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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

2220J1K20473JXR Image
  • Part#:2220J1K20473JXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.047UF 1.2KV X7R 2220
  • In Stock:32250
$0.988/pcsRFQ
1206J0630151MDT Image
  • Part#:1206J0630151MDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 150PF 63V X7R 1206
  • In Stock:186651
$0.107/pcsRFQ
0805J0630330FFT Image
  • Part#:0805J0630330FFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 33PF 63V C0G/NP0 0805
  • In Stock:87387
$0.276/pcsRFQ
1825J2K00122FCT Image
  • Part#:1825J2K00122FCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1200PF 2KV C0G/NP0 1825
  • In Stock:10398
$3.111/pcsRFQ
1206Y0632P70CAR Image
  • Part#:1206Y0632P70CAR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2.7PF 63V C0G/NP0 1206
  • In Stock:140297
$0.167/pcsRFQ
1808J0160271KCT Image
  • Part#:1808J0160271KCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 270PF 16V C0G/NP0 1808
  • In Stock:154143
$0.123/pcsRFQ
1808Y1K05P60CCR Image
  • Part#:1808Y1K05P60CCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 5.6PF 1KV C0G/NP0 1808
  • In Stock:107205
$0.205/pcsRFQ
0805Y1501P80DQT Image
  • Part#:0805Y1501P80DQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1.8PF 150V C0G/NP0 0805
  • In Stock:126627
$0.165/pcsRFQ
2220J6300102JXT Image
  • Part#:2220J6300102JXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1000PF 630V X7R 2220
  • In Stock:68126
$0.557/pcsRFQ
0505Y0505P10DQT Image
  • Part#:0505Y0505P10DQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 5.1PF 50V C0G/NP0 0505
  • In Stock:119583
$0.163/pcsRFQ
1812Y1K50221GCR Image
  • Part#:1812Y1K50221GCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 220PF 1.5KV C0G/NP0 1812
  • In Stock:64758
$0.466/pcsRFQ
1812Y5000471FFT Image
  • Part#:1812Y5000471FFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 470PF 500V C0G/NP0 1812
  • In Stock:35432
$1.064/pcsRFQ
0603Y0630121FAR Image
  • Part#:0603Y0630121FAR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 120PF 63V C0G/NP0 0603
  • In Stock:77682
$0.263/pcsRFQ
  • Part#:1825J6300272KCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1825
  • In Stock:59908
$0.523/pcsRFQ
0805Y0250823MXR Image
  • Part#:0805Y0250823MXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.082UF 25V X7R 0805
  • In Stock:264961
$0.076/pcsRFQ
2225J5K00181GCT Image
  • Part#:2225J5K00181GCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 180PF 5KV C0G/NP0 2225
  • In Stock:44863
$0.777/pcsRFQ
1206Y2000473KXT Image
  • Part#:1206Y2000473KXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.047UF 200V X7R 1206
  • In Stock:134460
$0.168/pcsRFQ
1111J2506P80BQT Image
  • Part#:1111J2506P80BQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 6.8PF 250V C0G/NP0 1111
  • In Stock:49808
$0.695/pcsRFQ
0805J063P500HQT Image
  • Part#:0805J063P500HQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.5PF 63V C0G/NP0 0805
  • In Stock:67845
$0.287/pcsRFQ
1111Y300P600DQT Image
  • Part#:1111Y300P600DQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.6PF 300V C0G/NP0 1111
  • In Stock:88298
$0.27/pcsRFQ
0603Y2001P50BAT Image
  • Part#:0603Y2001P50BAT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1.5PF 200V C0G/NP0 0603
  • In Stock:86722
$0.231/pcsRFQ
2220Y1K00100GCR Image
  • Part#:2220Y1K00100GCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 10PF 1KV C0G/NP0 2220
  • In Stock:39732
$0.949/pcsRFQ
1206Y0160681FFT Image
  • Part#:1206Y0160681FFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 680PF 16V C0G/NP0 1206
  • In Stock:64728
$0.484/pcsRFQ
1210Y1000180FCT Image
  • Part#:1210Y1000180FCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 18PF 100V C0G/NP0 1210
  • In Stock:54659
$0.592/pcsRFQ
  • Part#:2220J0160274KXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2220
  • In Stock:50519
$0.591/pcsRFQ
1812Y1K00183JDR Image
  • Part#:1812Y1K00183JDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.018UF 1KV X7R 1812
  • In Stock:57449
$0.582/pcsRFQ
1812J0250474JXT Image
  • Part#:1812J0250474JXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.47UF 25V X7R 1812
  • In Stock:92446
$0.415/pcsRFQ
2225Y5000472KCR Image
  • Part#:2225Y5000472KCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 4700PF 500V C0G/NP0 2225
  • In Stock:40071
$0.761/pcsRFQ
1808JA250680GCTSP Image
  • Part#:1808JA250680GCTSP
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 68PF 250V C0G/NP0 1808
  • In Stock:91027
$0.388/pcsRFQ
1210J1000271FAT Image
  • Part#:1210J1000271FAT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 270PF 100V C0G/NP0 1210
  • In Stock:37019
$0.848/pcsRFQ
  • Part#:0805Y0250471JFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 470PF 25V C0G/NP0 0805
  • In Stock:293797
$0.073/pcsRFQ
1206J0500562KFR Image
  • Part#:1206J0500562KFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 5600PF 50V C0G/NP0 1206
  • In Stock:164870
$0.135/pcsRFQ
0603Y1003P30CAR Image
  • Part#:0603Y1003P30CAR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3.3PF 100V C0G/NP0 0603
  • In Stock:215331
$0.105/pcsRFQ
2220Y0500274JDR Image
  • Part#:2220Y0500274JDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.27UF 50V X7R 2220
  • In Stock:24130
$1.321/pcsRFQ
2225J2K50222MXR Image
  • Part#:2225J2K50222MXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2200PF 2.5KV X7R 2225
  • In Stock:50273
$0.729/pcsRFQ
1206J1K20822JXR Image
  • Part#:1206J1K20822JXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 8200PF 1.2KV X7R 1206
  • In Stock:127937
$0.185/pcsRFQ
1206Y1000332JXT Image
  • Part#:1206Y1000332JXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3300PF 100V X7R 1206
  • In Stock:197311
$0.096/pcsRFQ
1206J5000680GAR Image
  • Part#:1206J5000680GAR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 68PF 500V C0G/NP0 1206
  • In Stock:97743
$0.205/pcsRFQ
1808J6300221FCR Image
  • Part#:1808J6300221FCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 220PF 630V C0G/NP0 1808
  • In Stock:55752
$0.539/pcsRFQ
2220Y2500564JXR Image
  • Part#:2220Y2500564JXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.56UF 250V X7R 2220
  • In Stock:30605
$1.099/pcsRFQ
1206Y1000152FQT Image
  • Part#:1206Y1000152FQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1500PF 100V C0G/NP0 1206
  • In Stock:31816
$1.088/pcsRFQ
1206Y0630152FFR Image
  • Part#:1206Y0630152FFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1500PF 63V C0G/NP0 1206
  • In Stock:64205
$0.486/pcsRFQ
1206J6300120GCR Image
  • Part#:1206J6300120GCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 12PF 630V C0G/NP0 1206
  • In Stock:136689
$0.139/pcsRFQ
1812Y5000100KCR Image
  • Part#:1812Y5000100KCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 10PF 500V C0G/NP0 1812
  • In Stock:73539
$0.263/pcsRFQ
1808J2500560GFR Image
  • Part#:1808J2500560GFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 56PF 250V C0G/NP0 1808
  • In Stock:74120
$0.274/pcsRFQ
0603Y1000121KXT Image
  • Part#:0603Y1000121KXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 120PF 100V X7R 0603
  • In Stock:479360
$0.049/pcsRFQ
0805Y2500680KCT Image
  • Part#:0805Y2500680KCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 68PF 250V C0G/NP0 0805
  • In Stock:361188
$0.063/pcsRFQ
1206J6300470KCR Image
  • Part#:1206J6300470KCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 47PF 630V C0G/NP0 1206
  • In Stock:295001
$0.074/pcsRFQ
0805Y6300181JXT Image
  • Part#:0805Y6300181JXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 180PF 630V X7R 0805
  • In Stock:272597
$0.076/pcsRFQ
1808J2500152FCT Image
  • Part#:1808J2500152FCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1500PF 250V C0G/NP0 1808
  • In Stock:66529
$0.493/pcsRFQ
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