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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

1812Y0500824JXR Image
  • Part#:1812Y0500824JXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.82UF 50V X7R 1812
  • In Stock:68427
$0.546/pcsRFQ
1825J5000394JXR Image
  • Part#:1825J5000394JXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.39UF 500V X7R 1825
  • In Stock:31389
$1.185/pcsRFQ
1210J0250151JFR Image
  • Part#:1210J0250151JFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 150PF 25V C0G/NP0 1210
  • In Stock:98673
$0.241/pcsRFQ
1808Y1K20392KXT Image
  • Part#:1808Y1K20392KXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3900PF 1.2KV X7R 1808
  • In Stock:128299
$0.183/pcsRFQ
1812YA250680JCTSY2 Image
  • Part#:1812YA250680JCTSY2
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 68PF 250V C0G/NP0 1812
  • In Stock:83689
$0.362/pcsRFQ
1808J1K00102FFT Image
  • Part#:1808J1K00102FFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1000PF 1KV C0G/NP0 1808
  • In Stock:34072
$0.91/pcsRFQ
1812Y0250562MDR Image
  • Part#:1812Y0250562MDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 5600PF 25V X7R 1812
  • In Stock:78517
$0.389/pcsRFQ
2220Y2000472KFT Image
  • Part#:2220Y2000472KFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 4700PF 200V C0G/NP0 2220
  • In Stock:26903
$1.193/pcsRFQ
2225J0250180KFT Image
  • Part#:2225J0250180KFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 18PF 25V C0G/NP0 2225
  • In Stock:27409
$1.308/pcsRFQ
1808Y0100122JCT Image
  • Part#:1808Y0100122JCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1200PF 10V C0G/NP0 1808
  • In Stock:184311
$0.126/pcsRFQ
1206Y2500120GFR Image
  • Part#:1206Y2500120GFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 12PF 250V C0G/NP0 1206
  • In Stock:93836
$0.217/pcsRFQ
1206Y5000390JFR Image
  • Part#:1206Y5000390JFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 39PF 500V C0G/NP0 1206
  • In Stock:155632
$0.124/pcsRFQ
1812J1K00332MDT Image
  • Part#:1812J1K00332MDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3300PF 1KV X7R 1812
  • In Stock:105318
$0.371/pcsRFQ
  • Part#:1206Y5000821KCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1206
  • In Stock:288551
$0.084/pcsRFQ
2220J0630102FFR Image
  • Part#:2220J0630102FFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1000PF 63V C0G/NP0 2220
  • In Stock:9398
$3.57/pcsRFQ
1812J0630823MDT Image
  • Part#:1812J0630823MDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.082UF 63V X7R 1812
  • In Stock:90405
$0.376/pcsRFQ
2225Y2000562KFT Image
  • Part#:2225Y2000562KFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 5600PF 200V C0G/NP0 2225
  • In Stock:19328
$1.684/pcsRFQ
1808Y5000220FCR Image
  • Part#:1808Y5000220FCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 22PF 500V C0G/NP0 1808
  • In Stock:82781
$0.382/pcsRFQ
1210J1000392JCR Image
  • Part#:1210J1000392JCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3900PF 100V C0G/NP0 1210
  • In Stock:101468
$0.188/pcsRFQ
1808J0500562GCR Image
  • Part#:1808J0500562GCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 5600PF 50V C0G/NP0 1808
  • In Stock:95824
$0.201/pcsRFQ
1808Y0500332JCR Image
  • Part#:1808Y0500332JCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3300PF 50V C0G/NP0 1808
  • In Stock:180098
$0.124/pcsRFQ
0603Y1000391KET Image
  • Part#:0603Y1000391KET
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 390PF 100V X7R 0603
  • In Stock:373212
$0.064/pcsRFQ
2220Y6K00220GCR Image
  • Part#:2220Y6K00220GCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 22PF 6KV C0G/NP0 2220
  • In Stock:52912
$0.576/pcsRFQ
2225Y6300121GCR Image
  • Part#:2225Y6300121GCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 120PF 630V C0G/NP0 2225
  • In Stock:21378
$1.454/pcsRFQ
2225Y1K20470JCR Image
  • Part#:2225Y1K20470JCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 47PF 1.2KV C0G/NP0 2225
  • In Stock:42864
$0.825/pcsRFQ
1206Y1K00821JXR Image
  • Part#:1206Y1K00821JXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 820PF 1KV X7R 1206
  • In Stock:218455
$0.096/pcsRFQ
2225Y0160153JFR Image
  • Part#:2225Y0160153JFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.015UF 16V C0G/NP0 2225
  • In Stock:20058
$1.584/pcsRFQ
0805J1000122GFR Image
  • Part#:0805J1000122GFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1200PF 100V C0G/NP0 0805
  • In Stock:98320
$0.225/pcsRFQ
1808J5K00560JCT Image
  • Part#:1808J5K00560JCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 56PF 5KV C0G/NP0 1808
  • In Stock:125584
$0.177/pcsRFQ
1206J0503P90BCT Image
  • Part#:1206J0503P90BCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3.9PF 50V C0G/NP0 1206
  • In Stock:93847
$0.256/pcsRFQ
1210Y0160153JXT Image
  • Part#:1210Y0160153JXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.015UF 16V X7R 1210
  • In Stock:122261
$0.19/pcsRFQ
1812Y5000104MXT Image
  • Part#:1812Y5000104MXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.1UF 500V X7R 1812
  • In Stock:66265
$0.325/pcsRFQ
2225Y0500151FFR Image
  • Part#:2225Y0500151FFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 150PF 50V C0G/NP0 2225
  • In Stock:7382
$4.613/pcsRFQ
1825J2K00680KCR Image
  • Part#:1825J2K00680KCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 68PF 2KV C0G/NP0 1825
  • In Stock:66387
$0.551/pcsRFQ
1812J2K50220GCT Image
  • Part#:1812J2K50220GCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 22PF 2.5KV C0G/NP0 1812
  • In Stock:77720
$0.437/pcsRFQ
1825J0500823GCT Image
  • Part#:1825J0500823GCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.082UF 50V C0G/NP0 1825
  • In Stock:16315
$2.279/pcsRFQ
0805J1500120FQT Image
  • Part#:0805J1500120FQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 12PF 150V C0G/NP0 0805
  • In Stock:63506
$0.537/pcsRFQ
1210J0160123JXR Image
  • Part#:1210J0160123JXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.012UF 16V X7R 1210
  • In Stock:139809
$0.172/pcsRFQ
1210J1K00180JFR Image
  • Part#:1210J1K00180JFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 18PF 1KV C0G/NP0 1210
  • In Stock:108300
$0.182/pcsRFQ
0505Y0500130FQT Image
  • Part#:0505Y0500130FQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 13PF 50V C0G/NP0 0505
  • In Stock:38227
$1.013/pcsRFQ
1206Y1K00360KQT Image
  • Part#:1206Y1K00360KQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 36PF 1KV C0G/NP0 1206
  • In Stock:116504
$0.201/pcsRFQ
1808J5K00270JCR Image
  • Part#:1808J5K00270JCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 27PF 5KV C0G/NP0 1808
  • In Stock:153641
$0.156/pcsRFQ
1206J6300470GQT Image
  • Part#:1206J6300470GQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 47PF 630V C0G/NP0 1206
  • In Stock:83317
$0.277/pcsRFQ
1812J0500101FFT Image
  • Part#:1812J0500101FFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 100PF 50V C0G/NP0 1812
  • In Stock:25058
$1.386/pcsRFQ
0603J0160123MXR Image
  • Part#:0603J0160123MXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.012UF 16V X7R 0603
  • In Stock:552920
$0.043/pcsRFQ
2225Y0250124FCT Image
  • Part#:2225Y0250124FCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.12UF 25V C0G/NP0 2225
  • In Stock:5770
$5.702/pcsRFQ
1210J2000274MXR Image
  • Part#:1210J2000274MXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.27UF 200V X7R 1210
  • In Stock:76928
$0.286/pcsRFQ
1812Y0500473KDT Image
  • Part#:1812Y0500473KDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.047UF 50V X7R 1812
  • In Stock:83698
$0.426/pcsRFQ
1206J1001P50DCR Image
  • Part#:1206J1001P50DCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1.5PF 100V C0G/NP0 1206
  • In Stock:274376
$0.078/pcsRFQ
0603J0500391FFT Image
  • Part#:0603J0500391FFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 390PF 50V C0G/NP0 0603
  • In Stock:70157
$0.282/pcsRFQ
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