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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

1812J6300154KXT Image
  • Part#:1812J6300154KXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.15UF 630V X7R 1812
  • In Stock:64481
$0.574/pcsRFQ
2225J1K20560KCR Image
  • Part#:2225J1K20560KCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 56PF 1.2KV C0G/NP0 2225
  • In Stock:52156
$0.728/pcsRFQ
0603Y1000102MER Image
  • Part#:0603Y1000102MER
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1000PF 100V X7R 0603
  • In Stock:341952
$0.064/pcsRFQ
1812Y2000223KER Image
  • Part#:1812Y2000223KER
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.022UF 200V X7R 1812
  • In Stock:90763
$0.408/pcsRFQ
1206J1K51P20DCT Image
  • Part#:1206J1K51P20DCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1.2PF 1.5KV C0G/NP0 1206
  • In Stock:230248
$0.084/pcsRFQ
0505Y050P800BQT Image
  • Part#:0505Y050P800BQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.8PF 50V C0G/NP0 0505
  • In Stock:140238
$0.171/pcsRFQ
1206Y0500470JQT Image
  • Part#:1206Y0500470JQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 47PF 50V C0G/NP0 1206
  • In Stock:110770
$0.189/pcsRFQ
1206Y0630821KAT Image
  • Part#:1206Y0630821KAT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 820PF 63V C0G/NP0 1206
  • In Stock:136899
$0.139/pcsRFQ
1812J0500125JDR Image
  • Part#:1812J0500125JDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1.2UF 50V X7R 1812
  • In Stock:45436
$0.791/pcsRFQ
2220J0500821JFR Image
  • Part#:2220J0500821JFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 820PF 50V C0G/NP0 2220
  • In Stock:34789
$0.987/pcsRFQ
0805Y0630821JXR Image
  • Part#:0805Y0630821JXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 820PF 63V X7R 0805
  • In Stock:312764
$0.063/pcsRFQ
2220J0100154KXR Image
  • Part#:2220J0100154KXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.15UF 10V X7R 2220
  • In Stock:59996
$0.64/pcsRFQ
0805J3001P00HQT Image
  • Part#:0805J3001P00HQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1PF 300V C0G/NP0 0805
  • In Stock:73585
$0.268/pcsRFQ
2225J5000152JXT Image
  • Part#:2225J5000152JXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1500PF 500V X7R 2225
  • In Stock:48667
$0.754/pcsRFQ
0603J5001P00BCR Image
  • Part#:0603J5001P00BCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1PF 500V C0G/NP0 0603
  • In Stock:137304
$0.145/pcsRFQ
0603J2500271JDR Image
  • Part#:0603J2500271JDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 270PF 250V X7R 0603
  • In Stock:267219
$0.073/pcsRFQ
1206Y0251P20BCR Image
  • Part#:1206Y0251P20BCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1.2PF 25V C0G/NP0 1206
  • In Stock:86551
$0.25/pcsRFQ
1808J1K08P20DFR Image
  • Part#:1808J1K08P20DFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 8.2PF 1KV C0G/NP0 1808
  • In Stock:81786
$0.287/pcsRFQ
0505J0632P40BQT Image
  • Part#:0505J0632P40BQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2.4PF 63V C0G/NP0 0505
  • In Stock:82450
$0.256/pcsRFQ
2220Y0630393KDR Image
  • Part#:2220Y0630393KDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.039UF 63V X7R 2220
  • In Stock:30420
$0.991/pcsRFQ
1210Y1000272JCR Image
  • Part#:1210Y1000272JCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2700PF 100V C0G/NP0 1210
  • In Stock:109281
$0.185/pcsRFQ
0505Y2502P70CQT Image
  • Part#:0505Y2502P70CQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2.7PF 250V C0G/NP0 0505
  • In Stock:102554
$0.188/pcsRFQ
1808Y0630272GCT Image
  • Part#:1808Y0630272GCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2700PF 63V C0G/NP0 1808
  • In Stock:106333
$0.202/pcsRFQ
0603J0250151JDT Image
  • Part#:0603J0250151JDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 150PF 25V X7R 0603
  • In Stock:269806
$0.081/pcsRFQ
1825J1000393MXT Image
  • Part#:1825J1000393MXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.039UF 100V X7R 1825
  • In Stock:56031
$0.682/pcsRFQ
2220J0160121JCT Image
  • Part#:2220J0160121JCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 120PF 16V C0G/NP0 2220
  • In Stock:45276
$0.733/pcsRFQ
0603Y0160120FFT Image
  • Part#:0603Y0160120FFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 12PF 16V C0G/NP0 0603
  • In Stock:86327
$0.361/pcsRFQ
1812Y2K50561KCR Image
  • Part#:1812Y2K50561KCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 560PF 2.5KV C0G/NP0 1812
  • In Stock:75564
$0.418/pcsRFQ
1808JA250121KCTSY2 Image
  • Part#:1808JA250121KCTSY2
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 120PF 250V C0G/NP0 1808
  • In Stock:76541
$0.268/pcsRFQ
0603Y300P100DQT Image
  • Part#:0603Y300P100DQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.1PF 300V C0G/NP0 0603
  • In Stock:243065
$0.081/pcsRFQ
2220Y0630151JCT Image
  • Part#:2220Y0630151JCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 150PF 63V C0G/NP0 2220
  • In Stock:34994
$0.864/pcsRFQ
0603J5000331JXT Image
  • Part#:0603J5000331JXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 330PF 500V X7R 0603
  • In Stock:401540
$0.052/pcsRFQ
0603Y2501P80CFT Image
  • Part#:0603Y2501P80CFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1.8PF 250V C0G/NP0 0603
  • In Stock:213749
$0.105/pcsRFQ
1210J0254P70CFR Image
  • Part#:1210J0254P70CFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 4.7PF 25V C0G/NP0 1210
  • In Stock:71402
$0.336/pcsRFQ
1812J2000822KFT Image
  • Part#:1812J2000822KFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 8200PF 200V C0G/NP0 1812
  • In Stock:72927
$0.541/pcsRFQ
1812Y0500103GFT Image
  • Part#:1812Y0500103GFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 10000PF 50V C0G/NP0 1812
  • In Stock:35989
$0.941/pcsRFQ
0603Y2000121MDT Image
  • Part#:0603Y2000121MDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 120PF 200V X7R 0603
  • In Stock:315338
$0.06/pcsRFQ
2225Y2000150FCR Image
  • Part#:2225Y2000150FCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 15PF 200V C0G/NP0 2225
  • In Stock:11853
$3.185/pcsRFQ
0603Y2500101KDT Image
  • Part#:0603Y2500101KDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 100PF 250V X7R 0603
  • In Stock:313930
$0.065/pcsRFQ
  • Part#:0603J1009P10CQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 9.1PF 100V C0G/NP0 0603
  • In Stock:147776
$0.148/pcsRFQ
1206Y0634P30BQT Image
  • Part#:1206Y0634P30BQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 4.3PF 63V C0G/NP0 1206
  • In Stock:62814
$0.342/pcsRFQ
1812J0630560JCR Image
  • Part#:1812J0630560JCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 56PF 63V C0G/NP0 1812
  • In Stock:96189
$0.242/pcsRFQ
2220J6300332KCT Image
  • Part#:2220J6300332KCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3300PF 630V C0G/NP0 2220
  • In Stock:70993
$0.543/pcsRFQ
1812J0250105JXR Image
  • Part#:1812J0250105JXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1UF 25V X7R 1812
  • In Stock:79114
$0.458/pcsRFQ
2225Y1K50820FCT Image
  • Part#:2225Y1K50820FCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 82PF 1.5KV C0G/NP0 2225
  • In Stock:15962
$2.447/pcsRFQ
1812Y0250331FCR Image
  • Part#:1812Y0250331FCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 330PF 25V C0G/NP0 1812
  • In Stock:37121
$0.98/pcsRFQ
1206Y0500121KAT Image
  • Part#:1206Y0500121KAT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 120PF 50V C0G/NP0 1206
  • In Stock:163051
$0.129/pcsRFQ
1210Y2005P60DAT Image
  • Part#:1210Y2005P60DAT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 5.6PF 200V C0G/NP0 1210
  • In Stock:63972
$0.324/pcsRFQ
1825J0250155JXT Image
  • Part#:1825J0250155JXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1.5UF 25V X7R 1825
  • In Stock:35245
$1.083/pcsRFQ
1808Y0160121KFR Image
  • Part#:1808Y0160121KFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 120PF 16V C0G/NP0 1808
  • In Stock:144414
$0.167/pcsRFQ
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