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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

1808Y1K00102MDT Image
  • Part#:1808Y1K00102MDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1000PF 1KV X7R 1808
  • In Stock:109468
$0.219/pcsRFQ
1808J0500333FCT Image
  • Part#:1808J0500333FCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.033UF 50V C0G/NP0 1808
  • In Stock:39060
$0.996/pcsRFQ
0603J2001P50BAR Image
  • Part#:0603J2001P50BAR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1.5PF 200V C0G/NP0 0603
  • In Stock:113100
$0.207/pcsRFQ
2225J2000562KFT Image
  • Part#:2225J2000562KFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 5600PF 200V C0G/NP0 2225
  • In Stock:22747
$1.509/pcsRFQ
1808J0250270MDR Image
  • Part#:1808J0250270MDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 27PF 25V X7R 1808
  • In Stock:131060
$0.156/pcsRFQ
0805Y1002P70DFR Image
  • Part#:0805Y1002P70DFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2.7PF 100V C0G/NP0 0805
  • In Stock:297734
$0.079/pcsRFQ
2220J1K00123JXR Image
  • Part#:2220J1K00123JXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.012UF 1KV X7R 2220
  • In Stock:60534
$0.614/pcsRFQ
0805Y2500151JDR Image
  • Part#:0805Y2500151JDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 150PF 250V X7R 0805
  • In Stock:186218
$0.111/pcsRFQ
1808Y4K00121KCT Image
  • Part#:1808Y4K00121KCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 120PF 4KV C0G/NP0 1808
  • In Stock:105806
$0.209/pcsRFQ
0805Y0160682JFT Image
  • Part#:0805Y0160682JFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 6800PF 16V C0G/NP0 0805
  • In Stock:111697
$0.172/pcsRFQ
1825Y2K50821MXT Image
  • Part#:1825Y2K50821MXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 820PF 2.5KV X7R 1825
  • In Stock:54607
$0.557/pcsRFQ
2225Y1000563KDT Image
  • Part#:2225Y1000563KDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.056UF 100V X7R 2225
  • In Stock:28392
$1.127/pcsRFQ
1206Y6301P40DQT Image
  • Part#:1206Y6301P40DQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1.4PF 630V C0G/NP0 1206
  • In Stock:109911
$0.172/pcsRFQ
0603Y0501P80DFT Image
  • Part#:0603Y0501P80DFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1.8PF 50V C0G/NP0 0603
  • In Stock:282492
$0.077/pcsRFQ
1812Y5000271FFT Image
  • Part#:1812Y5000271FFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 270PF 500V C0G/NP0 1812
  • In Stock:36206
$0.997/pcsRFQ
2225J1K00222FFR Image
  • Part#:2225J1K00222FFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2200PF 1KV C0G/NP0 2225
  • In Stock:10523
$3.191/pcsRFQ
1206J0506P80CCT Image
  • Part#:1206J0506P80CCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 6.8PF 50V C0G/NP0 1206
  • In Stock:194154
$0.115/pcsRFQ
2225Y5K00181FCR Image
  • Part#:2225Y5K00181FCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 180PF 5KV C0G/NP0 2225
  • In Stock:13340
$2.302/pcsRFQ
1206Y0500123KCT Image
  • Part#:1206Y0500123KCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.012UF 50V C0G/NP0 1206
  • In Stock:128709
$0.176/pcsRFQ
  • Part#:1206Y5000102JDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1000PF 500V X7R 1206
  • In Stock:204173
$0.102/pcsRFQ
1812J1K50180KCT Image
  • Part#:1812J1K50180KCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 18PF 1.5KV C0G/NP0 1812
  • In Stock:81947
$0.273/pcsRFQ
0603Y0160391GCT Image
  • Part#:0603Y0160391GCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 390PF 16V C0G/NP0 0603
  • In Stock:194842
$0.101/pcsRFQ
2225Y0500682KFT Image
  • Part#:2225Y0500682KFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 6800PF 50V C0G/NP0 2225
  • In Stock:26097
$1.409/pcsRFQ
2220J0500471JCT Image
  • Part#:2220J0500471JCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 470PF 50V C0G/NP0 2220
  • In Stock:56725
$0.682/pcsRFQ
0805J1000390GCT Image
  • Part#:0805J1000390GCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 39PF 100V C0G/NP0 0805
  • In Stock:205501
$0.097/pcsRFQ
0805Y1000110FQT Image
  • Part#:0805Y1000110FQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 11PF 100V C0G/NP0 0805
  • In Stock:74292
$0.455/pcsRFQ
1808Y0500560GCT Image
  • Part#:1808Y0500560GCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 56PF 50V C0G/NP0 1808
  • In Stock:122453
$0.198/pcsRFQ
2220J1K00100KFT Image
  • Part#:2220J1K00100KFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 10PF 1KV C0G/NP0 2220
  • In Stock:46376
$0.672/pcsRFQ
1210J0500683KXT Image
  • Part#:1210J0500683KXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.068UF 50V X7R 1210
  • In Stock:146923
$0.158/pcsRFQ
1210J1K20391JCT Image
  • Part#:1210J1K20391JCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 390PF 1.2KV C0G/NP0 1210
  • In Stock:124347
$0.186/pcsRFQ
2220Y0160225JXR Image
  • Part#:2220Y0160225JXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2.2UF 16V X7R 2220
  • In Stock:33961
$1.06/pcsRFQ
1812J2500274JXT Image
  • Part#:1812J2500274JXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.27UF 250V X7R 1812
  • In Stock:69280
$0.494/pcsRFQ
1206Y1000393KXR Image
  • Part#:1206Y1000393KXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.039UF 100V X7R 1206
  • In Stock:243427
$0.097/pcsRFQ
1210Y0500561FCT Image
  • Part#:1210Y0500561FCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 560PF 50V C0G/NP0 1210
  • In Stock:60658
$0.588/pcsRFQ
1206Y1K09P10HQT Image
  • Part#:1206Y1K09P10HQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 9.1PF 1KV C0G/NP0 1206
  • In Stock:31871
$1.179/pcsRFQ
  • Part#:1808J0500220JCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1808
  • In Stock:226857
$0.104/pcsRFQ
0603J0500103MDR Image
  • Part#:0603J0500103MDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 10000PF 50V X7R 0603
  • In Stock:334097
$0.06/pcsRFQ
1825J4K00391JXT Image
  • Part#:1825J4K00391JXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 390PF 4KV X7R 1825
  • In Stock:62131
$0.353/pcsRFQ
1825J5000681JCT Image
  • Part#:1825J5000681JCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 680PF 500V C0G/NP0 1825
  • In Stock:58801
$0.556/pcsRFQ
1808Y0100184MXR Image
  • Part#:1808Y0100184MXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.18UF 10V X7R 1808
  • In Stock:140395
$0.167/pcsRFQ
0805Y0630560KFT Image
  • Part#:0805Y0630560KFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 56PF 63V C0G/NP0 0805
  • In Stock:284816
$0.081/pcsRFQ
0603Y2000560FFR Image
  • Part#:0603Y2000560FFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 56PF 200V C0G/NP0 0603
  • In Stock:84075
$0.277/pcsRFQ
  • Part#:0603Y0630561MDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 560PF 63V X7R 0603
  • In Stock:373155
$0.051/pcsRFQ
1210J1000101FAR Image
  • Part#:1210J1000101FAR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 100PF 100V C0G/NP0 1210
  • In Stock:35631
$0.84/pcsRFQ
0505J1503P00HQT Image
  • Part#:0505J1503P00HQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3PF 150V C0G/NP0 0505
  • In Stock:68371
$0.541/pcsRFQ
2220J2000683JXR Image
  • Part#:2220J2000683JXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.068UF 200V X7R 2220
  • In Stock:48395
$0.744/pcsRFQ
1206J5000152KFT Image
  • Part#:1206J5000152KFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1500PF 500V C0G/NP0 1206
  • In Stock:135731
$0.15/pcsRFQ
1210Y5004P70CCR Image
  • Part#:1210Y5004P70CCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 4.7PF 500V C0G/NP0 1210
  • In Stock:112347
$0.21/pcsRFQ
1825J1000155MXR Image
  • Part#:1825J1000155MXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1.5UF 100V X7R 1825
  • In Stock:36172
$1.083/pcsRFQ
1812Y5000102GFR Image
  • Part#:1812Y5000102GFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1000PF 500V C0G/NP0 1812
  • In Stock:47614
$0.636/pcsRFQ
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