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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

1812Y0250184KXR Image
  • Part#:1812Y0250184KXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.18UF 25V X7R 1812
  • In Stock:76780
$0.313/pcsRFQ
1812Y1K20120FCT Image
  • Part#:1812Y1K20120FCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 12PF 1.2KV C0G/NP0 1812
  • In Stock:41476
$0.937/pcsRFQ
0603J1000101KFR Image
  • Part#:0603J1000101KFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 100PF 100V C0G/NP0 0603
  • In Stock:307164
$0.067/pcsRFQ
  • Part#:1808J0500180KCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1808
  • In Stock:184206
$0.111/pcsRFQ
1210J6300561GAT Image
  • Part#:1210J6300561GAT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 560PF 630V C0G/NP0 1210
  • In Stock:61605
$0.354/pcsRFQ
1825J0100123JCT Image
  • Part#:1825J0100123JCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.012UF 10V C0G/NP0 1825
  • In Stock:46771
$0.779/pcsRFQ
1808J1K00561MDR Image
  • Part#:1808J1K00561MDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 560PF 1KV X7R 1808
  • In Stock:105793
$0.182/pcsRFQ
1808Y5000681KFR Image
  • Part#:1808Y5000681KFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 680PF 500V C0G/NP0 1808
  • In Stock:122890
$0.195/pcsRFQ
0805Y0500121JDR Image
  • Part#:0805Y0500121JDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 120PF 50V X7R 0805
  • In Stock:235047
$0.091/pcsRFQ
1206J6300151MXR Image
  • Part#:1206J6300151MXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 150PF 630V X7R 1206
  • In Stock:298230
$0.077/pcsRFQ
1825J0500333FCR Image
  • Part#:1825J0500333FCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.033UF 50V C0G/NP0 1825
  • In Stock:12006
$3.257/pcsRFQ
1808Y0160332JFT Image
  • Part#:1808Y0160332JFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3300PF 16V C0G/NP0 1808
  • In Stock:112336
$0.195/pcsRFQ
1808J0160152MDT Image
  • Part#:1808J0160152MDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1500PF 16V X7R 1808
  • In Stock:138070
$0.171/pcsRFQ
1812Y0500562FFR Image
  • Part#:1812Y0500562FFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 5600PF 50V C0G/NP0 1812
  • In Stock:18510
$1.666/pcsRFQ
0603Y1000150JAR Image
  • Part#:0603Y1000150JAR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 15PF 100V C0G/NP0 0603
  • In Stock:315426
$0.073/pcsRFQ
0805J2000471KFR Image
  • Part#:0805J2000471KFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 470PF 200V C0G/NP0 0805
  • In Stock:205814
$0.099/pcsRFQ
1808Y0250332FCR Image
  • Part#:1808Y0250332FCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3300PF 25V C0G/NP0 1808
  • In Stock:92628
$0.378/pcsRFQ
1206J0501P80BCR Image
  • Part#:1206J0501P80BCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1.8PF 50V C0G/NP0 1206
  • In Stock:96405
$0.235/pcsRFQ
1206J2500750GQT Image
  • Part#:1206J2500750GQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 75PF 250V C0G/NP0 1206
  • In Stock:87875
$0.368/pcsRFQ
1210Y0250223MXT Image
  • Part#:1210Y0250223MXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.022UF 25V X7R 1210
  • In Stock:155380
$0.145/pcsRFQ
0805Y1000221MCRE03 Image
  • Part#:0805Y1000221MCRE03
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 220PF 100V C0G/NP0 0805
  • In Stock:111002
$0.212/pcsRFQ
1812Y2000393JDR Image
  • Part#:1812Y2000393JDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.039UF 200V X7R 1812
  • In Stock:57646
$0.529/pcsRFQ
0603Y1500240FQT Image
  • Part#:0603Y1500240FQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 24PF 150V C0G/NP0 0603
  • In Stock:79789
$0.282/pcsRFQ
0603Y250P560CCR Image
  • Part#:0603Y250P560CCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.56PF 250V C0G/NP0 0603
  • In Stock:294434
$0.073/pcsRFQ
2225J2K00122KCT Image
  • Part#:2225J2K00122KCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1200PF 2KV C0G/NP0 2225
  • In Stock:28559
$1.154/pcsRFQ
1210J5000271KCR Image
  • Part#:1210J5000271KCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 270PF 500V C0G/NP0 1210
  • In Stock:192796
$0.113/pcsRFQ
2220Y0630681GFR Image
  • Part#:2220Y0630681GFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 680PF 63V C0G/NP0 2220
  • In Stock:16097
$1.969/pcsRFQ
1210Y1K00331GFT Image
  • Part#:1210Y1K00331GFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 330PF 1KV C0G/NP0 1210
  • In Stock:90634
$0.418/pcsRFQ
1206Y1K53P90BCR Image
  • Part#:1206Y1K53P90BCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3.9PF 1.5KV C0G/NP0 1206
  • In Stock:63084
$0.299/pcsRFQ
1825Y0160473KCR Image
  • Part#:1825Y0160473KCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.047UF 16V C0G/NP0 1825
  • In Stock:32656
$1.118/pcsRFQ
0603J0500271JDT Image
  • Part#:0603J0500271JDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 270PF 50V X7R 0603
  • In Stock:239774
$0.078/pcsRFQ
1206J0500332GCR Image
  • Part#:1206J0500332GCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3300PF 50V C0G/NP0 1206
  • In Stock:119073
$0.199/pcsRFQ
1812J4K00100KCR Image
  • Part#:1812J4K00100KCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 10PF 4KV C0G/NP0 1812
  • In Stock:83660
$0.241/pcsRFQ
1812J2500682JFT Image
  • Part#:1812J2500682JFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 6800PF 250V C0G/NP0 1812
  • In Stock:72156
$0.546/pcsRFQ
1210Y1003P90CCR Image
  • Part#:1210Y1003P90CCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3.9PF 100V C0G/NP0 1210
  • In Stock:93338
$0.244/pcsRFQ
0603J1000330FCT Image
  • Part#:0603J1000330FCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 33PF 100V C0G/NP0 0603
  • In Stock:147831
$0.163/pcsRFQ
2225Y0160820GCR Image
  • Part#:2225Y0160820GCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 82PF 16V C0G/NP0 2225
  • In Stock:21531
$1.837/pcsRFQ
1812J6K00681JXR Image
  • Part#:1812J6K00681JXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 680PF 6KV X7R 1812
  • In Stock:89977
$0.243/pcsRFQ
1812Y0160152JFT Image
  • Part#:1812Y0160152JFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1500PF 16V C0G/NP0 1812
  • In Stock:84957
$0.459/pcsRFQ
2220Y3K00471JXT Image
  • Part#:2220Y3K00471JXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 470PF 3KV X7R 2220
  • In Stock:49002
$0.706/pcsRFQ
0603J0250682KDR Image
  • Part#:0603J0250682KDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 6800PF 25V X7R 0603
  • In Stock:300332
$0.064/pcsRFQ
0603J250P820DFT Image
  • Part#:0603J250P820DFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.82PF 250V C0G/NP0 0603
  • In Stock:281535
$0.074/pcsRFQ
0805Y0100101JCT Image
  • Part#:0805Y0100101JCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 100PF 10V C0G/NP0 0805
  • In Stock:322749
$0.063/pcsRFQ
1206J1K20121JCT Image
  • Part#:1206J1K20121JCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 120PF 1.2KV C0G/NP0 1206
  • In Stock:206681
$0.111/pcsRFQ
1210J6300122JCT Image
  • Part#:1210J6300122JCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1200PF 630V C0G/NP0 1210
  • In Stock:118738
$0.164/pcsRFQ
1812Y1K00221JER Image
  • Part#:1812Y1K00221JER
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 220PF 1KV X7R 1812
  • In Stock:69867
$0.544/pcsRFQ
0805Y3001P10CQT Image
  • Part#:0805Y3001P10CQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1.1PF 300V C0G/NP0 0805
  • In Stock:140357
$0.149/pcsRFQ
1808Y1000181KCR Image
  • Part#:1808Y1000181KCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 180PF 100V C0G/NP0 1808
  • In Stock:186111
$0.117/pcsRFQ
1206Y1K20561JXR Image
  • Part#:1206Y1K20561JXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 560PF 1.2KV X7R 1206
  • In Stock:146590
$0.135/pcsRFQ
2220Y0250562GFR Image
  • Part#:2220Y0250562GFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 5600PF 25V C0G/NP0 2220
  • In Stock:15633
$2.018/pcsRFQ
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