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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

1210J2000472FAT Image
  • Part#:1210J2000472FAT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 4700PF 200V C0G/NP0 1210
  • In Stock:25381
$1.266/pcsRFQ
  • Part#:0805Y2500151MXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0805
  • In Stock:375262
$0.055/pcsRFQ
2225Y1K50331FCT Image
  • Part#:2225Y1K50331FCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 330PF 1.5KV C0G/NP0 2225
  • In Stock:14615
$2.469/pcsRFQ
0603J2000391JDR Image
  • Part#:0603J2000391JDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 390PF 200V X7R 0603
  • In Stock:272460
$0.074/pcsRFQ
1808J3K08P20DCT Image
  • Part#:1808J3K08P20DCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 8.2PF 3KV C0G/NP0 1808
  • In Stock:92711
$0.216/pcsRFQ
1808J0100470JCR Image
  • Part#:1808J0100470JCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 47PF 10V C0G/NP0 1808
  • In Stock:172810
$0.111/pcsRFQ
1812J1000331GAT Image
  • Part#:1812J1000331GAT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 330PF 100V C0G/NP0 1812
  • In Stock:52341
$0.725/pcsRFQ
1210J5000102JAT Image
  • Part#:1210J5000102JAT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1000PF 500V C0G/NP0 1210
  • In Stock:101784
$0.21/pcsRFQ
2220Y0250184JDR Image
  • Part#:2220Y0250184JDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.18UF 25V X7R 2220
  • In Stock:23693
$1.293/pcsRFQ
1825Y1K20182GCR Image
  • Part#:1825Y1K20182GCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1800PF 1.2KV C0G 1825
  • In Stock:26726
$1.204/pcsRFQ
1808Y1K20181FCT Image
  • Part#:1808Y1K20181FCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 180PF 1.2KV C0G/NP0 1808
  • In Stock:74950
$0.495/pcsRFQ
  • Part#:0805J0250273MXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.027UF 25V X7R 0805
  • In Stock:439716
$0.055/pcsRFQ
2225Y5000393JXT Image
  • Part#:2225Y5000393JXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.039UF 500V X7R 2225
  • In Stock:47278
$0.833/pcsRFQ
1808Y5000391FFT Image
  • Part#:1808Y5000391FFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 390PF 500V C0G/NP0 1808
  • In Stock:57405
$0.663/pcsRFQ
2220J0630683GCR Image
  • Part#:2220J0630683GCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.068UF 63V C0G/NP0 2220
  • In Stock:18669
$1.863/pcsRFQ
0603J1000151JDR Image
  • Part#:0603J1000151JDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 150PF 100V X7R 0603
  • In Stock:274467
$0.074/pcsRFQ
1812J1K20472MXR Image
  • Part#:1812J1K20472MXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 4700PF 1.2KV X7R 1812
  • In Stock:99780
$0.236/pcsRFQ
1206Y1K51P20BCT Image
  • Part#:1206Y1K51P20BCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1.2PF 1.5KV C0G/NP0 1206
  • In Stock:71730
$0.321/pcsRFQ
1812Y2000224JDT Image
  • Part#:1812Y2000224JDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.22UF 200V X7R 1812
  • In Stock:40800
$0.794/pcsRFQ
1812Y2000123JFR Image
  • Part#:1812Y2000123JFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.012UF 200V C0G 1812
  • In Stock:51281
$0.753/pcsRFQ
2225J2500680FFR Image
  • Part#:2225J2500680FFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 68PF 250V C0G/NP0 2225
  • In Stock:7607
$4.606/pcsRFQ
1206J5000131JQT Image
  • Part#:1206J5000131JQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 130PF 500V C0G/NP0 1206
  • In Stock:104680
$0.213/pcsRFQ
0805Y1000180KCR Image
  • Part#:0805Y1000180KCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 18PF 100V C0G/NP0 0805
  • In Stock:376886
$0.05/pcsRFQ
2220J2000223JDR Image
  • Part#:2220J2000223JDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.022UF 200V X7R 2220
  • In Stock:29482
$1.139/pcsRFQ
1210Y1000821JCT Image
  • Part#:1210Y1000821JCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 820PF 100V C0G/NP0 1210
  • In Stock:134438
$0.177/pcsRFQ
0603Y0501P80CQT Image
  • Part#:0603Y0501P80CQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1.8PF 50V C0G/NP0 0603
  • In Stock:234135
$0.09/pcsRFQ
2225J0500561KCR Image
  • Part#:2225J0500561KCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 560PF 50V C0G/NP0 2225
  • In Stock:40527
$0.824/pcsRFQ
1808Y1K00103JXR Image
  • Part#:1808Y1K00103JXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 10000PF 1KV X7R 1808
  • In Stock:86507
$0.231/pcsRFQ
1812Y1K50182KXT Image
  • Part#:1812Y1K50182KXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1800PF 1.5KV X7R 1812
  • In Stock:70700
$0.3/pcsRFQ
1210Y1K50121GCT Image
  • Part#:1210Y1K50121GCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 120PF 1.5KV C0G/NP0 1210
  • In Stock:78597
$0.248/pcsRFQ
1808Y0630332JXR Image
  • Part#:1808Y0630332JXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3300PF 63V X7R 1808
  • In Stock:132187
$0.165/pcsRFQ
1206Y6309P10BQT Image
  • Part#:1206Y6309P10BQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 9.1PF 630V C0G/NP0 1206
  • In Stock:59001
$0.562/pcsRFQ
0805J0501P80CAR Image
  • Part#:0805J0501P80CAR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1.8PF 50V C0G/NP0 0805
  • In Stock:185176
$0.121/pcsRFQ
1210Y5000391JFR Image
  • Part#:1210Y5000391JFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 390PF 500V C0G/NP0 1210
  • In Stock:99028
$0.194/pcsRFQ
1812J2000272KFR Image
  • Part#:1812J2000272KFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2700PF 200V C0G/NP0 1812
  • In Stock:81888
$0.46/pcsRFQ
2225Y0630150JCT Image
  • Part#:2225Y0630150JCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 15PF 63V C0G/NP0 2225
  • In Stock:41326
$0.938/pcsRFQ
  • Part#:1812J5000392KXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1812
  • In Stock:84329
$0.241/pcsRFQ
0805J5000121GCT Image
  • Part#:0805J5000121GCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 120PF 500V C0G/NP0 0805
  • In Stock:213947
$0.102/pcsRFQ
1808JA255P60DCTSY2 Image
  • Part#:1808JA255P60DCTSY2
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 5.6PF 250V C0G/NP0 1808
  • In Stock:73506
$0.323/pcsRFQ
1812Y2000473MER Image
  • Part#:1812Y2000473MER
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.047UF 200V X7R 1812
  • In Stock:88087
$0.393/pcsRFQ
  • Part#:0805J0500273KXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.027UF 50V X7R 0805
  • In Stock:369825
$0.057/pcsRFQ
2225Y2500273MXT Image
  • Part#:2225Y2500273MXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.027UF 250V X7R 2225
  • In Stock:49356
$0.769/pcsRFQ
2220JA250681KXRB16 Image
  • Part#:2220JA250681KXRB16
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 680PF 250V X7R 2220
  • In Stock:99882
$0.386/pcsRFQ
2220Y1K50681FCR Image
  • Part#:2220Y1K50681FCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 680PF 1.5KV C0G/NP0 2220
  • In Stock:15428
$2.135/pcsRFQ
2225J6K00120KCT Image
  • Part#:2225J6K00120KCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 12PF 6KV C0G/NP0 2225
  • In Stock:95266
$0.394/pcsRFQ
2225J0630331FFT Image
  • Part#:2225J0630331FFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 330PF 63V C0G/NP0 2225
  • In Stock:7831
$4.133/pcsRFQ
0603Y2000152MDT Image
  • Part#:0603Y2000152MDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1500PF 200V X7R 0603
  • In Stock:332523
$0.064/pcsRFQ
1812Y1K20560KCT Image
  • Part#:1812Y1K20560KCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 56PF 1.2KV C0G/NP0 1812
  • In Stock:65447
$0.29/pcsRFQ
1206J6303P30CCR Image
  • Part#:1206J6303P30CCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3.3PF 630V C0G/NP0 1206
  • In Stock:148535
$0.131/pcsRFQ
1812J0630470FCT Image
  • Part#:1812J0630470FCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 47PF 63V C0G/NP0 1812
  • In Stock:38412
$0.8/pcsRFQ
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