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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

1808Y2K00150KCR Image
  • Part#:1808Y2K00150KCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 15PF 2KV C0G/NP0 1808
  • In Stock:134215
$0.141/pcsRFQ
2211YA250330GCRSPU Image
  • Part#:2211YA250330GCRSPU
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 33PF 250V C0G/NP0 2211
  • In Stock:34262
$0.907/pcsRFQ
1206J2500122FCR Image
  • Part#:1206J2500122FCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1200PF 250V C0G/NP0 1206
  • In Stock:85354
$0.393/pcsRFQ
1825J1K00822JXT Image
  • Part#:1825J1K00822JXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 8200PF 1KV X7R 1825
  • In Stock:58555
$0.667/pcsRFQ
1111J2K00200FQT Image
  • Part#:1111J2K00200FQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 20PF 2KV C0G/NP0 1111
  • In Stock:24008
$1.363/pcsRFQ
2220J4K00271MXT Image
  • Part#:2220J4K00271MXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 270PF 4KV X7R 2220
  • In Stock:83601
$0.27/pcsRFQ
1812J0630391KFT Image
  • Part#:1812J0630391KFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 390PF 63V C0G/NP0 1812
  • In Stock:99722
$0.383/pcsRFQ
1808J2000471FFT Image
  • Part#:1808J2000471FFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 470PF 200V C0G/NP0 1808
  • In Stock:61674
$0.608/pcsRFQ
1825Y1K20681JXT Image
  • Part#:1825Y1K20681JXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 680PF 1.2KV X7R 1825
  • In Stock:43156
$0.726/pcsRFQ
1825Y2500273FCR Image
  • Part#:1825Y2500273FCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.027UF 250V C0G 1825
  • In Stock:5836
$5.148/pcsRFQ
0603Y1000120FAR Image
  • Part#:0603Y1000120FAR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 12PF 100V C0G/NP0 0603
  • In Stock:94056
$0.248/pcsRFQ
1210Y1000183FCT Image
  • Part#:1210Y1000183FCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.018UF 100V C0G 1210
  • In Stock:29177
$1.306/pcsRFQ
0603Y1003P60BQT Image
  • Part#:0603Y1003P60BQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3.6PF 100V C0G/NP0 0603
  • In Stock:149370
$0.152/pcsRFQ
0805J3002P10DQT Image
  • Part#:0805J3002P10DQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2.1PF 300V C0G/NP0 0805
  • In Stock:143409
$0.15/pcsRFQ
0805Y0630430JQT Image
  • Part#:0805Y0630430JQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 43PF 63V C0G/NP0 0805
  • In Stock:126381
$0.185/pcsRFQ
0805Y6300330GCT Image
  • Part#:0805Y6300330GCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 33PF 630V C0G/NP0 0805
  • In Stock:213404
$0.103/pcsRFQ
1206Y2000561KQT Image
  • Part#:1206Y2000561KQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 560PF 200V C0G/NP0 1206
  • In Stock:65217
$0.303/pcsRFQ
2225J0500333KCR Image
  • Part#:2225J0500333KCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.033UF 50V C0G/NP0 2225
  • In Stock:31557
$1.039/pcsRFQ
1808J2500150JDT Image
  • Part#:1808J2500150JDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 15PF 250V X7R 1808
  • In Stock:87141
$0.236/pcsRFQ
1206Y0500150GAR Image
  • Part#:1206Y0500150GAR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 15PF 50V C0G/NP0 1206
  • In Stock:99893
$0.208/pcsRFQ
1210Y0500222JAR Image
  • Part#:1210Y0500222JAR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2200PF 50V C0G/NP0 1210
  • In Stock:79677
$0.263/pcsRFQ
0603J0250271JDT Image
  • Part#:0603J0250271JDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 270PF 25V X7R 0603
  • In Stock:279837
$0.075/pcsRFQ
1210Y0633P90BFT Image
  • Part#:1210Y0633P90BFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3.9PF 63V C0G/NP0 1210
  • In Stock:51861
$0.573/pcsRFQ
1825Y0250154FCT Image
  • Part#:1825Y0250154FCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.15UF 25V C0G/NP0 1825
  • In Stock:6484
$5.578/pcsRFQ
1210J1K00123JDR Image
  • Part#:1210J1K00123JDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.012UF 1KV X7R 1210
  • In Stock:66278
$0.335/pcsRFQ
0505Y150P900HQT Image
  • Part#:0505Y150P900HQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.9PF 150V C0G/NP0 0505
  • In Stock:72749
$0.263/pcsRFQ
1210Y2000820FAR Image
  • Part#:1210Y2000820FAR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 82PF 200V C0G/NP0 1210
  • In Stock:35705
$0.901/pcsRFQ
1111Y3004P30DQT Image
  • Part#:1111Y3004P30DQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 4.3PF 300V C0G/NP0 1111
  • In Stock:65430
$0.308/pcsRFQ
1206J1K03P30BAT Image
  • Part#:1206J1K03P30BAT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3.3PF 1000V C0G/NP0 1206
  • In Stock:66895
$0.461/pcsRFQ
0805Y2000470JUT Image
  • Part#:0805Y2000470JUT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 47PF 200V C0G/NP0 0805
  • In Stock:108438
$0.212/pcsRFQ
1812J1K50220GCR Image
  • Part#:1812J1K50220GCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 22PF 1.5KV C0G/NP0 1812
  • In Stock:84596
$0.37/pcsRFQ
1812J0500223KCT Image
  • Part#:1812J0500223KCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.022UF 50V C0G/NP0 1812
  • In Stock:89233
$0.415/pcsRFQ
2225J0250333MXT Image
  • Part#:2225J0250333MXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.033UF 25V X7R 2225
  • In Stock:48871
$0.639/pcsRFQ
1808Y1000471FFR Image
  • Part#:1808Y1000471FFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 470PF 100V C0G/NP0 1808
  • In Stock:64805
$0.584/pcsRFQ
1206Y2500101MXR Image
  • Part#:1206Y2500101MXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 100PF 250V X7R 1206
  • In Stock:310708
$0.075/pcsRFQ
2225Y2000391GFT Image
  • Part#:2225Y2000391GFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 390PF 200V C0G/NP0 2225
  • In Stock:14861
$2.571/pcsRFQ
1206J1500751FQT Image
  • Part#:1206J1500751FQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 750PF 150V C0G/NP0 1206
  • In Stock:32803
$1.146/pcsRFQ
1206J0250123GFR Image
  • Part#:1206J0250123GFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.012UF 25V C0G/NP0 1206
  • In Stock:96844
$0.405/pcsRFQ
1825J1K00273MXT Image
  • Part#:1825J1K00273MXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.027UF 1KV X7R 1825
  • In Stock:63330
$0.621/pcsRFQ
2225Y0160223MXR Image
  • Part#:2225Y0160223MXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.022UF 16V X7R 2225
  • In Stock:51244
$0.7/pcsRFQ
1206J1K20151MXR Image
  • Part#:1206J1K20151MXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 150PF 1.2KV X7R 1206
  • In Stock:242449
$0.086/pcsRFQ
1210Y0500181GCT Image
  • Part#:1210Y0500181GCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 180PF 50V C0G/NP0 1210
  • In Stock:73817
$0.298/pcsRFQ
2220J1000684JDT Image
  • Part#:2220J1000684JDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.68UF 100V X7R 2220
  • In Stock:21263
$1.412/pcsRFQ
0805Y0630392KDR Image
  • Part#:0805Y0630392KDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3900PF 63V X7R 0805
  • In Stock:275617
$0.079/pcsRFQ
1812Y2000680JCT Image
  • Part#:1812Y2000680JCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 68PF 200V C0G/NP0 1812
  • In Stock:56525
$0.335/pcsRFQ
2225J0500273GFT Image
  • Part#:2225J0500273GFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.027UF 50V C0G/NP0 2225
  • In Stock:10175
$2.946/pcsRFQ
0805J2501P00BFT Image
  • Part#:0805J2501P00BFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1PF 250V C0G/NP0 0805
  • In Stock:77196
$0.273/pcsRFQ
1808Y0500472GCT Image
  • Part#:1808Y0500472GCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 4700PF 50V C0G/NP0 1808
  • In Stock:96487
$0.221/pcsRFQ
0603Y2002P10HUT Image
  • Part#:0603Y2002P10HUT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2.1PF 200V C0G/NP0 0603
  • In Stock:102093
$0.21/pcsRFQ
1825J0630154JXR Image
  • Part#:1825J0630154JXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.15UF 63V X7R 1825
  • In Stock:37689
$0.901/pcsRFQ
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