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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

1210Y1K20180JCR Image
  • Part#:1210Y1K20180JCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 18PF 1.2KV C0G/NP0 1210
  • In Stock:142451
$0.139/pcsRFQ
1210J1000391FFR Image
  • Part#:1210J1000391FFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 390PF 100V C0G/NP0 1210
  • In Stock:41461
$0.82/pcsRFQ
0805Y3000200FQT Image
  • Part#:0805Y3000200FQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 20PF 300V C0G/NP0 0805
  • In Stock:61864
$0.508/pcsRFQ
2225Y6300393JXT Image
  • Part#:2225Y6300393JXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.039UF 630V X7R 2225
  • In Stock:34341
$1.027/pcsRFQ
1206J0162P70BFT Image
  • Part#:1206J0162P70BFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2.7PF 16V C0G/NP0 1206
  • In Stock:97374
$0.367/pcsRFQ
1812J1K00120GFR Image
  • Part#:1812J1K00120GFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 12PF 1KV C0G/NP0 1812
  • In Stock:50734
$0.637/pcsRFQ
1210Y1000561FAT Image
  • Part#:1210Y1000561FAT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 560PF 100V C0G/NP0 1210
  • In Stock:34685
$0.891/pcsRFQ
0603Y1000151FCR Image
  • Part#:0603Y1000151FCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 150PF 100V C0G/NP0 0603
  • In Stock:119246
$0.183/pcsRFQ
1808Y4K00681MXR Image
  • Part#:1808Y4K00681MXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 680PF 4KV X7R 1808
  • In Stock:114791
$0.188/pcsRFQ
1812J0500123FFT Image
  • Part#:1812J0500123FFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.012UF 50V C0G/NP0 1812
  • In Stock:18256
$1.774/pcsRFQ
2225Y5000562KDR Image
  • Part#:2225Y5000562KDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 5600PF 500V X7R 2225
  • In Stock:40930
$0.942/pcsRFQ
1210Y2000102GAR Image
  • Part#:1210Y2000102GAR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1000PF 200V C0G/NP0 1210
  • In Stock:70291
$0.507/pcsRFQ
2220Y1000682GCR Image
  • Part#:2220Y1000682GCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 6800PF 100V C0G/NP0 2220
  • In Stock:22652
$1.315/pcsRFQ
1812Y0500221GAR Image
  • Part#:1812Y0500221GAR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 220PF 50V C0G/NP0 1812
  • In Stock:50923
$0.743/pcsRFQ
1825Y1000150GCT Image
  • Part#:1825Y1000150GCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 15PF 100V C0G/NP0 1825
  • In Stock:23834
$1.599/pcsRFQ
0603J0502P40HQT Image
  • Part#:0603J0502P40HQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2.4PF 50V C0G/NP0 0603
  • In Stock:96877
$0.218/pcsRFQ
1808YA258P20DCRSPU Image
  • Part#:1808YA258P20DCRSPU
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 8.2PF 250V C0G/NP0 1808
  • In Stock:89082
$0.269/pcsRFQ
1825J2K50471KXR Image
  • Part#:1825J2K50471KXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 470PF 2.5KV X7R 1825
  • In Stock:63968
$0.514/pcsRFQ
1206J6303P30DCR Image
  • Part#:1206J6303P30DCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3.3PF 630V C0G/NP0 1206
  • In Stock:307724
$0.078/pcsRFQ
1206J2500222GCR Image
  • Part#:1206J2500222GCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2200PF 250V C0G/NP0 1206
  • In Stock:90878
$0.221/pcsRFQ
0805J6300120FCR Image
  • Part#:0805J6300120FCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 12PF 630V C0G/NP0 0805
  • In Stock:124933
$0.176/pcsRFQ
0805Y0160391KXR Image
  • Part#:0805Y0160391KXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 390PF 16V X7R 0805
  • In Stock:468231
$0.049/pcsRFQ
1206J2000222FAR Image
  • Part#:1206J2000222FAR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2200PF 200V C0G/NP0 1206
  • In Stock:59718
$0.644/pcsRFQ
1812J3K00122MXT Image
  • Part#:1812J3K00122MXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1200PF 3KV X7R 1812
  • In Stock:82142
$0.263/pcsRFQ
2220J0500182JCR Image
  • Part#:2220J0500182JCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1800PF 50V C0G/NP0 2220
  • In Stock:57935
$0.667/pcsRFQ
1812J0630822FAR Image
  • Part#:1812J0630822FAR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 8200PF 63V C0G/NP0 1812
  • In Stock:22994
$1.572/pcsRFQ
0603Y5002P20CCT Image
  • Part#:0603Y5002P20CCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2.2PF 500V C0G/NP0 0603
  • In Stock:277527
$0.076/pcsRFQ
0603J0630221FFT Image
  • Part#:0603J0630221FFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 220PF 63V C0G/NP0 0603
  • In Stock:88652
$0.269/pcsRFQ
0603Y0500471FAR Image
  • Part#:0603Y0500471FAR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 470PF 50V C0G/NP0 0603
  • In Stock:79070
$0.292/pcsRFQ
0805J0250681GCT Image
  • Part#:0805J0250681GCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 680PF 25V C0G/NP0 0805
  • In Stock:197074
$0.108/pcsRFQ
1210Y2000221GAR Image
  • Part#:1210Y2000221GAR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 220PF 200V C0G/NP0 1210
  • In Stock:74650
$0.465/pcsRFQ
1808Y0250393MDR Image
  • Part#:1808Y0250393MDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.039UF 25V X7R 1808
  • In Stock:123096
$0.19/pcsRFQ
0805Y2000121JUT Image
  • Part#:0805Y2000121JUT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 120PF 200V C0G/NP0 0805
  • In Stock:70915
$0.267/pcsRFQ
1206Y5004P00BQT Image
  • Part#:1206Y5004P00BQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 4PF 500V C0G/NP0 1206
  • In Stock:60129
$0.333/pcsRFQ
1808J2000122JDR Image
  • Part#:1808J2000122JDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1200PF 200V X7R 1808
  • In Stock:101449
$0.212/pcsRFQ
0603Y0160560KCR Image
  • Part#:0603Y0160560KCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 56PF 16V C0G/NP0 0603
  • In Stock:328549
$0.062/pcsRFQ
1812Y1000682MXT Image
  • Part#:1812Y1000682MXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 6800PF 100V X7R 1812
  • In Stock:78719
$0.293/pcsRFQ
2220Y2000182KCR Image
  • Part#:2220Y2000182KCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1800PF 200V C0G/NP0 2220
  • In Stock:43724
$0.795/pcsRFQ
1808J5000183MDT Image
  • Part#:1808J5000183MDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.018UF 500V X7R 1808
  • In Stock:66756
$0.3/pcsRFQ
1825J4K00391FCR Image
  • Part#:1825J4K00391FCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 390PF 4KV C0G/NP0 1825
  • In Stock:19689
$1.887/pcsRFQ
1808Y2000153JDR Image
  • Part#:1808Y2000153JDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.015UF 200V X7R 1808
  • In Stock:102887
$0.224/pcsRFQ
  • Part#:0603J1000822JXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 8200PF 100V X7R 0603
  • In Stock:463687
$0.047/pcsRFQ
1210J2500562GCT Image
  • Part#:1210J2500562GCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 5600PF 250V C0G/NP0 1210
  • In Stock:60842
$0.56/pcsRFQ
1111J1000161KQT Image
  • Part#:1111J1000161KQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 160PF 100V C0G/NP0 1111
  • In Stock:108336
$0.364/pcsRFQ
0805J0632P20DAR Image
  • Part#:0805J0632P20DAR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2.2PF 63V C0G/NP0 0805
  • In Stock:286225
$0.077/pcsRFQ
2225Y0630100KFR Image
  • Part#:2225Y0630100KFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 10PF 63V C0G/NP0 2225
  • In Stock:23305
$1.278/pcsRFQ
2225Y6300121FCT Image
  • Part#:2225Y6300121FCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 120PF 630V C0G/NP0 2225
  • In Stock:13493
$2.688/pcsRFQ
0805Y2000200FUT Image
  • Part#:0805Y2000200FUT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 20PF 200V C0G/NP0 0805
  • In Stock:64796
$0.559/pcsRFQ
1808Y0630681JCT Image
  • Part#:1808Y0630681JCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 680PF 63V C0G/NP0 1808
  • In Stock:150985
$0.14/pcsRFQ
0603Y250P680DFT Image
  • Part#:0603Y250P680DFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.68PF 250V C0G/NP0 0603
  • In Stock:282891
$0.078/pcsRFQ
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