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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

0603J3005P10CQT Image
  • Part#:0603J3005P10CQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 5.1PF 300V C0G/NP0 0603
  • In Stock:184403
$0.107/pcsRFQ
0603J2000472MDT Image
  • Part#:0603J2000472MDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 4700PF 200V X7R 0603
  • In Stock:298991
$0.073/pcsRFQ
1808J2000391JXR Image
  • Part#:1808J2000391JXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 390PF 200V X7R 1808
  • In Stock:141480
$0.145/pcsRFQ
1808J4K00560KCT Image
  • Part#:1808J4K00560KCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 56PF 4KV C0G/NP0 1808
  • In Stock:153281
$0.154/pcsRFQ
2225Y3K00182KXT Image
  • Part#:2225Y3K00182KXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1800PF 3KV X7R 2225
  • In Stock:40220
$0.786/pcsRFQ
0603Y2500910KUT Image
  • Part#:0603Y2500910KUT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 91PF 250V C0G/NP0 0603
  • In Stock:143520
$0.14/pcsRFQ
1206J1K00121KXR Image
  • Part#:1206J1K00121KXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 120PF 1KV X7R 1206
  • In Stock:312012
$0.076/pcsRFQ
2225J4K00680KCT Image
  • Part#:2225J4K00680KCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 68PF 4KV C0G/NP0 2225
  • In Stock:59908
$0.349/pcsRFQ
1206J1000332KDR Image
  • Part#:1206J1000332KDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3300PF 100V X7R 1206
  • In Stock:219653
$0.107/pcsRFQ
1206Y0160394JDR Image
  • Part#:1206Y0160394JDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.39UF 16V X7R 1206
  • In Stock:103199
$0.234/pcsRFQ
0805Y0630272FFR Image
  • Part#:0805Y0630272FFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2700PF 63V C0G/NP0 0805
  • In Stock:66698
$0.476/pcsRFQ
1825J1K20272FCR Image
  • Part#:1825J1K20272FCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2700PF 1.2KV C0G 1825
  • In Stock:13192
$2.612/pcsRFQ
1808YA250390JCRSY2 Image
  • Part#:1808YA250390JCRSY2
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 39PF 250V C0G/NP0 1808
  • In Stock:82673
$0.269/pcsRFQ
1206J0630472JFT Image
  • Part#:1206J0630472JFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 4700PF 63V C0G/NP0 1206
  • In Stock:122662
$0.175/pcsRFQ
1206Y2500181GCT Image
  • Part#:1206Y2500181GCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 180PF 250V C0G/NP0 1206
  • In Stock:120409
$0.18/pcsRFQ
1210J1000183MXR Image
  • Part#:1210J1000183MXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.018UF 100V X7R 1210
  • In Stock:140463
$0.135/pcsRFQ
2225Y1000104KDT Image
  • Part#:2225Y1000104KDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.1UF 100V X7R 2225
  • In Stock:28154
$1.126/pcsRFQ
1206J1000271JDR Image
  • Part#:1206J1000271JDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 270PF 100V X7R 1206
  • In Stock:158013
$0.126/pcsRFQ
2220J0250102JCR Image
  • Part#:2220J0250102JCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1000PF 25V C0G/NP0 2220
  • In Stock:46116
$0.667/pcsRFQ
2220J1K50682KXR Image
  • Part#:2220J1K50682KXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 6800PF 1.5KV X7R 2220
  • In Stock:75716
$0.455/pcsRFQ
2220Y1K00392JDT Image
  • Part#:2220Y1K00392JDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3900PF 1KV X7R 2220
  • In Stock:37864
$0.977/pcsRFQ
1210Y1K55P60BCR Image
  • Part#:1210Y1K55P60BCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 5.6PF 1.5KV C0G/NP0 1210
  • In Stock:70799
$0.422/pcsRFQ
1812YA250181KXTSY2 Image
  • Part#:1812YA250181KXTSY2
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 180PF 250V X7R 1812
  • In Stock:68276
$0.35/pcsRFQ
1111J2000470KQT Image
  • Part#:1111J2000470KQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 47PF 200V C0G/NP0 1111
  • In Stock:74569
$0.32/pcsRFQ
0805J0630390KQT Image
  • Part#:0805J0630390KQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 39PF 63V C0G/NP0 0805
  • In Stock:115828
$0.168/pcsRFQ
1111J1000100KQT Image
  • Part#:1111J1000100KQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 10PF 100V C0G/NP0 1111
  • In Stock:67692
$0.338/pcsRFQ
0805J1500680KQT Image
  • Part#:0805J1500680KQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 68PF 150V C0G/NP0 0805
  • In Stock:99735
$0.195/pcsRFQ
2220Y0100274JXR Image
  • Part#:2220Y0100274JXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.27UF 10V X7R 2220
  • In Stock:34671
$0.897/pcsRFQ
0805Y0500391KFT Image
  • Part#:0805Y0500391KFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 390PF 50V C0G/NP0 0805
  • In Stock:261842
$0.085/pcsRFQ
1825Y1K50122JCT Image
  • Part#:1825Y1K50122JCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1200PF 1.5KV C0G 1825
  • In Stock:34287
$0.95/pcsRFQ
1808J0500152JFR Image
  • Part#:1808J0500152JFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1500PF 50V C0G/NP0 1808
  • In Stock:128217
$0.165/pcsRFQ
1206Y2000181MDT Image
  • Part#:1206Y2000181MDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 180PF 200V X7R 1206
  • In Stock:171446
$0.117/pcsRFQ
1210Y0630820GAT Image
  • Part#:1210Y0630820GAT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 82PF 63V C0G/NP0 1210
  • In Stock:73561
$0.455/pcsRFQ
2225J2K00220GCR Image
  • Part#:2225J2K00220GCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 22PF 2KV C0G/NP0 2225
  • In Stock:28559
$1.22/pcsRFQ
0805Y0500123MDR Image
  • Part#:0805Y0500123MDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.012UF 50V X7R 0805
  • In Stock:222988
$0.089/pcsRFQ
1206Y1000184KXT Image
  • Part#:1206Y1000184KXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.18UF 100V X7R 1206
  • In Stock:157938
$0.143/pcsRFQ
0805Y0500221KCT Image
  • Part#:0805Y0500221KCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 220PF 50V C0G/NP0 0805
  • In Stock:403981
$0.059/pcsRFQ
2225Y0160274JXR Image
  • Part#:2225Y0160274JXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.27UF 16V X7R 2225
  • In Stock:28526
$1.073/pcsRFQ
0603J2500102JXT Image
  • Part#:0603J2500102JXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1000PF 250V X7R 0603
  • In Stock:391843
$0.054/pcsRFQ
1808Y1K20152MXT Image
  • Part#:1808Y1K20152MXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1500PF 1.2KV X7R 1808
  • In Stock:145833
$0.132/pcsRFQ
2220J4K00681JXT Image
  • Part#:2220J4K00681JXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 680PF 4KV X7R 2220
  • In Stock:62433
$0.363/pcsRFQ
1825Y2500331GCT Image
  • Part#:1825Y2500331GCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 330PF 250V C0G/NP0 1825
  • In Stock:19465
$1.96/pcsRFQ
1206J0502P20BCT Image
  • Part#:1206J0502P20BCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2.2PF 50V C0G/NP0 1206
  • In Stock:93810
$0.25/pcsRFQ
2225J1K00822FFT Image
  • Part#:2225J1K00822FFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 8200PF 1KV C0G/NP0 2225
  • In Stock:5113
$5.941/pcsRFQ
0805Y1008P20BCR Image
  • Part#:0805Y1008P20BCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 8.2PF 100V C0G/NP0 0805
  • In Stock:117502
$0.167/pcsRFQ
1812J2500102JFR Image
  • Part#:1812J2500102JFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1000PF 250V C0G/NP0 1812
  • In Stock:92143
$0.412/pcsRFQ
1206J1000121FQT Image
  • Part#:1206J1000121FQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 120PF 100V C0G/NP0 1206
  • In Stock:47569
$0.738/pcsRFQ
1808J0250271JFR Image
  • Part#:1808J0250271JFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 270PF 25V C0G/NP0 1808
  • In Stock:118387
$0.172/pcsRFQ
1808Y0630152KCT Image
  • Part#:1808Y0630152KCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1500PF 63V C0G/NP0 1808
  • In Stock:182416
$0.124/pcsRFQ
0805J1000821GFT Image
  • Part#:0805J1000821GFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 820PF 100V C0G/NP0 0805
  • In Stock:124697
$0.191/pcsRFQ
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