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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

1808J0630221GCR Image
  • Part#:1808J0630221GCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 220PF 63V C0G/NP0 1808
  • In Stock:124190
$0.177/pcsRFQ
2220Y2500561FFR Image
  • Part#:2220Y2500561FFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 560PF 250V C0G/NP0 2220
  • In Stock:7390
$4.275/pcsRFQ
0805J1K00680KCR Image
  • Part#:0805J1K00680KCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 68PF 1KV C0G/NP0 0805
  • In Stock:487926
$0.049/pcsRFQ
0603J0630821JXR Image
  • Part#:0603J0630821JXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 820PF 63V X7R 0603
  • In Stock:464664
$0.05/pcsRFQ
1210J0630184MDR Image
  • Part#:1210J0630184MDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.18UF 63V X7R 1210
  • In Stock:93800
$0.238/pcsRFQ
1812Y1K00123MDR Image
  • Part#:1812Y1K00123MDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.012UF 1KV X7R 1812
  • In Stock:78565
$0.425/pcsRFQ
2225J5K00120GCT Image
  • Part#:2225J5K00120GCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 12PF 5KV C0G/NP0 2225
  • In Stock:46665
$0.725/pcsRFQ
1206Y6300221KXT Image
  • Part#:1206Y6300221KXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 220PF 630V X7R 1206
  • In Stock:261480
$0.079/pcsRFQ
0603J0630101JDR Image
  • Part#:0603J0630101JDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 100PF 63V X7R 0603
  • In Stock:292467
$0.076/pcsRFQ
2220J2K50152FCT Image
  • Part#:2220J2K50152FCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1500PF 2.5KV C0G 2220
  • In Stock:12824
$2.905/pcsRFQ
1206J1K00110JQT Image
  • Part#:1206J1K00110JQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 11PF 1KV C0G/NP0 1206
  • In Stock:103053
$0.22/pcsRFQ
1206J6300331FCT Image
  • Part#:1206J6300331FCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 330PF 630V C0G/NP0 1206
  • In Stock:70549
$0.305/pcsRFQ
0505Y100P200HQT Image
  • Part#:0505Y100P200HQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.2PF 100V C0G/NP0 0505
  • In Stock:80914
$0.287/pcsRFQ
1206J5000330MDR Image
  • Part#:1206J5000330MDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 33PF 500V X7R 1206
  • In Stock:207029
$0.098/pcsRFQ
2225J2000153JFR Image
  • Part#:2225J2000153JFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.015UF 200V C0G 2225
  • In Stock:21747
$1.632/pcsRFQ
0505Y300P300BQT Image
  • Part#:0505Y300P300BQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.3PF 300V C0G/NP0 0505
  • In Stock:139131
$0.165/pcsRFQ
1825Y1K20271KCT Image
  • Part#:1825Y1K20271KCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 270PF 1.2KV C0G/NP0 1825
  • In Stock:52768
$0.628/pcsRFQ
0603Y3000330JQT Image
  • Part#:0603Y3000330JQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 33PF 300V C0G/NP0 0603
  • In Stock:158800
$0.121/pcsRFQ
1812Y0630680KCT Image
  • Part#:1812Y0630680KCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 68PF 63V C0G/NP0 1812
  • In Stock:73486
$0.299/pcsRFQ
0603Y0100183JXR Image
  • Part#:0603Y0100183JXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.018UF 10V X7R 0603
  • In Stock:384891
$0.061/pcsRFQ
2220JA250151KXTB16 Image
  • Part#:2220JA250151KXTB16
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 150PF 250V X7R 2220
  • In Stock:98668
$0.395/pcsRFQ
0603J1000100GQT Image
  • Part#:0603J1000100GQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 10PF 100V C0G/NP0 0603
  • In Stock:81636
$0.283/pcsRFQ
1206J1000331FFR Image
  • Part#:1206J1000331FFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 330PF 100V C0G/NP0 1206
  • In Stock:71182
$0.427/pcsRFQ
  • Part#:0805Y0160120FFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 12PF 16V C0G/NP0 0805
  • In Stock:89136
$0.244/pcsRFQ
2220J5K00271JCT Image
  • Part#:2220J5K00271JCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 270PF 5KV C0G/NP0 2220
  • In Stock:100061
$0.364/pcsRFQ
1206J1000472KDT Image
  • Part#:1206J1000472KDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 4700PF 100V X7R 1206
  • In Stock:169197
$0.112/pcsRFQ
1808J0500390JDT Image
  • Part#:1808J0500390JDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 39PF 50V X7R 1808
  • In Stock:106588
$0.181/pcsRFQ
1206Y1000681KDR Image
  • Part#:1206Y1000681KDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 680PF 100V X7R 1206
  • In Stock:189146
$0.108/pcsRFQ
1812Y1K50471GCT Image
  • Part#:1812Y1K50471GCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 470PF 1.5KV C0G/NP0 1812
  • In Stock:44078
$0.688/pcsRFQ
1808J0160152JXR Image
  • Part#:1808J0160152JXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1500PF 16V X7R 1808
  • In Stock:206490
$0.114/pcsRFQ
0805Y3004P30DQT Image
  • Part#:0805Y3004P30DQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 4.3PF 300V C0G/NP0 0805
  • In Stock:143179
$0.148/pcsRFQ
0805Y0100121JCR Image
  • Part#:0805Y0100121JCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 120PF 10V C0G/NP0 0805
  • In Stock:357771
$0.057/pcsRFQ
1210J1000680JCT Image
  • Part#:1210J1000680JCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 68PF 100V C0G/NP0 1210
  • In Stock:118386
$0.167/pcsRFQ
0603J0630121JCT Image
  • Part#:0603J0630121JCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 120PF 63V C0G/NP0 0603
  • In Stock:413160
$0.055/pcsRFQ
0805J0631P50CFT Image
  • Part#:0805J0631P50CFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1.5PF 63V C0G/NP0 0805
  • In Stock:154420
$0.134/pcsRFQ
1111Y5000431JQT Image
  • Part#:1111Y5000431JQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 430PF 500V C0G/NP0 1111
  • In Stock:80456
$0.463/pcsRFQ
2225Y2500105JDR Image
  • Part#:2225Y2500105JDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1UF 250V X7R 2225
  • In Stock:14910
$2.229/pcsRFQ
0805Y0634P00BQT Image
  • Part#:0805Y0634P00BQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 4PF 63V C0G/NP0 0805
  • In Stock:90513
$0.237/pcsRFQ
1812J0630274JDT Image
  • Part#:1812J0630274JDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.27UF 63V X7R 1812
  • In Stock:65893
$0.552/pcsRFQ
1808J0250471MDT Image
  • Part#:1808J0250471MDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 470PF 25V X7R 1808
  • In Stock:130167
$0.181/pcsRFQ
  • Part#:0603J1002P20BAR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0603
  • In Stock:113991
$0.183/pcsRFQ
2220Y1000125JDT Image
  • Part#:2220Y1000125JDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1.2UF 100V X7R 2220
  • In Stock:20117
$1.814/pcsRFQ
2225J0500151GFR Image
  • Part#:2225J0500151GFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 150PF 50V C0G/NP0 2225
  • In Stock:14409
$2.077/pcsRFQ
1808J1K20150JCT Image
  • Part#:1808J1K20150JCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 15PF 1.2KV C0G/NP0 1808
  • In Stock:116126
$0.163/pcsRFQ
1812J0630101FCR Image
  • Part#:1812J0630101FCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 100PF 63V C0G/NP0 1812
  • In Stock:39505
$0.92/pcsRFQ
1210Y5000221KCR Image
  • Part#:1210Y5000221KCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 220PF 500V C0G/NP0 1210
  • In Stock:182295
$0.108/pcsRFQ
  • Part#:0603J0500682MXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 6800PF 50V X7R 0603
  • In Stock:619615
$0.036/pcsRFQ
2225Y3K00391MXT Image
  • Part#:2225Y3K00391MXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 390PF 3KV X7R 2225
  • In Stock:46836
$0.724/pcsRFQ
1210J5000181FAR Image
  • Part#:1210J5000181FAR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 180PF 500V C0G/NP0 1210
  • In Stock:52529
$0.586/pcsRFQ
1808J1K20392KXT Image
  • Part#:1808J1K20392KXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3900PF 1.2KV X7R 1808
  • In Stock:139983
$0.17/pcsRFQ
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