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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

0805Y6300820FCT Image
  • Part#:0805Y6300820FCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 82PF 630V C0G/NP0 0805
  • In Stock:106652
$0.198/pcsRFQ
1812J1K20391FCT Image
  • Part#:1812J1K20391FCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 390PF 1.2KV C0G/NP0 1812
  • In Stock:32254
$0.973/pcsRFQ
1825J1K50472KXT Image
  • Part#:1825J1K50472KXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 4700PF 1.5KV X7R 1825
  • In Stock:61641
$0.546/pcsRFQ
1808J0160561KCR Image
  • Part#:1808J0160561KCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 560PF 16V C0G/NP0 1808
  • In Stock:167086
$0.114/pcsRFQ
1808Y0504P70DCT Image
  • Part#:1808Y0504P70DCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 4.7PF 50V C0G/NP0 1808
  • In Stock:136789
$0.154/pcsRFQ
2220J1K00681FFR Image
  • Part#:2220J1K00681FFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 680PF 1KV C0G/NP0 2220
  • In Stock:13881
$2.716/pcsRFQ
2220J0250820GFR Image
  • Part#:2220J0250820GFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 82PF 25V C0G/NP0 2220
  • In Stock:18138
$1.953/pcsRFQ
1210J1000472JAR Image
  • Part#:1210J1000472JAR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 4700PF 100V C0G/NP0 1210
  • In Stock:68483
$0.283/pcsRFQ
1808J6300220GCT Image
  • Part#:1808J6300220GCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 22PF 630V C0G/NP0 1808
  • In Stock:115920
$0.205/pcsRFQ
1206J5000470JDT Image
  • Part#:1206J5000470JDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 47PF 500V X7R 1206
  • In Stock:154096
$0.133/pcsRFQ
1206J0500390GCR Image
  • Part#:1206J0500390GCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 39PF 50V C0G/NP0 1206
  • In Stock:140215
$0.138/pcsRFQ
0603J0500273JDR Image
  • Part#:0603J0500273JDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.027UF 50V X7R 0603
  • In Stock:237654
$0.09/pcsRFQ
0603Y050P470CFT Image
  • Part#:0603Y050P470CFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.47PF 50V C0G/NP0 0603
  • In Stock:208107
$0.106/pcsRFQ
0603Y2000152JET Image
  • Part#:0603Y2000152JET
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1500PF 200V X7R 0603
  • In Stock:257342
$0.082/pcsRFQ
1210Y0630270FAT Image
  • Part#:1210Y0630270FAT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 27PF 63V C0G/NP0 1210
  • In Stock:39969
$0.884/pcsRFQ
1206Y6300821JXT Image
  • Part#:1206Y6300821JXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 820PF 630V X7R 1206
  • In Stock:213946
$0.088/pcsRFQ
  • Part#:0603J2001P20CFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1.2PF 200V C0G/NP0 0603
  • In Stock:228489
$0.082/pcsRFQ
2225Y5000472JDR Image
  • Part#:2225Y5000472JDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 4700PF 500V X7R 2225
  • In Stock:31072
$1.251/pcsRFQ
2220J0500331FFR Image
  • Part#:2220J0500331FFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 330PF 50V C0G/NP0 2220
  • In Stock:8814
$4.28/pcsRFQ
1812Y5000470FFT Image
  • Part#:1812Y5000470FFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 47PF 500V C0G/NP0 1812
  • In Stock:21928
$1.457/pcsRFQ
1206J1500130GQT Image
  • Part#:1206J1500130GQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 13PF 150V C0G/NP0 1206
  • In Stock:55274
$0.353/pcsRFQ
1812Y2500272FFR Image
  • Part#:1812Y2500272FFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2700PF 250V C0G/NP0 1812
  • In Stock:19323
$1.926/pcsRFQ
0505Y2500390GQT Image
  • Part#:0505Y2500390GQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 39PF 250V C0G/NP0 0505
  • In Stock:57664
$0.33/pcsRFQ
1812Y1K00682MET Image
  • Part#:1812Y1K00682MET
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 6800PF 1KV X7R 1812
  • In Stock:87620
$0.412/pcsRFQ
0603Y2503P90DCR Image
  • Part#:0603Y2503P90DCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3.9PF 250V C0G/NP0 0603
  • In Stock:375731
$0.05/pcsRFQ
0805Y0630470KQT Image
  • Part#:0805Y0630470KQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 47PF 63V C0G/NP0 0805
  • In Stock:136525
$0.167/pcsRFQ
1206Y1K00270KAT Image
  • Part#:1206Y1K00270KAT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 27PF 1KV C0G/NP0 1206
  • In Stock:144311
$0.136/pcsRFQ
2225Y2K00102KCT Image
  • Part#:2225Y2K00102KCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1000PF 2KV C0G/NP0 2225
  • In Stock:45464
$0.86/pcsRFQ
1812J0630223GCT Image
  • Part#:1812J0630223GCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.022UF 63V C0G/NP0 1812
  • In Stock:51142
$0.749/pcsRFQ
1210Y6300151JCT Image
  • Part#:1210Y6300151JCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 150PF 630V C0G/NP0 1210
  • In Stock:163327
$0.135/pcsRFQ
1111Y5000910GUT Image
  • Part#:1111Y5000910GUT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 91PF 500V C0G/NP0 1111
  • In Stock:5055
 RFQ
0805J0630471FQT Image
  • Part#:0805J0630471FQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 470PF 63V C0G/NP0 0805
  • In Stock:40016
$0.846/pcsRFQ
1210Y1K50392MXT Image
  • Part#:1210Y1K50392MXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3900PF 1.5KV X7R 1210
  • In Stock:128239
$0.147/pcsRFQ
1812J1K00393JXT Image
  • Part#:1812J1K00393JXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.039UF 1KV X7R 1812
  • In Stock:98328
$0.382/pcsRFQ
1825Y0160823KCR Image
  • Part#:1825Y0160823KCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.082UF 16V C0G/NP0 1825
  • In Stock:28273
$1.24/pcsRFQ
1206J0500682MDT Image
  • Part#:1206J0500682MDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 6800PF 50V X7R 1206
  • In Stock:220120
$0.106/pcsRFQ
2225Y0160685JDR Image
  • Part#:2225Y0160685JDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 6.8UF 16V X7R 2225
  • In Stock:12327
$3.127/pcsRFQ
1812J2K50332MXR Image
  • Part#:1812J2K50332MXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3300PF 2.5KV X7R 1812
  • In Stock:69830
$0.268/pcsRFQ
1206J1K00680GFT Image
  • Part#:1206J1K00680GFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 68PF 1KV C0G/NP0 1206
  • In Stock:88764
$0.259/pcsRFQ
0505Y3000120KQT Image
  • Part#:0505Y3000120KQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 12PF 300V C0G/NP0 0505
  • In Stock:130667
$0.155/pcsRFQ
0603J0508P20BQT Image
  • Part#:0603J0508P20BQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 8.2PF 50V C0G/NP0 0603
  • In Stock:81348
$0.285/pcsRFQ
1111Y1K00240GQT Image
  • Part#:1111Y1K00240GQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 24PF 1KV C0G/NP0 1111
  • In Stock:60317
$0.592/pcsRFQ
1808J0630124KXR Image
  • Part#:1808J0630124KXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.12UF 63V X7R 1808
  • In Stock:140464
$0.146/pcsRFQ
2220J0160104MDT Image
  • Part#:2220J0160104MDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.1UF 16V X7R 2220
  • In Stock:44299
$0.848/pcsRFQ
0805J0253P90CFR Image
  • Part#:0805J0253P90CFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3.9PF 25V C0G/NP0 0805
  • In Stock:172605
$0.124/pcsRFQ
1808Y5000471MXT Image
  • Part#:1808Y5000471MXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 470PF 500V X7R 1808
  • In Stock:142901
$0.136/pcsRFQ
1825J0630682JCR Image
  • Part#:1825J0630682JCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 6800PF 63V C0G/NP0 1825
  • In Stock:45089
$0.725/pcsRFQ
2220Y3K00390JCT Image
  • Part#:2220Y3K00390JCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 39PF 3KV C0G/NP0 2220
  • In Stock:58488
$0.659/pcsRFQ
2220Y2K00392MXT Image
  • Part#:2220Y2K00392MXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3900PF 2KV X7R 2220
  • In Stock:68091
$0.513/pcsRFQ
1210Y5000152GAR Image
  • Part#:1210Y5000152GAR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1500PF 500V C0G/NP0 1210
  • In Stock:79949
$0.382/pcsRFQ
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