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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

1206Y0100100GCT Image
  • Part#:1206Y0100100GCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 10PF 10V C0G/NP0 1206
  • In Stock:137470
$0.148/pcsRFQ
1808Y2K50681KXR Image
  • Part#:1808Y2K50681KXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 680PF 2.5KV X7R 1808
  • In Stock:142155
$0.139/pcsRFQ
1812YA250100GCRPY2 Image
  • Part#:1812YA250100GCRPY2
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 10PF 250V C0G/NP0 1812
  • In Stock:43046
$0.709/pcsRFQ
2225J1K50271GCT Image
  • Part#:2225J1K50271GCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 270PF 1.5KV C0G/NP0 2225
  • In Stock:24034
$1.337/pcsRFQ
2220Y0100334KXT Image
  • Part#:2220Y0100334KXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.33UF 10V X7R 2220
  • In Stock:43652
$0.746/pcsRFQ
1812Y1K00151MXT Image
  • Part#:1812Y1K00151MXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 150PF 1KV X7R 1812
  • In Stock:69290
$0.293/pcsRFQ
1210J2508P20DFR Image
  • Part#:1210J2508P20DFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 8.2PF 250V C0G/NP0 1210
  • In Stock:83780
$0.251/pcsRFQ
1812J0250332GFR Image
  • Part#:1812J0250332GFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3300PF 25V C0G/NP0 1812
  • In Stock:44900
$0.708/pcsRFQ
1210J5000150JCT Image
  • Part#:1210J5000150JCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 15PF 500V C0G/NP0 1210
  • In Stock:168984
$0.122/pcsRFQ
0805J0630151KCR Image
  • Part#:0805J0630151KCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 150PF 63V C0G/NP0 0805
  • In Stock:377171
$0.052/pcsRFQ
1210J5000821GCR Image
  • Part#:1210J5000821GCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 820PF 500V C0G/NP0 1210
  • In Stock:90452
$0.226/pcsRFQ
1206J1K20181GCT Image
  • Part#:1206J1K20181GCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 180PF 1.2KV C0G/NP0 1206
  • In Stock:114528
$0.198/pcsRFQ
2220Y3K00471MXT Image
  • Part#:2220Y3K00471MXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 470PF 3KV X7R 2220
  • In Stock:57286
$0.534/pcsRFQ
1206Y0250471KCT Image
  • Part#:1206Y0250471KCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 470PF 25V C0G/NP0 1206
  • In Stock:224571
$0.095/pcsRFQ
0603J5004P70DCT Image
  • Part#:0603J5004P70DCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 4.7PF 500V C0G/NP0 0603
  • In Stock:467938
$0.05/pcsRFQ
1808J2500392KFR Image
  • Part#:1808J2500392KFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3900PF 250V C0G/NP0 1808
  • In Stock:71166
$0.321/pcsRFQ
2225J0630223KFR Image
  • Part#:2225J0630223KFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.022UF 63V C0G/NP0 2225
  • In Stock:22949
$1.602/pcsRFQ
1808J2000472JFR Image
  • Part#:1808J2000472JFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 4700PF 200V C0G/NP0 1808
  • In Stock:88221
$0.388/pcsRFQ
1210Y0160121GFT Image
  • Part#:1210Y0160121GFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 120PF 16V C0G/NP0 1210
  • In Stock:83373
$0.456/pcsRFQ
1812Y5000471MDT Image
  • Part#:1812Y5000471MDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 470PF 500V X7R 1812
  • In Stock:83024
$0.403/pcsRFQ
2220J1K00121JFT Image
  • Part#:2220J1K00121JFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 120PF 1KV C0G/NP0 2220
  • In Stock:52974
$0.696/pcsRFQ
1206Y2K03P90BCR Image
  • Part#:1206Y2K03P90BCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3.9PF 2KV C0G/NP0 1206
  • In Stock:77673
$0.297/pcsRFQ
2225Y5000330JFT Image
  • Part#:2225Y5000330JFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 33PF 500V C0G/NP0 2225
  • In Stock:32345
$1.173/pcsRFQ
1808Y1K50681KCT Image
  • Part#:1808Y1K50681KCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 680PF 1.5KV C0G/NP0 1808
  • In Stock:75977
$0.285/pcsRFQ
0603J0633P30HQT Image
  • Part#:0603J0633P30HQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3.3PF 63V C0G/NP0 0603
  • In Stock:76211
$0.273/pcsRFQ
1825J2K50682JXT Image
  • Part#:1825J2K50682JXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 6800PF 2.5KV X7R 1825
  • In Stock:33336
$0.893/pcsRFQ
1812J5000271KAT Image
  • Part#:1812J5000271KAT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 270PF 500V C0G/NP0 1812
  • In Stock:93253
$0.378/pcsRFQ
1206J1000182JFT Image
  • Part#:1206J1000182JFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1800PF 100V C0G/NP0 1206
  • In Stock:145866
$0.162/pcsRFQ
1808J2K00272MXR Image
  • Part#:1808J2K00272MXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2700PF 2KV X7R 1808
  • In Stock:123150
$0.166/pcsRFQ
1206J0630472JCR Image
  • Part#:1206J0630472JCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 4700PF 63V C0G/NP0 1206
  • In Stock:188131
$0.117/pcsRFQ
1825Y1K50681FCT Image
  • Part#:1825Y1K50681FCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 680PF 1.5KV C0G/NP0 1825
  • In Stock:13386
$2.414/pcsRFQ
1206J2K00391KXR Image
  • Part#:1206J2K00391KXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 390PF 2KV X7R 1206
  • In Stock:259427
$0.08/pcsRFQ
0603Y1002P70DCR Image
  • Part#:0603Y1002P70DCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2.7PF 100V C0G/NP0 0603
  • In Stock:379343
$0.05/pcsRFQ
1825Y1K00222GCR Image
  • Part#:1825Y1K00222GCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2200PF 1KV C0G/NP0 1825
  • In Stock:32182
$1.199/pcsRFQ
0805J1000152FFT Image
  • Part#:0805J1000152FFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1500PF 100V C0G/NP0 0805
  • In Stock:78846
$0.471/pcsRFQ
0805J0250181JXR Image
  • Part#:0805J0250181JXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 180PF 25V X7R 0805
  • In Stock:335870
$0.059/pcsRFQ
0505Y3003P30DQT Image
  • Part#:0505Y3003P30DQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3.3PF 300V C0G/NP0 0505
  • In Stock:121735
$0.185/pcsRFQ
1825J2000683KXT Image
  • Part#:1825J2000683KXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.068UF 200V X7R 1825
  • In Stock:47859
$0.708/pcsRFQ
1812Y4K00121JCR Image
  • Part#:1812Y4K00121JCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 120PF 4KV C0G/NP0 1812
  • In Stock:81238
$0.267/pcsRFQ
2225Y0250683JXT Image
  • Part#:2225Y0250683JXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.068UF 25V X7R 2225
  • In Stock:33576
$0.922/pcsRFQ
1825Y1K50181GCR Image
  • Part#:1825Y1K50181GCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 180PF 1.5KV C0G/NP0 1825
  • In Stock:37318
$1.061/pcsRFQ
1825J0160560KCR Image
  • Part#:1825J0160560KCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 56PF 16V C0G/NP0 1825
  • In Stock:41680
$0.745/pcsRFQ
1812Y0100120KCT Image
  • Part#:1812Y0100120KCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 12PF 10V C0G/NP0 1812
  • In Stock:54653
$0.352/pcsRFQ
1206J630P900CQT Image
  • Part#:1206J630P900CQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.9PF 630V C0G/NP0 1206
  • In Stock:139592
$0.17/pcsRFQ
2220Y0500103GCR Image
  • Part#:2220Y0500103GCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 10000PF 50V C0G/NP0 2220
  • In Stock:21673
$1.415/pcsRFQ
2225Y0630225MDR Image
  • Part#:2225Y0630225MDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2.2UF 63V X7R 2225
  • In Stock:25188
$1.571/pcsRFQ
1808J2K50220FCR Image
  • Part#:1808J2K50220FCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 22PF 2.5KV C0G/NP0 1808
  • In Stock:104794
$0.362/pcsRFQ
1808J1K00681KXT Image
  • Part#:1808J1K00681KXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 680PF 1KV X7R 1808
  • In Stock:125873
$0.156/pcsRFQ
2220Y1000273JFR Image
  • Part#:2220Y1000273JFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.027UF 100V C0G 2220
  • In Stock:20958
$1.57/pcsRFQ
1812Y1K00103KJT Image
  • Part#:1812Y1K00103KJT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 10000PF 1KV X7R 1812
  • In Stock:98059
$0.362/pcsRFQ
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