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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

1812J5K00560KCT Image
  • Part#:1812J5K00560KCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 56PF 5KV C0G/NP0 1812
  • In Stock:80063
$0.27/pcsRFQ
  • Part#:1206Y0160823MDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.082UF 16V X7R 1206
  • In Stock:220209
$0.099/pcsRFQ
1812J2K00221JCR Image
  • Part#:1812J2K00221JCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 220PF 2KV C0G/NP0 1812
  • In Stock:71348
$0.272/pcsRFQ
1210Y0630682JXT Image
  • Part#:1210Y0630682JXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 6800PF 63V X7R 1210
  • In Stock:129526
$0.186/pcsRFQ
1210J2500333MXT Image
  • Part#:1210J2500333MXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.033UF 250V X7R 1210
  • In Stock:125211
$0.172/pcsRFQ
2225Y1000222FFR Image
  • Part#:2225Y1000222FFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2200PF 100V C0G/NP0 2225
  • In Stock:7106
$5.061/pcsRFQ
1812Y1K00183MER Image
  • Part#:1812Y1K00183MER
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.018UF 1KV X7R 1812
  • In Stock:77982
$0.432/pcsRFQ
1808Y0100104FCR Image
  • Part#:1808Y0100104FCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.1UF 10V C0G/NP0 1808
  • In Stock:27860
$1.237/pcsRFQ
1808Y1K00222JXT Image
  • Part#:1808Y1K00222JXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2200PF 1KV X7R 1808
  • In Stock:86610
$0.24/pcsRFQ
0603J0168P20CCR Image
  • Part#:0603J0168P20CCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 8.2PF 16V C0G/NP0 0603
  • In Stock:293361
$0.064/pcsRFQ
1210Y0250182GFR Image
  • Part#:1210Y0250182GFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1800PF 25V C0G/NP0 1210
  • In Stock:73835
$0.466/pcsRFQ
1812J0500123KCT Image
  • Part#:1812J0500123KCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.012UF 50V C0G/NP0 1812
  • In Stock:64898
$0.336/pcsRFQ
1206Y0631P50BFR Image
  • Part#:1206Y0631P50BFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1.5PF 63V C0G/NP0 1206
  • In Stock:97140
$0.353/pcsRFQ
1206Y2008P20BAR Image
  • Part#:1206Y2008P20BAR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 8.2PF 200V C0G/NP0 1206
  • In Stock:67576
$0.346/pcsRFQ
2220J5000100KFT Image
  • Part#:2220J5000100KFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 10PF 500V C0G/NP0 2220
  • In Stock:49771
$0.727/pcsRFQ
1812Y0250471KCR Image
  • Part#:1812Y0250471KCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 470PF 25V C0G/NP0 1812
  • In Stock:73464
$0.278/pcsRFQ
2220Y1K50390KCR Image
  • Part#:2220Y1K50390KCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 39PF 1.5KV C0G/NP0 2220
  • In Stock:66236
$0.516/pcsRFQ
1206J0630221KAT Image
  • Part#:1206J0630221KAT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 220PF 63V C0G/NP0 1206
  • In Stock:192784
$0.12/pcsRFQ
1808J5000392GCR Image
  • Part#:1808J5000392GCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3900PF 500V C0G/NP0 1808
  • In Stock:63547
$0.468/pcsRFQ
2220J1K20222KCT Image
  • Part#:2220J1K20222KCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2200PF 1.2KV C0G 2220
  • In Stock:60229
$0.579/pcsRFQ
1808Y2500332MXT Image
  • Part#:1808Y2500332MXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3300PF 250V X7R 1808
  • In Stock:157217
$0.128/pcsRFQ
1206J0250474JDR Image
  • Part#:1206J0250474JDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.47UF 25V X7R 1206
  • In Stock:84309
$0.25/pcsRFQ
1812Y0500332FCT Image
  • Part#:1812Y0500332FCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3300PF 50V C0G/NP0 1812
  • In Stock:34575
$1.072/pcsRFQ
1812Y2500330GCR Image
  • Part#:1812Y2500330GCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 33PF 250V C0G/NP0 1812
  • In Stock:76781
$0.5/pcsRFQ
  • Part#:1825Y1000152KCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1825
  • In Stock:44972
$0.68/pcsRFQ
0603J0250821KDR Image
  • Part#:0603J0250821KDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 820PF 25V X7R 0603
  • In Stock:397269
$0.06/pcsRFQ
1808J2000154JDT Image
  • Part#:1808J2000154JDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.15UF 200V X7R 1808
  • In Stock:102497
$0.377/pcsRFQ
1808J0160331JCT Image
  • Part#:1808J0160331JCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 330PF 16V C0G/NP0 1808
  • In Stock:151525
$0.126/pcsRFQ
2225Y5K00152KXT Image
  • Part#:2225Y5K00152KXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1500PF 5KV X7R 2225
  • In Stock:77236
$0.507/pcsRFQ
2225J2000272GFR Image
  • Part#:2225J2000272GFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2700PF 200V C0G/NP0 2225
  • In Stock:13568
$2.65/pcsRFQ
1206Y1K00182KDT Image
  • Part#:1206Y1K00182KDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1800PF 1KV X7R 1206
  • In Stock:141871
$0.145/pcsRFQ
1812Y6K00221MXR Image
  • Part#:1812Y6K00221MXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 220PF 6KV X7R 1812
  • In Stock:85630
$0.267/pcsRFQ
1808Y1K25P60CCR Image
  • Part#:1808Y1K25P60CCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 5.6PF 1.2KV C0G/NP0 1808
  • In Stock:109957
$0.21/pcsRFQ
2225Y2500393GCR Image
  • Part#:2225Y2500393GCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.039UF 250V C0G 2225
  • In Stock:10141
$3.257/pcsRFQ
0805J0160102GCR Image
  • Part#:0805J0160102GCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1000PF 16V C0G/NP0 0805
  • In Stock:211947
$0.102/pcsRFQ
0805J2500101KUT Image
  • Part#:0805J2500101KUT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 100PF 250V C0G/NP0 0805
  • In Stock:99133
$0.239/pcsRFQ
1206Y0500823KXT Image
  • Part#:1206Y0500823KXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.082UF 50V X7R 1206
  • In Stock:221876
$0.088/pcsRFQ
0603J2500100FFT Image
  • Part#:0603J2500100FFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 10PF 250V C0G/NP0 0603
  • In Stock:85725
$0.268/pcsRFQ
2211YA250681MXTSPU Image
  • Part#:2211YA250681MXTSPU
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 680PF 250V X7R 2211
  • In Stock:67850
$0.448/pcsRFQ
1825Y3K00391KXT Image
  • Part#:1825Y3K00391KXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 390PF 3KV X7R 1825
  • In Stock:56273
$0.647/pcsRFQ
1210J0500474JDR Image
  • Part#:1210J0500474JDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.47UF 50V X7R 1210
  • In Stock:76833
$0.436/pcsRFQ
1812Y6300332FCT Image
  • Part#:1812Y6300332FCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3300PF 630V C0G/NP0 1812
  • In Stock:26253
$1.185/pcsRFQ
2220Y0160471JFR Image
  • Part#:2220Y0160471JFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 470PF 16V C0G/NP0 2220
  • In Stock:31422
$1.117/pcsRFQ
1111Y2K06P80HQT Image
  • Part#:1111Y2K06P80HQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 6.8PF 2000V C0G/NP0 1111
  • In Stock:24154
$1.406/pcsRFQ
1111Y5000470FUT Image
  • Part#:1111Y5000470FUT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 47PF 500V C0G/NP0 1111
  • In Stock:4775
 RFQ
1808J0100681KCT Image
  • Part#:1808J0100681KCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 680PF 10V C0G/NP0 1808
  • In Stock:190426
$0.123/pcsRFQ
2220J4K00471GCT Image
  • Part#:2220J4K00471GCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 470PF 4KV C0G/NP0 2220
  • In Stock:56131
$0.585/pcsRFQ
1808Y2500683MXR Image
  • Part#:1808Y2500683MXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.068UF 250V X7R 1808
  • In Stock:101979
$0.192/pcsRFQ
0603Y0160820JFR Image
  • Part#:0603Y0160820JFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 82PF 16V C0G/NP0 0603
  • In Stock:213239
$0.097/pcsRFQ
1206Y0500331JAR Image
  • Part#:1206Y0500331JAR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 330PF 50V C0G/NP0 1206
  • In Stock:174394
$0.128/pcsRFQ
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