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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

0603Y2000680KAT Image
  • Part#:0603Y2000680KAT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 68PF 200V C0G/NP0 0603
  • In Stock:235212
$0.08/pcsRFQ
  • Part#:0603Y2500820JFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 82PF 250V C0G/NP0 0603
  • In Stock:339458
$0.068/pcsRFQ
0505J0500270JQT Image
  • Part#:0505J0500270JQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 27PF 50V C0G/NP0 0505
  • In Stock:118101
$0.2/pcsRFQ
2220Y1K00180KFR Image
  • Part#:2220Y1K00180KFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 18PF 1KV C0G/NP0 2220
  • In Stock:42503
$0.752/pcsRFQ
2220Y0500334MDT Image
  • Part#:2220Y0500334MDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.33UF 50V X7R 2220
  • In Stock:36776
$1.069/pcsRFQ
  • Part#:2220J1K00124KDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.12UF 1000V X7R 2220
  • In Stock:35726
$0.874/pcsRFQ
1812Y0500822MER Image
  • Part#:1812Y0500822MER
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 8200PF 50V X7R 1812
  • In Stock:100576
$0.377/pcsRFQ
1808Y0250221JXT Image
  • Part#:1808Y0250221JXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 220PF 25V X7R 1808
  • In Stock:141540
$0.135/pcsRFQ
1210J0500683MDR Image
  • Part#:1210J0500683MDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.068UF 50V X7R 1210
  • In Stock:108191
$0.209/pcsRFQ
1825Y0630154KCT Image
  • Part#:1825Y0630154KCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.15UF 63V C0G/NP0 1825
  • In Stock:17052
$1.787/pcsRFQ
2220Y0500562FCR Image
  • Part#:2220Y0500562FCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 5600PF 50V C0G/NP0 2220
  • In Stock:14324
$2.625/pcsRFQ
  • Part#:1206Y050P500BQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER HIGH Q 1206
  • In Stock:133938
$0.151/pcsRFQ
2225Y0100273JXT Image
  • Part#:2225Y0100273JXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.027UF 10V X7R 2225
  • In Stock:35770
$0.935/pcsRFQ
1812Y4K00821MXT Image
  • Part#:1812Y4K00821MXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 820PF 4KV X7R 1812
  • In Stock:65824
$0.288/pcsRFQ
1812Y0160560KCT Image
  • Part#:1812Y0160560KCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 56PF 16V C0G/NP0 1812
  • In Stock:73420
$0.302/pcsRFQ
1812J1000821KCR Image
  • Part#:1812J1000821KCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 820PF 100V C0G/NP0 1812
  • In Stock:78881
$0.251/pcsRFQ
1206Y1K00331FAT Image
  • Part#:1206Y1K00331FAT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 330PF 1KV C0G/NP0 1206
  • In Stock:71839
$0.543/pcsRFQ
2220J0250821GFT Image
  • Part#:2220J0250821GFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 820PF 25V C0G/NP0 2220
  • In Stock:17458
$1.775/pcsRFQ
2225Y0500103FFT Image
  • Part#:2225Y0500103FFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 10000PF 50V C0G/NP0 2225
  • In Stock:6575
$5.691/pcsRFQ
1825Y1K20330FCR Image
  • Part#:1825Y1K20330FCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 33PF 1.2KV C0G/NP0 1825
  • In Stock:19832
$1.911/pcsRFQ
1812Y1K00393KDR Image
  • Part#:1812Y1K00393KDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.039UF 1KV X7R 1812
  • In Stock:63466
$0.501/pcsRFQ
0505J2003P30DQT Image
  • Part#:0505J2003P30DQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3.3PF 200V C0G/NP0 0505
  • In Stock:110930
$0.191/pcsRFQ
1206Y0101P80BCT Image
  • Part#:1206Y0101P80BCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1.8PF 10V C0G/NP0 1206
  • In Stock:74293
$0.26/pcsRFQ
1825J1K20120KCT Image
  • Part#:1825J1K20120KCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 12PF 1.2KV C0G/NP0 1825
  • In Stock:62672
$0.529/pcsRFQ
1812Y0250820KFT Image
  • Part#:1812Y0250820KFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 82PF 25V C0G/NP0 1812
  • In Stock:65253
$0.471/pcsRFQ
1808J0258P20BFT Image
  • Part#:1808J0258P20BFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 8.2PF 25V C0G/NP0 1808
  • In Stock:49228
$0.623/pcsRFQ
1812Y0160273KFT Image
  • Part#:1812Y0160273KFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.027UF 16V C0G/NP0 1812
  • In Stock:54216
$0.591/pcsRFQ
1210Y0100181GCT Image
  • Part#:1210Y0100181GCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 180PF 10V C0G/NP0 1210
  • In Stock:65787
$0.306/pcsRFQ
0603Y0250120JFR Image
  • Part#:0603Y0250120JFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 12PF 25V C0G/NP0 0603
  • In Stock:193457
$0.1/pcsRFQ
1206J1K00120KCT Image
  • Part#:1206J1K00120KCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 12PF 1KV C0G/NP0 1206
  • In Stock:219857
$0.091/pcsRFQ
1206J6300681FAT Image
  • Part#:1206J6300681FAT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 680PF 630V C0G/NP0 1206
  • In Stock:73075
$0.522/pcsRFQ
0805Y0100392MXT Image
  • Part#:0805Y0100392MXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3900PF 10V X7R 0805
  • In Stock:401342
$0.057/pcsRFQ
0603J200P680BCR Image
  • Part#:0603J200P680BCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.68PF 200V C0G/NP0 0603
  • In Stock:160908
$0.144/pcsRFQ
1206Y0500472JFR Image
  • Part#:1206Y0500472JFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 4700PF 50V C0G/NP0 1206
  • In Stock:139337
$0.172/pcsRFQ
1206J2502P40DQT Image
  • Part#:1206J2502P40DQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2.4PF 250V C0G/NP0 1206
  • In Stock:128086
$0.178/pcsRFQ
1206Y1K54P70CCT Image
  • Part#:1206Y1K54P70CCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 4.7PF 1.5KV C0G/NP0 1206
  • In Stock:152552
$0.146/pcsRFQ
1825J0250393MXT Image
  • Part#:1825J0250393MXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.039UF 25V X7R 1825
  • In Stock:51929
$0.682/pcsRFQ
1812J5000151MDT Image
  • Part#:1812J5000151MDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 150PF 500V X7R 1812
  • In Stock:81438
$0.369/pcsRFQ
  • Part#:0603Y2000240KUT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER LOW ESR 0603
  • In Stock:230719
$0.092/pcsRFQ
2220J0160151KCT Image
  • Part#:2220J0160151KCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 150PF 16V C0G/NP0 2220
  • In Stock:55710
$0.682/pcsRFQ
0805J0500270JFT Image
  • Part#:0805J0500270JFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 27PF 50V C0G/NP0 0805
  • In Stock:276426
$0.086/pcsRFQ
1206Y1K00181JAR Image
  • Part#:1206Y1K00181JAR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 180PF 1KV C0G/NP0 1206
  • In Stock:150405
$0.152/pcsRFQ
2220Y1K00391JDR Image
  • Part#:2220Y1K00391JDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 390PF 1KV X7R 2220
  • In Stock:40385
$0.923/pcsRFQ
1206J2K00270KCR Image
  • Part#:1206J2K00270KCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 27PF 2KV C0G/NP0 1206
  • In Stock:259916
$0.084/pcsRFQ
1206J0250331KFT Image
  • Part#:1206J0250331KFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 330PF 25V C0G/NP0 1206
  • In Stock:169440
$0.124/pcsRFQ
1206Y2500750JQT Image
  • Part#:1206Y2500750JQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 75PF 250V C0G/NP0 1206
  • In Stock:101157
$0.235/pcsRFQ
1812Y0100561JCT Image
  • Part#:1812Y0100561JCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 560PF 10V C0G/NP0 1812
  • In Stock:68536
$0.305/pcsRFQ
1210Y5000473MXR Image
  • Part#:1210Y5000473MXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.047UF 500V X7R 1210
  • In Stock:170570
$0.131/pcsRFQ
1206J5000330JAT Image
  • Part#:1206J5000330JAT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 33PF 500V C0G/NP0 1206
  • In Stock:166832
$0.126/pcsRFQ
2225Y1K50102MXR Image
  • Part#:2225Y1K50102MXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1000PF 1.5KV X7R 2225
  • In Stock:61008
$0.563/pcsRFQ
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