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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

1808Y0160274JDT Image
  • Part#:1808Y0160274JDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.27UF 16V X7R 1808
  • In Stock:80971
$0.43/pcsRFQ
1111J6300391JQT Image
  • Part#:1111J6300391JQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 390PF 630V C0G/NP0 1111
  • In Stock:76598
$0.456/pcsRFQ
1210Y1000471KAT Image
  • Part#:1210Y1000471KAT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 470PF 100V C0G/NP0 1210
  • In Stock:83146
$0.252/pcsRFQ
1210J1006P80DCT Image
  • Part#:1210J1006P80DCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 6.8PF 100V C0G/NP0 1210
  • In Stock:93832
$0.213/pcsRFQ
1206J2000360KQT Image
  • Part#:1206J2000360KQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 36PF 200V C0G/NP0 1206
  • In Stock:129183
$0.18/pcsRFQ
1812Y0500271KCR Image
  • Part#:1812Y0500271KCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 270PF 50V C0G/NP0 1812
  • In Stock:71213
$0.276/pcsRFQ
1206Y2500270FCT Image
  • Part#:1206Y2500270FCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 27PF 250V C0G/NP0 1206
  • In Stock:79495
$0.3/pcsRFQ
2220Y5K00150GCR Image
  • Part#:2220Y5K00150GCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 15PF 5KV C0G/NP0 2220
  • In Stock:63714
$0.543/pcsRFQ
0805J2000681JDT Image
  • Part#:0805J2000681JDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 680PF 200V X7R 0805
  • In Stock:190834
$0.116/pcsRFQ
2220J2K00821JXR Image
  • Part#:2220J2K00821JXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 820PF 2KV X7R 2220
  • In Stock:53215
$0.569/pcsRFQ
1808J2K00151KCR Image
  • Part#:1808J2K00151KCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 150PF 2KV C0G/NP0 1808
  • In Stock:157395
$0.153/pcsRFQ
0603J0252P70CFR Image
  • Part#:0603J0252P70CFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2.7PF 25V C0G/NP0 0603
  • In Stock:267757
$0.089/pcsRFQ
1812Y1K00391MXR Image
  • Part#:1812Y1K00391MXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 390PF 1KV X7R 1812
  • In Stock:89827
$0.269/pcsRFQ
2220Y1K20560JCT Image
  • Part#:2220Y1K20560JCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 56PF 1.2KV C0G/NP0 2220
  • In Stock:68666
$0.56/pcsRFQ
1206J0500181JCT Image
  • Part#:1206J0500181JCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 180PF 50V C0G/NP0 1206
  • In Stock:216263
$0.087/pcsRFQ
1812Y5000391KCT Image
  • Part#:1812Y5000391KCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 390PF 500V C0G/NP0 1812
  • In Stock:64611
$0.294/pcsRFQ
1210Y1K00330JFT Image
  • Part#:1210Y1K00330JFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 33PF 1KV C0G/NP0 1210
  • In Stock:95567
$0.2/pcsRFQ
1812Y0500563JCR Image
  • Part#:1812Y0500563JCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.056UF 50V C0G/NP0 1812
  • In Stock:47803
$0.812/pcsRFQ
2225J4K00821FCR Image
  • Part#:2225J4K00821FCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 820PF 4KV C0G/NP0 2225
  • In Stock:14067
$2.392/pcsRFQ
1808YA250390KCRSPU Image
  • Part#:1808YA250390KCRSPU
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 39PF 250V C0G/NP0 1808
  • In Stock:121859
$0.192/pcsRFQ
1206J2500560FFT Image
  • Part#:1206J2500560FFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 56PF 250V C0G/NP0 1206
  • In Stock:81270
$0.427/pcsRFQ
1206Y0500123MXR Image
  • Part#:1206Y0500123MXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.012UF 50V X7R 1206
  • In Stock:302517
$0.075/pcsRFQ
  • Part#:2220Y0500150KCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2220
  • In Stock:51703
$0.679/pcsRFQ
1210J6300222MXR Image
  • Part#:1210J6300222MXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2200PF 630V X7R 1210
  • In Stock:213656
$0.109/pcsRFQ
1206J0630333JXT Image
  • Part#:1206J0630333JXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.033UF 63V X7R 1206
  • In Stock:205541
$0.104/pcsRFQ
2220Y2500560GCR Image
  • Part#:2220Y2500560GCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 56PF 250V C0G/NP0 2220
  • In Stock:21973
$1.492/pcsRFQ
1812Y1000821KCR Image
  • Part#:1812Y1000821KCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 820PF 100V C0G/NP0 1812
  • In Stock:64952
$0.293/pcsRFQ
1812J1K00181KAT Image
  • Part#:1812J1K00181KAT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 180PF 1KV C0G/NP0 1812
  • In Stock:83743
$0.376/pcsRFQ
1808Y0630152JCT Image
  • Part#:1808Y0630152JCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1500PF 63V C0G/NP0 1808
  • In Stock:176011
$0.129/pcsRFQ
1808Y1K20331GCT Image
  • Part#:1808Y1K20331GCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 330PF 1.2KV C0G/NP0 1808
  • In Stock:75011
$0.312/pcsRFQ
0805J0630470FFT Image
  • Part#:0805J0630470FFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 47PF 63V C0G/NP0 0805
  • In Stock:74616
$0.276/pcsRFQ
2225J0100223JXR Image
  • Part#:2225J0100223JXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.022UF 10V X7R 2225
  • In Stock:37789
$0.793/pcsRFQ
0805Y5000820KCR Image
  • Part#:0805Y5000820KCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 82PF 500V C0G/NP0 0805
  • In Stock:447327
$0.049/pcsRFQ
1210Y2500560FFT Image
  • Part#:1210Y2500560FFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 56PF 250V C0G/NP0 1210
  • In Stock:42149
$0.924/pcsRFQ
0805J0500471GAT Image
  • Part#:0805J0500471GAT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 470PF 50V C0G/NP0 0805
  • In Stock:137824
$0.147/pcsRFQ
1812Y2000564KXR Image
  • Part#:1812Y2000564KXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.56UF 200V X7R 1812
  • In Stock:51827
$0.705/pcsRFQ
2220J0630123KDT Image
  • Part#:2220J0630123KDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.012UF 63V X7R 2220
  • In Stock:41655
$0.883/pcsRFQ
2225J4K00120KCR Image
  • Part#:2225J4K00120KCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 12PF 4KV C0G/NP0 2225
  • In Stock:97972
$0.38/pcsRFQ
1808Y1K20181KCR Image
  • Part#:1808Y1K20181KCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 180PF 1.2KV C0G/NP0 1808
  • In Stock:153635
$0.137/pcsRFQ
2220Y6300471KXR Image
  • Part#:2220Y6300471KXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 470PF 630V X7R 2220
  • In Stock:75538
$0.505/pcsRFQ
2220Y5000470FFT Image
  • Part#:2220Y5000470FFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 47PF 500V C0G/NP0 2220
  • In Stock:11544
$3.3/pcsRFQ
2220Y0160123JCT Image
  • Part#:2220Y0160123JCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.012UF 16V C0G/NP0 2220
  • In Stock:40203
$0.86/pcsRFQ
1206Y0160560JCR Image
  • Part#:1206Y0160560JCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 56PF 16V C0G/NP0 1206
  • In Stock:295631
$0.08/pcsRFQ
0505Y1005P10CQT Image
  • Part#:0505Y1005P10CQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 5.1PF 100V C0G/NP0 0505
  • In Stock:114377
$0.188/pcsRFQ
1808Y0630270FFR Image
  • Part#:1808Y0630270FFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 27PF 63V C0G/NP0 1808
  • In Stock:56955
$0.54/pcsRFQ
0805Y0500620FQT Image
  • Part#:0805Y0500620FQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 62PF 50V C0G/NP0 0805
  • In Stock:58141
$0.615/pcsRFQ
1825Y2500561JCR Image
  • Part#:1825Y2500561JCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 560PF 250V C0G/NP0 1825
  • In Stock:39033
$0.874/pcsRFQ
2215JA250821FCRSPU Image
  • Part#:2215JA250821FCRSPU
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 820PF 250V C0G/NP0 2215
  • In Stock:8308
$3.771/pcsRFQ
1825J5000330GCT Image
  • Part#:1825J5000330GCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 33PF 500V C0G/NP0 1825
  • In Stock:30310
$1.077/pcsRFQ
2225Y0500125MXR Image
  • Part#:2225Y0500125MXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1.2UF 50V X7R 2225
  • In Stock:34374
$0.937/pcsRFQ
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