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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

1206J0160391MDT Image
  • Part#:1206J0160391MDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 390PF 16V X7R 1206
  • In Stock:195041
$0.114/pcsRFQ
2220J1K00180KFR Image
  • Part#:2220J1K00180KFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 18PF 1KV C0G/NP0 2220
  • In Stock:57016
$0.682/pcsRFQ
1812Y2000272GAT Image
  • Part#:1812Y2000272GAT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2700PF 200V C0G/NP0 1812
  • In Stock:39576
$0.988/pcsRFQ
1812Y0160121GCR Image
  • Part#:1812Y0160121GCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 120PF 16V C0G/NP0 1812
  • In Stock:64923
$0.492/pcsRFQ
2225Y1K50150GCR Image
  • Part#:2225Y1K50150GCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 15PF 1.5KV C0G/NP0 2225
  • In Stock:20503
$1.477/pcsRFQ
1111Y6303P00DQT Image
  • Part#:1111Y6303P00DQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3PF 630V C0G/NP0 1111
  • In Stock:82227
$0.284/pcsRFQ
1808Y0630273JXT Image
  • Part#:1808Y0630273JXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.027UF 63V X7R 1808
  • In Stock:123629
$0.183/pcsRFQ
1210J0250561FFR Image
  • Part#:1210J0250561FFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 560PF 25V C0G/NP0 1210
  • In Stock:40476
$0.831/pcsRFQ
2225Y0250221JFR Image
  • Part#:2225Y0250221JFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 220PF 25V C0G/NP0 2225
  • In Stock:24164
$1.54/pcsRFQ
2225J1K00472JFR Image
  • Part#:2225J1K00472JFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 4700PF 1KV C0G/NP0 2225
  • In Stock:17490
$1.915/pcsRFQ
1210Y0160155MXT Image
  • Part#:1210Y0160155MXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1.5UF 16V X7R 1210
  • In Stock:72873
$0.329/pcsRFQ
1206J1001P80CCT Image
  • Part#:1206J1001P80CCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1.8PF 100V C0G/NP0 1206
  • In Stock:189970
$0.115/pcsRFQ
2220Y0100474KXR Image
  • Part#:2220Y0100474KXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.47UF 10V X7R 2220
  • In Stock:45471
$0.768/pcsRFQ
1825Y0100270FCT Image
  • Part#:1825Y0100270FCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 27PF 10V C0G/NP0 1825
  • In Stock:9551
$3.176/pcsRFQ
0805Y0100181JXR Image
  • Part#:0805Y0100181JXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 180PF 10V X7R 0805
  • In Stock:364105
$0.063/pcsRFQ
1210J2500182MXR Image
  • Part#:1210J2500182MXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1800PF 250V X7R 1210
  • In Stock:166413
$0.145/pcsRFQ
1812Y0500123JDR Image
  • Part#:1812Y0500123JDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.012UF 50V X7R 1812
  • In Stock:72563
$0.505/pcsRFQ
2225J0250563KCR Image
  • Part#:2225J0250563KCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.056UF 25V C0G/NP0 2225
  • In Stock:37701
$1.042/pcsRFQ
1111J2000152FQT Image
  • Part#:1111J2000152FQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1500PF 200V C0G/NP0 1111
  • In Stock:18901
$1.964/pcsRFQ
0805Y2500101FFR Image
  • Part#:0805Y2500101FFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 100PF 250V C0G/NP0 0805
  • In Stock:106951
$0.36/pcsRFQ
1808J0630393MDR Image
  • Part#:1808J0630393MDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.039UF 63V X7R 1808
  • In Stock:127461
$0.186/pcsRFQ
1206J0500822FAR Image
  • Part#:1206J0500822FAR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 8200PF 50V C0G/NP0 1206
  • In Stock:43175
$0.715/pcsRFQ
0805Y2500153MXR Image
  • Part#:0805Y2500153MXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.015UF 250V X7R 0805
  • In Stock:298922
$0.067/pcsRFQ
0805J2501P80DFT Image
  • Part#:0805J2501P80DFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1.8PF 250V C0G/NP0 0805
  • In Stock:219508
$0.086/pcsRFQ
1206Y6300562MET Image
  • Part#:1206Y6300562MET
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 5600PF 630V X7R 1206
  • In Stock:171187
$0.127/pcsRFQ
1206Y100P800HQT Image
  • Part#:1206Y100P800HQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.8PF 100V C0G/NP0 1206
  • In Stock:70357
$0.291/pcsRFQ
  • Part#:0603J2500272KXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2700PF 250V X7R 0603
  • In Stock:520120
$0.038/pcsRFQ
1812J2500391GFT Image
  • Part#:1812J2500391GFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 390PF 250V C0G/NP0 1812
  • In Stock:47955
$0.765/pcsRFQ
1808Y6300152KCR Image
  • Part#:1808Y6300152KCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1500PF 630V C0G/NP0 1808
  • In Stock:115866
$0.206/pcsRFQ
1808Y4K00470GCR Image
  • Part#:1808Y4K00470GCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 47PF 4KV C0G/NP0 1808
  • In Stock:83342
$0.236/pcsRFQ
1812Y5000270FCR Image
  • Part#:1812Y5000270FCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 27PF 500V C0G/NP0 1812
  • In Stock:33445
$0.963/pcsRFQ
0603Y2000392JXR Image
  • Part#:0603Y2000392JXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3900PF 200V X7R 0603
  • In Stock:399080
$0.056/pcsRFQ
1206J5001P40HQT Image
  • Part#:1206J5001P40HQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1.4PF 500V C0G/NP0 1206
  • In Stock:70367
$0.328/pcsRFQ
1206Y2000151JFR Image
  • Part#:1206Y2000151JFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 150PF 200V C0G/NP0 1206
  • In Stock:154036
$0.138/pcsRFQ
0603Y2008P20DCR Image
  • Part#:0603Y2008P20DCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 8.2PF 200V C0G/NP0 0603
  • In Stock:414044
$0.049/pcsRFQ
1206Y0251P80DFT Image
  • Part#:1206Y0251P80DFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1.8PF 25V C0G/NP0 1206
  • In Stock:156647
$0.12/pcsRFQ
2211JA250561JXRSPU Image
  • Part#:2211JA250561JXRSPU
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 560PF 250V X7R 2211
  • In Stock:69136
$0.452/pcsRFQ
2225J2K00333JXR Image
  • Part#:2225J2K00333JXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.033UF 2KV X7R 2225
  • In Stock:19582
$1.527/pcsRFQ
0505Y2508P20HQT Image
  • Part#:0505Y2508P20HQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 8.2PF 250V C0G/NP0 0505
  • In Stock:39966
$0.953/pcsRFQ
1206Y2000102GCT Image
  • Part#:1206Y2000102GCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1000PF 200V C0G/NP0 1206
  • In Stock:109414
$0.192/pcsRFQ
1812Y0630103JCT Image
  • Part#:1812Y0630103JCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 10000PF 63V C0G/NP0 1812
  • In Stock:81648
$0.375/pcsRFQ
1210Y1000684JXR Image
  • Part#:1210Y1000684JXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.68UF 100V X7R 1210
  • In Stock:80120
$0.485/pcsRFQ
1812J6300221JAT Image
  • Part#:1812J6300221JAT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 220PF 630V C0G/NP0 1812
  • In Stock:93373
$0.368/pcsRFQ
  • Part#:1206Y5000470GCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1206
  • In Stock:207355
$0.115/pcsRFQ
1210Y1K00121GFR Image
  • Part#:1210Y1K00121GFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 120PF 1KV C0G/NP0 1210
  • In Stock:100597
$0.376/pcsRFQ
1812J1K00391GAT Image
  • Part#:1812J1K00391GAT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 390PF 1KV C0G/NP0 1812
  • In Stock:40473
$0.753/pcsRFQ
  • Part#:0805J2506P80DCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 6.8PF 250V C0G/NP0 0805
  • In Stock:518621
$0.045/pcsRFQ
0805Y0630272FCT Image
  • Part#:0805Y0630272FCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2700PF 63V C0G/NP0 0805
  • In Stock:64207
$0.324/pcsRFQ
2225Y2500331GCR Image
  • Part#:2225Y2500331GCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 330PF 250V C0G/NP0 2225
  • In Stock:18945
$1.667/pcsRFQ
2225J0250474KXR Image
  • Part#:2225J0250474KXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.47UF 25V X7R 2225
  • In Stock:46487
$0.755/pcsRFQ
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