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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

1210Y2K00121FCT Image
  • Part#:1210Y2K00121FCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 120PF 2KV C0G/NP0 1210
  • In Stock:59501
$0.592/pcsRFQ
0805Y0258P20CCT Image
  • Part#:0805Y0258P20CCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 8.2PF 25V C0G/NP0 0805
  • In Stock:212563
$0.092/pcsRFQ
2220J1K00152JXT Image
  • Part#:2220J1K00152JXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1500PF 1KV X7R 2220
  • In Stock:58196
$0.558/pcsRFQ
0603Y0500562MXT Image
  • Part#:0603Y0500562MXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 5600PF 50V X7R 0603
  • In Stock:502740
$0.043/pcsRFQ
1812Y5000120KAT Image
  • Part#:1812Y5000120KAT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 12PF 500V C0G/NP0 1812
  • In Stock:76022
$0.402/pcsRFQ
1206Y0630390FFT Image
  • Part#:1206Y0630390FFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 39PF 63V C0G/NP0 1206
  • In Stock:93596
$0.418/pcsRFQ
1210Y0250224MDT Image
  • Part#:1210Y0250224MDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.22UF 25V X7R 1210
  • In Stock:86887
$0.264/pcsRFQ
1808J2500331JFT Image
  • Part#:1808J2500331JFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 330PF 250V C0G/NP0 1808
  • In Stock:100146
$0.202/pcsRFQ
2225Y0630332KCT Image
  • Part#:2225Y0630332KCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3300PF 63V C0G/NP0 2225
  • In Stock:34860
$0.948/pcsRFQ
1206Y1K00331GFT Image
  • Part#:1206Y1K00331GFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 330PF 1KV C0G/NP0 1206
  • In Stock:76734
$0.29/pcsRFQ
0805Y2000151JDR Image
  • Part#:0805Y2000151JDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 150PF 200V X7R 0805
  • In Stock:173331
$0.112/pcsRFQ
1812JA250181KCTPY2 Image
  • Part#:1812JA250181KCTPY2
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 180PF 250V C0G/NP0 1812
  • In Stock:75388
$0.451/pcsRFQ
2220J1K50100KCT Image
  • Part#:2220J1K50100KCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 10PF 1.5KV C0G/NP0 2220
  • In Stock:83143
$0.475/pcsRFQ
1206J0160391GFR Image
  • Part#:1206J0160391GFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 390PF 16V C0G/NP0 1206
  • In Stock:110728
$0.211/pcsRFQ
0603J0100821JXR Image
  • Part#:0603J0100821JXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 820PF 10V X7R 0603
  • In Stock:430347
$0.053/pcsRFQ
0805J5000110GQT Image
  • Part#:0805J5000110GQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 11PF 500V C0G/NP0 0805
  • In Stock:76007
$0.292/pcsRFQ
2220J1K20183KXT Image
  • Part#:2220J1K20183KXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.018UF 1.2KV X7R 2220
  • In Stock:47548
$0.657/pcsRFQ
2225J0500185KDR Image
  • Part#:2225J0500185KDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1.8UF 50V X7R 2225
  • In Stock:27940
$1.374/pcsRFQ
2225Y1K50220FCR Image
  • Part#:2225Y1K50220FCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 22PF 1.5KV C0G/NP0 2225
  • In Stock:15618
$2.39/pcsRFQ
1808J0160222FFR Image
  • Part#:1808J0160222FFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2200PF 16V C0G/NP0 1808
  • In Stock:62090
$0.518/pcsRFQ
1812Y2500120KCT Image
  • Part#:1812Y2500120KCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 12PF 250V C0G/NP0 1812
  • In Stock:57797
$0.346/pcsRFQ
1210Y5000470FAT Image
  • Part#:1210Y5000470FAT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 47PF 500V C0G/NP0 1210
  • In Stock:51512
$0.62/pcsRFQ
1206J1K00240FQT Image
  • Part#:1206J1K00240FQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 24PF 1KV C0G/NP0 1206
  • In Stock:44085
$0.779/pcsRFQ
1812J0250151GCR Image
  • Part#:1812J0250151GCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 150PF 25V C0G/NP0 1812
  • In Stock:72967
$0.463/pcsRFQ
0603Y150P100DQT Image
  • Part#:0603Y150P100DQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.1PF 150V C0G/NP0 0603
  • In Stock:293921
$0.079/pcsRFQ
1210J2000150KFR Image
  • Part#:1210J2000150KFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 15PF 200V C0G/NP0 1210
  • In Stock:97832
$0.235/pcsRFQ
1206J0500471JFT Image
  • Part#:1206J0500471JFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 470PF 50V C0G/NP0 1206
  • In Stock:147901
$0.138/pcsRFQ
1808Y6K00180GCT Image
  • Part#:1808Y6K00180GCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 18PF 6KV C0G/NP0 1808
  • In Stock:72280
$0.299/pcsRFQ
2220J6300122GCT Image
  • Part#:2220J6300122GCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1200PF 630V C0G/NP0 2220
  • In Stock:43181
$0.915/pcsRFQ
1812J5000224MXR Image
  • Part#:1812J5000224MXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.22UF 500V X7R 1812
  • In Stock:60676
$0.323/pcsRFQ
1812Y2K50820JCT Image
  • Part#:1812Y2K50820JCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 82PF 2.5KV C0G/NP0 1812
  • In Stock:61231
$0.318/pcsRFQ
2225J1K00562GCR Image
  • Part#:2225J1K00562GCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 5600PF 1KV C0G/NP0 2225
  • In Stock:13618
$2.386/pcsRFQ
  • Part#:0603J0100270GCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 27PF 10V C0G/NP0 0603
  • In Stock:265652
$0.09/pcsRFQ
1206Y0630151JER Image
  • Part#:1206Y0630151JER
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 150PF 63V X7R 1206
  • In Stock:137686
$0.136/pcsRFQ
1210J5000101MDT Image
  • Part#:1210J5000101MDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 100PF 500V X7R 1210
  • In Stock:140449
$0.158/pcsRFQ
1206J1K00821KDT Image
  • Part#:1206J1K00821KDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 820PF 1KV X7R 1206
  • In Stock:189712
$0.117/pcsRFQ
1210J0250120FFT Image
  • Part#:1210J0250120FFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 12PF 25V C0G/NP0 1210
  • In Stock:36326
$0.839/pcsRFQ
1210Y0250680GFR Image
  • Part#:1210Y0250680GFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 68PF 25V C0G/NP0 1210
  • In Stock:72640
$0.428/pcsRFQ
1206Y1000333MDT Image
  • Part#:1206Y1000333MDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.033UF 100V X7R 1206
  • In Stock:137829
$0.146/pcsRFQ
1808J0630821GCR Image
  • Part#:1808J0630821GCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 820PF 63V C0G/NP0 1808
  • In Stock:102177
$0.188/pcsRFQ
1808Y6K00121JXT Image
  • Part#:1808Y6K00121JXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 120PF 6KV X7R 1808
  • In Stock:86224
$0.218/pcsRFQ
  • Part#:1808Y1K00680FFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 68PF 1KV C0G/NP0 1808
  • In Stock:58258
$0.63/pcsRFQ
1808Y0630331KDR Image
  • Part#:1808Y0630331KDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 330PF 63V X7R 1808
  • In Stock:106145
$0.191/pcsRFQ
2225Y4K00151KCT Image
  • Part#:2225Y4K00151KCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 150PF 4KV C0G/NP0 2225
  • In Stock:67107
$0.48/pcsRFQ
2225Y0500390GFT Image
  • Part#:2225Y0500390GFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 39PF 50V C0G/NP0 2225
  • In Stock:15725
$2.445/pcsRFQ
1206Y0500183JER Image
  • Part#:1206Y0500183JER
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.018UF 50V X7R 1206
  • In Stock:161798
$0.138/pcsRFQ
0805J5000680JQT Image
  • Part#:0805J5000680JQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 68PF 500V C0G/NP0 0805
  • In Stock:95504
$0.215/pcsRFQ
1812Y5K00390JCR Image
  • Part#:1812Y5K00390JCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 39PF 5KV C0G/NP0 1812
  • In Stock:80064
$0.267/pcsRFQ
1210J2000390GAT Image
  • Part#:1210J2000390GAT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 39PF 200V C0G/NP0 1210
  • In Stock:76718
$0.462/pcsRFQ
0805Y0504P70DCR Image
  • Part#:0805Y0504P70DCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 4.7PF 50V C0G/NP0 0805
  • In Stock:417222
$0.053/pcsRFQ
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