Image
  • Part#:1210J2504P70CFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 4.7PF 250V C0G/NP0 1210
  • In Stock:59304
$0.351/pcsRFQ
1808J0160472JXR Image
  • Part#:1808J0160472JXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 4700PF 16V X7R 1808
  • In Stock:158193
$0.124/pcsRFQ
0805Y0630561GCT Image
  • Part#:0805Y0630561GCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 560PF 63V C0G/NP0 0805
  • In Stock:187984
$0.111/pcsRFQ
1210Y0160682JFR Image
  • Part#:1210Y0160682JFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 6800PF 16V C0G/NP0 1210
  • In Stock:66656
$0.302/pcsRFQ
2225Y1K20562MXT Image
  • Part#:2225Y1K20562MXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 5600PF 1.2KV X7R 2225
  • In Stock:46344
$0.839/pcsRFQ
0603Y0160821GCR Image
  • Part#:0603Y0160821GCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 820PF 16V C0G/NP0 0603
  • In Stock:217924
$0.11/pcsRFQ
2225J5000184MXT Image
  • Part#:2225J5000184MXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.18UF 500V X7R 2225
  • In Stock:54607
$0.614/pcsRFQ
2225J0250150JFR Image
  • Part#:2225J0250150JFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 15PF 25V C0G/NP0 2225
  • In Stock:21853
$1.404/pcsRFQ
1825J2K00681MXT Image
  • Part#:1825J2K00681MXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 680PF 2KV X7R 1825
  • In Stock:65314
$0.483/pcsRFQ
1808J5000122GCT Image
  • Part#:1808J5000122GCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1200PF 500V C0G/NP0 1808
  • In Stock:73247
$0.283/pcsRFQ
2220Y0500154FCR Image
  • Part#:2220Y0500154FCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.15UF 50V C0G/NP0 2220
  • In Stock:5948
$5.528/pcsRFQ
1812J1000121JCR Image
  • Part#:1812J1000121JCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 120PF 100V C0G/NP0 1812
  • In Stock:97676
$0.243/pcsRFQ
1808J1000681KXR Image
  • Part#:1808J1000681KXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 680PF 100V X7R 1808
  • In Stock:171778
$0.115/pcsRFQ
1210Y0160123MXT Image
  • Part#:1210Y0160123MXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.012UF 16V X7R 1210
  • In Stock:135940
$0.145/pcsRFQ
2225J0630681KFR Image
  • Part#:2225J0630681KFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 680PF 63V C0G/NP0 2225
  • In Stock:26199
$1.208/pcsRFQ
0603Y2500122MDT Image
  • Part#:0603Y2500122MDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1200PF 250V X7R 0603
  • In Stock:288436
$0.065/pcsRFQ
2225J0250330GCR Image
  • Part#:2225J0250330GCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 33PF 25V C0G/NP0 2225
  • In Stock:18220
$1.638/pcsRFQ
1808Y1000103JDT Image
  • Part#:1808Y1000103JDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 10000PF 100V X7R 1808
  • In Stock:78277
$0.242/pcsRFQ
0603Y1000620GQT Image
  • Part#:0603Y1000620GQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 62PF 100V C0G/NP0 0603
  • In Stock:69352
$0.288/pcsRFQ
1812Y2K50331KXT Image
  • Part#:1812Y2K50331KXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 330PF 2.5KV X7R 1812
  • In Stock:64263
$0.297/pcsRFQ
2225Y1K00120JCT Image
  • Part#:2225Y1K00120JCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 12PF 1KV C0G/NP0 2225
  • In Stock:47405
$0.801/pcsRFQ
1206J0500270FFR Image
  • Part#:1206J0500270FFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 27PF 50V C0G/NP0 1206
  • In Stock:81984
$0.385/pcsRFQ
1812Y1000153JFT Image
  • Part#:1812Y1000153JFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.015UF 100V C0G 1812
  • In Stock:53464
$0.647/pcsRFQ
0805J3001P00CQT Image
  • Part#:0805J3001P00CQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1PF 300V C0G/NP0 0805
  • In Stock:125926
$0.155/pcsRFQ
1210Y2000562MER Image
  • Part#:1210Y2000562MER
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 5600PF 200V X7R 1210
  • In Stock:103148
$0.216/pcsRFQ
0805J2000220GUT Image
  • Part#:0805J2000220GUT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 22PF 200V C0G/NP0 0805
  • In Stock:65607
$0.348/pcsRFQ
1210Y0160183GFT Image
  • Part#:1210Y0160183GFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.018UF 16V C0G/NP0 1210
  • In Stock:51176
$0.692/pcsRFQ
0603J2004P70BAR Image
  • Part#:0603J2004P70BAR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 4.7PF 200V C0G/NP0 0603
  • In Stock:96613
$0.212/pcsRFQ
  • Part#:1210J0500822JCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1210
  • In Stock:145180
$0.166/pcsRFQ
2220Y4K00821KXR Image
  • Part#:2220Y4K00821KXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 820PF 4KV X7R 2220
  • In Stock:71816
$0.306/pcsRFQ
0805J2502P70CFR Image
  • Part#:0805J2502P70CFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2.7PF 250V C0G/NP0 0805
  • In Stock:173074
$0.126/pcsRFQ
2225Y2000180GFR Image
  • Part#:2225Y2000180GFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 18PF 200V C0G/NP0 2225
  • In Stock:12305
$2.566/pcsRFQ
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