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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

0805Y5000122KDT Image
  • Part#:0805Y5000122KDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1200PF 500V X7R 0805
  • In Stock:267742
$0.083/pcsRFQ
2220Y0250225KDR Image
  • Part#:2220Y0250225KDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2.2UF 25V X7R 2220
  • In Stock:23759
$1.609/pcsRFQ
0805J0160392KDT Image
  • Part#:0805J0160392KDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3900PF 16V X7R 0805
  • In Stock:301869
$0.08/pcsRFQ
1210J0630682MDT Image
  • Part#:1210J0630682MDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 6800PF 63V X7R 1210
  • In Stock:109354
$0.208/pcsRFQ
2225J2K00561JXT Image
  • Part#:2225J2K00561JXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 560PF 2KV X7R 2225
  • In Stock:41039
$0.796/pcsRFQ
1111Y1500560GQT Image
  • Part#:1111Y1500560GQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 56PF 150V C0G/NP0 1111
  • In Stock:66070
$0.516/pcsRFQ
2225Y0500683KFR Image
  • Part#:2225Y0500683KFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.068UF 50V C0G/NP0 2225
  • In Stock:15565
$2.212/pcsRFQ
1206Y2001P40BQT Image
  • Part#:1206Y2001P40BQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1.4PF 200V C0G/NP0 1206
  • In Stock:131576
$0.179/pcsRFQ
1808Y6K00330KCR Image
  • Part#:1808Y6K00330KCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 33PF 6KV C0G/NP0 1808
  • In Stock:130233
$0.162/pcsRFQ
1210Y0500272MER Image
  • Part#:1210Y0500272MER
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2700PF 50V X7R 1210
  • In Stock:105746
$0.203/pcsRFQ
1825Y3K00332MXR Image
  • Part#:1825Y3K00332MXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3300PF 3KV X7R 1825
  • In Stock:57727
$0.565/pcsRFQ
2220Y5000181JCR Image
  • Part#:2220Y5000181JCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 180PF 500V C0G/NP0 2220
  • In Stock:70882
$0.554/pcsRFQ
1210Y0500123FFT Image
  • Part#:1210Y0500123FFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.012UF 50V C0G/NP0 1210
  • In Stock:24757
$1.329/pcsRFQ
  • Part#:0603J063P820CCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0603
  • In Stock:325421
$0.058/pcsRFQ
1210J1000474KXT Image
  • Part#:1210J1000474KXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.47UF 100V X7R 1210
  • In Stock:67203
$0.296/pcsRFQ
2225Y2000152JFT Image
  • Part#:2225Y2000152JFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1500PF 200V C0G/NP0 2225
  • In Stock:19945
$1.682/pcsRFQ
2220J4K00181KCT Image
  • Part#:2220J4K00181KCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 180PF 4KV C0G/NP0 2220
  • In Stock:65645
$0.339/pcsRFQ
1812J5000220FCT Image
  • Part#:1812J5000220FCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 22PF 500V C0G/NP0 1812
  • In Stock:46478
$0.838/pcsRFQ
1210Y0250330KCT Image
  • Part#:1210Y0250330KCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 33PF 25V C0G/NP0 1210
  • In Stock:117929
$0.168/pcsRFQ
0505Y0501P20HQT Image
  • Part#:0505Y0501P20HQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1.2PF 50V C0G/NP0 0505
  • In Stock:73425
$0.277/pcsRFQ
1812Y2000272JFT Image
  • Part#:1812Y2000272JFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2700PF 200V C0G/NP0 1812
  • In Stock:56841
$0.581/pcsRFQ
2225J0500122KFR Image
  • Part#:2225J0500122KFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1200PF 50V C0G/NP0 2225
  • In Stock:25750
$1.191/pcsRFQ
1825Y5000272JXR Image
  • Part#:1825Y5000272JXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2700PF 500V X7R 1825
  • In Stock:51429
$0.744/pcsRFQ
2225Y2500182JFT Image
  • Part#:2225Y2500182JFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1800PF 250V C0G/NP0 2225
  • In Stock:18960
$1.657/pcsRFQ
1210J2500472KCT Image
  • Part#:1210J2500472KCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 4700PF 250V C0G/NP0 1210
  • In Stock:78177
$0.246/pcsRFQ
1825J0500330GCT Image
  • Part#:1825J0500330GCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 33PF 50V C0G/NP0 1825
  • In Stock:26525
$1.429/pcsRFQ
1111J2000271FQT Image
  • Part#:1111J2000271FQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 270PF 200V C0G/NP0 1111
  • In Stock:27837
$1.412/pcsRFQ
1210Y0630332KAR Image
  • Part#:1210Y0630332KAR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3300PF 63V C0G/NP0 1210
  • In Stock:91111
$0.263/pcsRFQ
1206J1K00331KCT Image
  • Part#:1206J1K00331KCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 330PF 1KV C0G/NP0 1206
  • In Stock:217520
$0.096/pcsRFQ
2225J2000391JFT Image
  • Part#:2225J2000391JFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 390PF 200V C0G/NP0 2225
  • In Stock:28908
$1.277/pcsRFQ
1812Y0100473MXR Image
  • Part#:1812Y0100473MXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.047UF 10V X7R 1812
  • In Stock:80875
$0.271/pcsRFQ
1210Y1K00100GCT Image
  • Part#:1210Y1K00100GCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 10PF 1KV C0G/NP0 1210
  • In Stock:87945
$0.233/pcsRFQ
1210Y1K00561JXT Image
  • Part#:1210Y1K00561JXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 560PF 1KV X7R 1210
  • In Stock:125388
$0.161/pcsRFQ
1808Y0500181KCR Image
  • Part#:1808Y0500181KCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 180PF 50V C0G/NP0 1808
  • In Stock:178147
$0.113/pcsRFQ
1206Y1K50181KCR Image
  • Part#:1206Y1K50181KCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 180PF 1.5KV C0G/NP0 1206
  • In Stock:174350
$0.132/pcsRFQ
2225Y6300560KCR Image
  • Part#:2225Y6300560KCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 56PF 630V C0G/NP0 2225
  • In Stock:41667
$0.785/pcsRFQ
  • Part#:0805J2000100GFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 10PF 200V C0G/NP0 0805
  • In Stock:159515
$0.119/pcsRFQ
0805J0250562MDR Image
  • Part#:0805J0250562MDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 5600PF 25V X7R 0805
  • In Stock:286428
$0.077/pcsRFQ
0603J0160104JDR Image
  • Part#:0603J0160104JDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.1UF 16V X7R 0603
  • In Stock:193262
$0.103/pcsRFQ
1812J0500123MDR Image
  • Part#:1812J0500123MDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.012UF 50V X7R 1812
  • In Stock:57072
$0.349/pcsRFQ
1206Y0250820JCT Image
  • Part#:1206Y0250820JCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 82PF 25V C0G/NP0 1206
  • In Stock:260150
$0.085/pcsRFQ
0603J0250221JXR Image
  • Part#:0603J0250221JXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 220PF 25V X7R 0603
  • In Stock:394241
$0.052/pcsRFQ
1210J2K04P70BCR Image
  • Part#:1210J2K04P70BCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 4.7PF 2KV C0G/NP0 1210
  • In Stock:74421
$0.447/pcsRFQ
1808Y0500221MDT Image
  • Part#:1808Y0500221MDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 220PF 50V X7R 1808
  • In Stock:113329
$0.205/pcsRFQ
1210Y2500332KXT Image
  • Part#:1210Y2500332KXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3300PF 250V X7R 1210
  • In Stock:121926
$0.16/pcsRFQ
2225J2000470GFR Image
  • Part#:2225J2000470GFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 47PF 200V C0G/NP0 2225
  • In Stock:13735
$2.312/pcsRFQ
0603Y0160682MXR Image
  • Part#:0603Y0160682MXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 6800PF 16V X7R 0603
  • In Stock:418027
$0.047/pcsRFQ
1210Y1K00120FCR Image
  • Part#:1210Y1K00120FCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 12PF 1KV C0G/NP0 1210
  • In Stock:93426
$0.417/pcsRFQ
1206J0500681FCT Image
  • Part#:1206J0500681FCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 680PF 50V C0G/NP0 1206
  • In Stock:64708
$0.31/pcsRFQ
2225J5000330JCR Image
  • Part#:2225J5000330JCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 33PF 500V C0G/NP0 2225
  • In Stock:48690
$0.679/pcsRFQ
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