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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

0805J0630183JXT Image
  • Part#:0805J0630183JXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.018UF 63V X7R 0805
  • In Stock:258754
$0.085/pcsRFQ
2225J2000182JCT Image
  • Part#:2225J2000182JCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1800PF 200V C0G/NP0 2225
  • In Stock:40523
$0.967/pcsRFQ
1812J5000270JCR Image
  • Part#:1812J5000270JCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 27PF 500V C0G/NP0 1812
  • In Stock:96951
$0.242/pcsRFQ
2220J2K50271KCR Image
  • Part#:2220J2K50271KCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 270PF 2.5KV C0G/NP0 2220
  • In Stock:73347
$0.521/pcsRFQ
1210Y0500100FAT Image
  • Part#:1210Y0500100FAT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 10PF 50V C0G/NP0 1210
  • In Stock:33666
$0.884/pcsRFQ
1206J6301P50CAT Image
  • Part#:1206J6301P50CAT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1.5PF 630V C0G/NP0 1206
  • In Stock:100755
$0.207/pcsRFQ
2211YA250391KXRSPU Image
  • Part#:2211YA250391KXRSPU
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 390PF 250V X7R 2211
  • In Stock:88636
$0.438/pcsRFQ
1206Y1K00472MXT Image
  • Part#:1206Y1K00472MXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 4700PF 1KV X7R 1206
  • In Stock:229876
$0.091/pcsRFQ
2220J2K50472KXT Image
  • Part#:2220J2K50472KXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 4700PF 2.5KV X7R 2220
  • In Stock:60866
$0.567/pcsRFQ
1812Y0250184JXT Image
  • Part#:1812Y0250184JXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.18UF 25V X7R 1812
  • In Stock:72030
$0.417/pcsRFQ
1812Y1K00271MDT Image
  • Part#:1812Y1K00271MDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 270PF 1KV X7R 1812
  • In Stock:76549
$0.412/pcsRFQ
1812Y0630682JAT Image
  • Part#:1812Y0630682JAT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 6800PF 63V C0G/NP0 1812
  • In Stock:59156
$0.539/pcsRFQ
1808Y0250330FFT Image
  • Part#:1808Y0250330FFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 33PF 25V C0G/NP0 1808
  • In Stock:61523
$0.58/pcsRFQ
1812J2K00122KXT Image
  • Part#:1812J2K00122KXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1200PF 2KV X7R 1812
  • In Stock:88523
$0.269/pcsRFQ
2225J1000274JXT Image
  • Part#:2225J1000274JXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.27UF 100V X7R 2225
  • In Stock:32177
$0.979/pcsRFQ
1210J2000120FCR Image
  • Part#:1210J2000120FCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 12PF 200V C0G/NP0 1210
  • In Stock:62696
$0.588/pcsRFQ
1206Y0250183GCT Image
  • Part#:1206Y0250183GCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.018UF 25V C0G/NP0 1206
  • In Stock:57058
$0.364/pcsRFQ
2220J1000560FFT Image
  • Part#:2220J1000560FFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 56PF 100V C0G/NP0 2220
  • In Stock:8510
$3.793/pcsRFQ
2220Y1K00330GFT Image
  • Part#:2220Y1K00330GFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 33PF 1KV C0G/NP0 2220
  • In Stock:24835
$1.419/pcsRFQ
0505J2002P40CQT Image
  • Part#:0505J2002P40CQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2.4PF 200V C0G/NP0 0505
  • In Stock:107760
$0.188/pcsRFQ
1812J0630392JDT Image
  • Part#:1812J0630392JDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3900PF 63V X7R 1812
  • In Stock:83929
$0.461/pcsRFQ
1206J5000122MDR Image
  • Part#:1206J5000122MDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1200PF 500V X7R 1206
  • In Stock:241376
$0.089/pcsRFQ
  • Part#:1206Y5000182JER
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1206
  • In Stock:202697
$0.101/pcsRFQ
1210Y5000821KDT Image
  • Part#:1210Y5000821KDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 820PF 500V X7R 1210
  • In Stock:139107
$0.164/pcsRFQ
1808Y0250682JDR Image
  • Part#:1808Y0250682JDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 6800PF 25V X7R 1808
  • In Stock:111721
$0.208/pcsRFQ
1206J1000823JDT Image
  • Part#:1206J1000823JDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.082UF 100V X7R 1206
  • In Stock:92568
$0.21/pcsRFQ
1206J1000470FAT Image
  • Part#:1206J1000470FAT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 47PF 100V C0G/NP0 1206
  • In Stock:79851
$0.405/pcsRFQ
2220J0500474JXT Image
  • Part#:2220J0500474JXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.47UF 50V X7R 2220
  • In Stock:44207
$0.845/pcsRFQ
0805J0160122MXR Image
  • Part#:0805J0160122MXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1200PF 16V X7R 0805
  • In Stock:522758
$0.045/pcsRFQ
0603J2500160JUT Image
  • Part#:0603J2500160JUT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 16PF 250V C0G/NP0 0603
  • In Stock:144360
$0.137/pcsRFQ
1825J0100102GCT Image
  • Part#:1825J0100102GCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1000PF 10V C0G/NP0 1825
  • In Stock:24795
$1.331/pcsRFQ
1808Y2500393MDT Image
  • Part#:1808Y2500393MDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.039UF 250V X7R 1808
  • In Stock:70649
$0.304/pcsRFQ
1210J5000331JFR Image
  • Part#:1210J5000331JFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 330PF 500V C0G/NP0 1210
  • In Stock:104864
$0.187/pcsRFQ
2220Y1000333GFT Image
  • Part#:2220Y1000333GFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.033UF 100V C0G 2220
  • In Stock:11098
$2.81/pcsRFQ
1812Y1K00271KDT Image
  • Part#:1812Y1K00271KDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 270PF 1KV X7R 1812
  • In Stock:80918
$0.46/pcsRFQ
2225J5000561GCR Image
  • Part#:2225J5000561GCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 560PF 500V C0G/NP0 2225
  • In Stock:25082
$1.288/pcsRFQ
1206J0500124KXR Image
  • Part#:1206J0500124KXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.12UF 50V X7R 1206
  • In Stock:224277
$0.092/pcsRFQ
1812Y5K00820FCT Image
  • Part#:1812Y5K00820FCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 82PF 5KV C0G/NP0 1812
  • In Stock:52813
$0.743/pcsRFQ
1206Y0634P70BAR Image
  • Part#:1206Y0634P70BAR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 4.7PF 63V C0G/NP0 1206
  • In Stock:103852
$0.357/pcsRFQ
1206J0250181JCT Image
  • Part#:1206J0250181JCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 180PF 25V C0G/NP0 1206
  • In Stock:241453
$0.087/pcsRFQ
0603J1000680KAT Image
  • Part#:0603J1000680KAT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 68PF 100V C0G/NP0 0603
  • In Stock:322175
$0.07/pcsRFQ
1812Y6K00270KCT Image
  • Part#:1812Y6K00270KCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 27PF 6KV C0G/NP0 1812
  • In Stock:79685
$0.286/pcsRFQ
1808J0250223JXT Image
  • Part#:1808J0250223JXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.022UF 25V X7R 1808
  • In Stock:122264
$0.178/pcsRFQ
2220Y4K00680GCT Image
  • Part#:2220Y4K00680GCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 68PF 4KV C0G/NP0 2220
  • In Stock:61430
$0.594/pcsRFQ
1808Y0250682KFR Image
  • Part#:1808Y0250682KFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 6800PF 25V C0G/NP0 1808
  • In Stock:114146
$0.203/pcsRFQ
1206Y2501P30CQT Image
  • Part#:1206Y2501P30CQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1.3PF 250V C0G/NP0 1206
  • In Stock:121424
$0.177/pcsRFQ
1210Y0100820JCT Image
  • Part#:1210Y0100820JCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 82PF 10V C0G/NP0 1210
  • In Stock:129684
$0.174/pcsRFQ
2225J0100470FCT Image
  • Part#:2225J0100470FCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 47PF 10V C0G/NP0 2225
  • In Stock:10768
$3.298/pcsRFQ
0805J0100820GCT Image
  • Part#:0805J0100820GCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 82PF 10V C0G/NP0 0805
  • In Stock:239228
$0.096/pcsRFQ
0805Y2000681MXR Image
  • Part#:0805Y2000681MXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 680PF 200V X7R 0805
  • In Stock:394510
$0.061/pcsRFQ
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