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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

1812J0250221KCT Image
  • Part#:1812J0250221KCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 220PF 25V C0G/NP0 1812
  • In Stock:88141
$0.265/pcsRFQ
1808Y0500152JFR Image
  • Part#:1808Y0500152JFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1500PF 50V C0G/NP0 1808
  • In Stock:114998
$0.175/pcsRFQ
2220J1000102JCR Image
  • Part#:2220J1000102JCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1000PF 100V C0G/NP0 2220
  • In Stock:56590
$0.662/pcsRFQ
0805Y0500360KQT Image
  • Part#:0805Y0500360KQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 36PF 50V C0G/NP0 0805
  • In Stock:140076
$0.161/pcsRFQ
2220J2500224KXR Image
  • Part#:2220J2500224KXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.22UF 250V X7R 2220
  • In Stock:57761
$0.684/pcsRFQ
0805J0502P70DFR Image
  • Part#:0805J0502P70DFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2.7PF 50V C0G/NP0 0805
  • In Stock:268166
$0.079/pcsRFQ
1812Y1000220GFR Image
  • Part#:1812Y1000220GFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 22PF 100V C0G/NP0 1812
  • In Stock:40183
$0.754/pcsRFQ
1206Y5000100GCT Image
  • Part#:1206Y5000100GCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 10PF 500V C0G/NP0 1206
  • In Stock:161865
$0.145/pcsRFQ
1210Y0630822KET Image
  • Part#:1210Y0630822KET
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 8200PF 63V X7R 1210
  • In Stock:98590
$0.228/pcsRFQ
1812J1K00180JCR Image
  • Part#:1812J1K00180JCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 18PF 1KV C0G/NP0 1812
  • In Stock:77790
$0.256/pcsRFQ
1812Y6K00680JCR Image
  • Part#:1812Y6K00680JCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 68PF 6KV C0G/NP0 1812
  • In Stock:83410
$0.259/pcsRFQ
1210J0250472JCR Image
  • Part#:1210J0250472JCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 4700PF 25V C0G/NP0 1210
  • In Stock:116332
$0.176/pcsRFQ
1825J6300330KCR Image
  • Part#:1825J6300330KCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 33PF 630V C0G/NP0 1825
  • In Stock:65077
$0.554/pcsRFQ
1808Y5000101KXR Image
  • Part#:1808Y5000101KXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 100PF 500V X7R 1808
  • In Stock:147988
$0.149/pcsRFQ
1111Y200P400BQT Image
  • Part#:1111Y200P400BQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.4PF 200V C0G/NP0 1111
  • In Stock:87632
$0.269/pcsRFQ
2225J3K00821KCT Image
  • Part#:2225J3K00821KCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 820PF 3KV C0G/NP0 2225
  • In Stock:26675
$1.177/pcsRFQ
1812YA250121FCRPY2 Image
  • Part#:1812YA250121FCRPY2
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 120PF 250V C0G/NP0 1812
  • In Stock:23716
$1.604/pcsRFQ
1812J0100472JCR Image
  • Part#:1812J0100472JCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 4700PF 10V C0G/NP0 1812
  • In Stock:71013
$0.266/pcsRFQ
2225Y0630824KXT Image
  • Part#:2225Y0630824KXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.82UF 63V X7R 2225
  • In Stock:36620
$0.949/pcsRFQ
1210Y6300122JAR Image
  • Part#:1210Y6300122JAR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1200PF 630V C0G/NP0 1210
  • In Stock:92163
$0.24/pcsRFQ
  • Part#:2220Y1K20561JCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2220
  • In Stock:74360
$0.493/pcsRFQ
2220J0160104JXR Image
  • Part#:2220J0160104JXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.1UF 16V X7R 2220
  • In Stock:53612
$0.738/pcsRFQ
1812Y0250331KFT Image
  • Part#:1812Y0250331KFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 330PF 25V C0G/NP0 1812
  • In Stock:82803
$0.43/pcsRFQ
1111J2000201GQT Image
  • Part#:1111J2000201GQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 200PF 200V C0G/NP0 1111
  • In Stock:46023
$0.722/pcsRFQ
1210Y0250334KDT Image
  • Part#:1210Y0250334KDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.33UF 25V X7R 1210
  • In Stock:73827
$0.301/pcsRFQ
1206Y2500121JCR Image
  • Part#:1206Y2500121JCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 120PF 250V C0G/NP0 1206
  • In Stock:204887
$0.096/pcsRFQ
1210J0630562JCT Image
  • Part#:1210J0630562JCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 5600PF 63V C0G/NP0 1210
  • In Stock:101034
$0.207/pcsRFQ
1206J0250271KXT Image
  • Part#:1206J0250271KXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 270PF 25V X7R 1206
  • In Stock:260063
$0.087/pcsRFQ
0603J0502P70DCR Image
  • Part#:0603J0502P70DCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2.7PF 50V C0G/NP0 0603
  • In Stock:454752
$0.048/pcsRFQ
1808J0160103KCR Image
  • Part#:1808J0160103KCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 10000PF 16V C0G/NP0 1808
  • In Stock:158536
$0.149/pcsRFQ
2220J2K50391MXR Image
  • Part#:2220J2K50391MXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 390PF 2.5KV X7R 2220
  • In Stock:76644
$0.397/pcsRFQ
0603J0500183KDT Image
  • Part#:0603J0500183KDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.018UF 50V X7R 0603
  • In Stock:275117
$0.075/pcsRFQ
1206J2K00820JCR Image
  • Part#:1206J2K00820JCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 82PF 2KV C0G/NP0 1206
  • In Stock:199624
$0.112/pcsRFQ
1206J1000181KDR Image
  • Part#:1206J1000181KDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 180PF 100V X7R 1206
  • In Stock:184162
$0.108/pcsRFQ
1808JA250151KCRPY2 Image
  • Part#:1808JA250151KCRPY2
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 150PF 250V C0G/NP0 1808
  • In Stock:80448
$0.291/pcsRFQ
1825Y5000561MXR Image
  • Part#:1825Y5000561MXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 560PF 500V X7R 1825
  • In Stock:69542
$0.547/pcsRFQ
1111Y1506P20BQT Image
  • Part#:1111Y1506P20BQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 6.2PF 150V C0G/NP0 1111
  • In Stock:52241
$0.599/pcsRFQ
1808J0630332MDT Image
  • Part#:1808J0630332MDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3300PF 63V X7R 1808
  • In Stock:101486
$0.197/pcsRFQ
2220J2K00221GCR Image
  • Part#:2220J2K00221GCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 220PF 2KV C0G/NP0 2220
  • In Stock:39294
$0.923/pcsRFQ
2225J5000390KCT Image
  • Part#:2225J5000390KCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 39PF 500V C0G/NP0 2225
  • In Stock:55753
$0.679/pcsRFQ
2225J4K00331JCT Image
  • Part#:2225J4K00331JCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 330PF 4KV C0G/NP0 2225
  • In Stock:86994
$0.416/pcsRFQ
1812J0100220KCR Image
  • Part#:1812J0100220KCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 22PF 10V C0G/NP0 1812
  • In Stock:81182
$0.243/pcsRFQ
1808J3K00181JCT Image
  • Part#:1808J3K00181JCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 180PF 3KV C0G/NP0 1808
  • In Stock:75059
$0.26/pcsRFQ
1206J0630121MDT Image
  • Part#:1206J0630121MDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 120PF 63V X7R 1206
  • In Stock:207322
$0.108/pcsRFQ
2225J1K00182KXR Image
  • Part#:2225J1K00182KXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1800PF 1KV X7R 2225
  • In Stock:59124
$0.585/pcsRFQ
0805Y2005P60BFT Image
  • Part#:0805Y2005P60BFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 5.6PF 200V C0G/NP0 0805
  • In Stock:67812
$0.279/pcsRFQ
0603J0630103MXT Image
  • Part#:0603J0630103MXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 10000PF 63V X7R 0603
  • In Stock:413068
$0.048/pcsRFQ
1812J0630120KCR Image
  • Part#:1812J0630120KCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 12PF 63V C0G/NP0 1812
  • In Stock:71871
$0.277/pcsRFQ
2225J1K20331GCR Image
  • Part#:2225J1K20331GCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 330PF 1.2KV C0G/NP0 2225
  • In Stock:28199
$1.339/pcsRFQ
1812J2500220GCT Image
  • Part#:1812J2500220GCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 22PF 250V C0G/NP0 1812
  • In Stock:77858
$0.466/pcsRFQ
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