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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

1808Y2500391JCT Image
  • Part#:1808Y2500391JCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 390PF 250V C0G/NP0 1808
  • In Stock:146759
$0.144/pcsRFQ
0805Y0160392KCR Image
  • Part#:0805Y0160392KCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3900PF 16V C0G/NP0 0805
  • In Stock:268406
$0.089/pcsRFQ
1812J2000120JAR Image
  • Part#:1812J2000120JAR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 12PF 200V C0G/NP0 1812
  • In Stock:90711
$0.43/pcsRFQ
1825Y2K50332KXR Image
  • Part#:1825Y2K50332KXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3300PF 2.5KV X7R 1825
  • In Stock:42716
$0.734/pcsRFQ
0805Y0630121FFT Image
  • Part#:0805Y0630121FFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 120PF 63V C0G/NP0 0805
  • In Stock:81874
$0.291/pcsRFQ
1808J1K00390JDT Image
  • Part#:1808J1K00390JDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 39PF 1KV X7R 1808
  • In Stock:87052
$0.232/pcsRFQ
2225J6300154MXT Image
  • Part#:2225J6300154MXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.15UF 630V X7R 2225
  • In Stock:54941
$0.636/pcsRFQ
0603J2500390JQT Image
  • Part#:0603J2500390JQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 39PF 250V C0G/NP0 0603
  • In Stock:181904
$0.128/pcsRFQ
1808Y0250151JDT Image
  • Part#:1808Y0250151JDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 150PF 25V X7R 1808
  • In Stock:107802
$0.191/pcsRFQ
2220J1K50101KCT Image
  • Part#:2220J1K50101KCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 100PF 1.5KV C0G/NP0 2220
  • In Stock:74681
$0.478/pcsRFQ
2225Y1K50821MXT Image
  • Part#:2225Y1K50821MXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 820PF 1.5KV X7R 2225
  • In Stock:64450
$0.594/pcsRFQ
0805Y0501P20BAR Image
  • Part#:0805Y0501P20BAR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1.2PF 50V C0G/NP0 0805
  • In Stock:90929
$0.259/pcsRFQ
2225Y5K00820JCT Image
  • Part#:2225Y5K00820JCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 82PF 5KV C0G/NP0 2225
  • In Stock:59252
$0.513/pcsRFQ
1825J6300152JXT Image
  • Part#:1825J6300152JXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1500PF 630V X7R 1825
  • In Stock:52352
$0.704/pcsRFQ
1206J0250152JDT Image
  • Part#:1206J0250152JDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1500PF 25V X7R 1206
  • In Stock:158255
$0.136/pcsRFQ
1210J0635P60DAT Image
  • Part#:1210J0635P60DAT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 5.6PF 63V C0G/NP0 1210
  • In Stock:63531
$0.31/pcsRFQ
1206J0160332KCR Image
  • Part#:1206J0160332KCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3300PF 16V C0G/NP0 1206
  • In Stock:199314
$0.111/pcsRFQ
1825Y0160102JCR Image
  • Part#:1825Y0160102JCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1000PF 16V C0G/NP0 1825
  • In Stock:38026
$0.818/pcsRFQ
1808J0630222KXR Image
  • Part#:1808J0630222KXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2200PF 63V X7R 1808
  • In Stock:186447
$0.127/pcsRFQ
1812Y0500333KXT Image
  • Part#:1812Y0500333KXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.033UF 50V X7R 1812
  • In Stock:60480
$0.313/pcsRFQ
2220J1000472FFR Image
  • Part#:2220J1000472FFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 4700PF 100V C0G/NP0 2220
  • In Stock:10253
$3.552/pcsRFQ
2220J1000562JCR Image
  • Part#:2220J1000562JCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 5600PF 100V C0G/NP0 2220
  • In Stock:47305
$0.661/pcsRFQ
1812J0500560KCT Image
  • Part#:1812J0500560KCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 56PF 50V C0G/NP0 1812
  • In Stock:90909
$0.265/pcsRFQ
0805J0630273MXR Image
  • Part#:0805J0630273MXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.027UF 63V X7R 0805
  • In Stock:331807
$0.059/pcsRFQ
2225J0160184FCR Image
  • Part#:2225J0160184FCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.18UF 16V C0G/NP0 2225
  • In Stock:6401
$5.667/pcsRFQ
1812J0630121KFR Image
  • Part#:1812J0630121KFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 120PF 63V C0G/NP0 1812
  • In Stock:54405
$0.356/pcsRFQ
2220J0100272KCR Image
  • Part#:2220J0100272KCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2700PF 10V C0G/NP0 2220
  • In Stock:61398
$0.622/pcsRFQ
1808JA250821FCRSPU Image
  • Part#:1808JA250821FCRSPU
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 820PF 250V C0G/NP0 1808
  • In Stock:29102
$1.167/pcsRFQ
0805J0250103JDR Image
  • Part#:0805J0250103JDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 10000PF 25V X7R 0805
  • In Stock:239963
$0.096/pcsRFQ
2220Y5K00121KCT Image
  • Part#:2220Y5K00121KCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 120PF 5KV C0G/NP0 2220
  • In Stock:94389
$0.379/pcsRFQ
1206J0101P50DCR Image
  • Part#:1206J0101P50DCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1.5PF 10V C0G/NP0 1206
  • In Stock:285849
$0.079/pcsRFQ
0603Y2503P60HUT Image
  • Part#:0603Y2503P60HUT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3.6PF 250V C0G/NP0 0603
  • In Stock:71258
$0.315/pcsRFQ
1812J1K00560GFT Image
  • Part#:1812J1K00560GFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 56PF 1KV C0G/NP0 1812
  • In Stock:61100
$0.541/pcsRFQ
1210J0500102FFT Image
  • Part#:1210J0500102FFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1000PF 50V C0G/NP0 1210
  • In Stock:38605
$0.866/pcsRFQ
1825Y1000150KCR Image
  • Part#:1825Y1000150KCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 15PF 100V C0G/NP0 1825
  • In Stock:44113
$0.822/pcsRFQ
1210Y1000331KAT Image
  • Part#:1210Y1000331KAT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 330PF 100V C0G/NP0 1210
  • In Stock:92732
$0.244/pcsRFQ
1812Y0630100KAR Image
  • Part#:1812Y0630100KAR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 10PF 63V C0G/NP0 1812
  • In Stock:85045
$0.415/pcsRFQ
1812Y1K00822MDR Image
  • Part#:1812Y1K00822MDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 8200PF 1KV X7R 1812
  • In Stock:98610
$0.389/pcsRFQ
1206Y5000681MDR Image
  • Part#:1206Y5000681MDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 680PF 500V X7R 1206
  • In Stock:227597
$0.088/pcsRFQ
1206J2001P00DCT Image
  • Part#:1206J2001P00DCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1PF 200V C0G/NP0 1206
  • In Stock:269489
$0.08/pcsRFQ
1808Y0630563KDR Image
  • Part#:1808Y0630563KDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.056UF 63V X7R 1808
  • In Stock:127670
$0.189/pcsRFQ
0805Y5004P30BQT Image
  • Part#:0805Y5004P30BQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 4.3PF 500V C0G/NP0 0805
  • In Stock:97085
$0.245/pcsRFQ
1812Y2000124JDT Image
  • Part#:1812Y2000124JDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.12UF 200V X7R 1812
  • In Stock:56817
$0.665/pcsRFQ
0603Y1000183JXT Image
  • Part#:0603Y1000183JXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.018UF 100V X7R 0603
  • In Stock:309847
$0.061/pcsRFQ
2220J5K00101JCR Image
  • Part#:2220J5K00101JCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 100PF 5KV C0G/NP0 2220
  • In Stock:68902
$0.323/pcsRFQ
1812J5000272FCR Image
  • Part#:1812J5000272FCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2700PF 500V C0G/NP0 1812
  • In Stock:50354
$0.681/pcsRFQ
2220J2000392FCT Image
  • Part#:2220J2000392FCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3900PF 200V C0G/NP0 2220
  • In Stock:12505
$2.598/pcsRFQ
0505Y2500750JQT Image
  • Part#:0505Y2500750JQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 75PF 250V C0G/NP0 0505
  • In Stock:68546
$0.333/pcsRFQ
2220Y0250395JDT Image
  • Part#:2220Y0250395JDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3.9UF 25V X7R 2220
  • In Stock:15629
$2.17/pcsRFQ
1210J1K00122JDR Image
  • Part#:1210J1K00122JDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1200PF 1KV X7R 1210
  • In Stock:105371
$0.22/pcsRFQ
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