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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

1808Y0630564JXT Image
  • Part#:1808Y0630564JXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.56UF 63V X7R 1808
  • In Stock:76748
$0.273/pcsRFQ
1206J6308P20BQT Image
  • Part#:1206J6308P20BQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 8.2PF 630V C0G/NP0 1206
  • In Stock:65036
$0.502/pcsRFQ
1206J2501P00CFR Image
  • Part#:1206J2501P00CFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1PF 250V C0G/NP0 1206
  • In Stock:156220
$0.153/pcsRFQ
2225J0630562GCR Image
  • Part#:2225J0630562GCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 5600PF 63V C0G/NP0 2225
  • In Stock:20807
$1.547/pcsRFQ
1812Y5000333JXR Image
  • Part#:1812Y5000333JXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.033UF 500V X7R 1812
  • In Stock:75201
$0.302/pcsRFQ
1111Y2502P10BQT Image
  • Part#:1111Y2502P10BQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2.1PF 250V C0G/NP0 1111
  • In Stock:72610
$0.282/pcsRFQ
1825J0500563GCR Image
  • Part#:1825J0500563GCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.056UF 50V C0G/NP0 1825
  • In Stock:18403
$1.93/pcsRFQ
1812Y1K50820FCT Image
  • Part#:1812Y1K50820FCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 82PF 1.5KV C0G/NP0 1812
  • In Stock:42414
$0.868/pcsRFQ
1206Y0100331GCT Image
  • Part#:1206Y0100331GCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 330PF 10V C0G/NP0 1206
  • In Stock:147111
$0.157/pcsRFQ
1210Y0250394JDR Image
  • Part#:1210Y0250394JDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.39UF 25V X7R 1210
  • In Stock:90176
$0.369/pcsRFQ
1210Y1000390FCT Image
  • Part#:1210Y1000390FCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 39PF 100V C0G/NP0 1210
  • In Stock:60329
$0.585/pcsRFQ
1206Y1K50561MXT Image
  • Part#:1206Y1K50561MXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 560PF 1.5KV X7R 1206
  • In Stock:269122
$0.078/pcsRFQ
0805Y5000120FFT Image
  • Part#:0805Y5000120FFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 12PF 500V C0G/NP0 0805
  • In Stock:79767
$0.278/pcsRFQ
1808J0160471JFR Image
  • Part#:1808J0160471JFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 470PF 16V C0G/NP0 1808
  • In Stock:133710
$0.169/pcsRFQ
1206J1500471JQT Image
  • Part#:1206J1500471JQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 470PF 150V C0G/NP0 1206
  • In Stock:66816
$0.289/pcsRFQ
1825J0630273MXR Image
  • Part#:1825J0630273MXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.027UF 63V X7R 1825
  • In Stock:57537
$0.651/pcsRFQ
1812Y0250391KFT Image
  • Part#:1812Y0250391KFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 390PF 25V C0G/NP0 1812
  • In Stock:72321
$0.442/pcsRFQ
1808Y0160104JXT Image
  • Part#:1808Y0160104JXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.1UF 16V X7R 1808
  • In Stock:109189
$0.197/pcsRFQ
1210J0160683JXR Image
  • Part#:1210J0160683JXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.068UF 16V X7R 1210
  • In Stock:107231
$0.178/pcsRFQ
1210Y1K00120JCT Image
  • Part#:1210Y1K00120JCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 12PF 1KV C0G/NP0 1210
  • In Stock:147877
$0.132/pcsRFQ
2220J1K00332GFR Image
  • Part#:2220J1K00332GFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3300PF 1KV C0G/NP0 2220
  • In Stock:22301
$1.611/pcsRFQ
2225Y5000271JFT Image
  • Part#:2225Y5000271JFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 270PF 500V C0G/NP0 2225
  • In Stock:31444
$1.193/pcsRFQ
2220Y0160154JDT Image
  • Part#:2220Y0160154JDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.15UF 16V X7R 2220
  • In Stock:24315
$1.369/pcsRFQ
1808J4K00331KXR Image
  • Part#:1808J4K00331KXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 330PF 4KV X7R 1808
  • In Stock:146799
$0.158/pcsRFQ
2220J0160124KFR Image
  • Part#:2220J0160124KFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.12UF 16V C0G/NP0 2220
  • In Stock:23085
$1.578/pcsRFQ
2220Y2000470KFT Image
  • Part#:2220Y2000470KFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 47PF 200V C0G/NP0 2220
  • In Stock:23948
$1.26/pcsRFQ
1825Y6300120JCR Image
  • Part#:1825Y6300120JCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 12PF 630V C0G/NP0 1825
  • In Stock:57513
$0.642/pcsRFQ
1206Y2009P10CQT Image
  • Part#:1206Y2009P10CQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 9.1PF 200V C0G/NP0 1206
  • In Stock:65947
$0.297/pcsRFQ
1206J2000222JCT Image
  • Part#:1206J2000222JCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2200PF 200V C0G/NP0 1206
  • In Stock:144167
$0.142/pcsRFQ
1825Y5K00391KCR Image
  • Part#:1825Y5K00391KCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 390PF 5KV C0G/NP0 1825
  • In Stock:74804
$0.448/pcsRFQ
1808Y0630183JXT Image
  • Part#:1808Y0630183JXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.018UF 63V X7R 1808
  • In Stock:108199
$0.181/pcsRFQ
1808J0250272KXR Image
  • Part#:1808J0250272KXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2700PF 25V X7R 1808
  • In Stock:174132
$0.111/pcsRFQ
1812Y2000274MDT Image
  • Part#:1812Y2000274MDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.27UF 200V X7R 1812
  • In Stock:49221
$0.656/pcsRFQ
0805J0502P20DAR Image
  • Part#:0805J0502P20DAR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2.2PF 50V C0G/NP0 0805
  • In Stock:288559
$0.076/pcsRFQ
1206Y6301P90HQT Image
  • Part#:1206Y6301P90HQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1.9PF 630V C0G/NP0 1206
  • In Stock:68060
$0.33/pcsRFQ
2220J2K50471FCT Image
  • Part#:2220J2K50471FCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 470PF 2.5KV C0G/NP0 2220
  • In Stock:17116
$2.076/pcsRFQ
1210Y1000182GAR Image
  • Part#:1210Y1000182GAR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1800PF 100V C0G/NP0 1210
  • In Stock:70141
$0.488/pcsRFQ
1206Y1000122JFR Image
  • Part#:1206Y1000122JFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1200PF 100V C0G/NP0 1206
  • In Stock:145196
$0.16/pcsRFQ
1210J0630101JFT Image
  • Part#:1210J0630101JFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 100PF 63V C0G/NP0 1210
  • In Stock:91589
$0.251/pcsRFQ
1210J2500393JDR Image
  • Part#:1210J2500393JDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.039UF 250V X7R 1210
  • In Stock:68537
$0.319/pcsRFQ
2220J2K00223MXT Image
  • Part#:2220J2K00223MXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.022UF 2KV X7R 2220
  • In Stock:52020
$0.643/pcsRFQ
2220Y2K00121GCR Image
  • Part#:2220Y2K00121GCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 120PF 2KV C0G/NP0 2220
  • In Stock:36284
$1.031/pcsRFQ
1206J5000181KQT Image
  • Part#:1206J5000181KQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 180PF 500V C0G/NP0 1206
  • In Stock:88644
$0.222/pcsRFQ
  • Part#:1825Y0500334KXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1825
  • In Stock:54291
$0.691/pcsRFQ
2220Y1K00104KDT Image
  • Part#:2220Y1K00104KDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.1UF 1KV X7R 2220
  • In Stock:33811
$1.132/pcsRFQ
1111J2K0P300DQT Image
  • Part#:1111J2K0P300DQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.3PF 2KV C0G/NP0 1111
  • In Stock:71628
$0.277/pcsRFQ
1210Y1000181FAT Image
  • Part#:1210Y1000181FAT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 180PF 100V C0G/NP0 1210
  • In Stock:43218
$0.882/pcsRFQ
0603Y5000180JCT Image
  • Part#:0603Y5000180JCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 18PF 500V C0G/NP0 0603
  • In Stock:366502
$0.058/pcsRFQ
1808J0500684KXR Image
  • Part#:1808J0500684KXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.68UF 50V X7R 1808
  • In Stock:109241
$0.203/pcsRFQ
1206J0630823KDR Image
  • Part#:1206J0630823KDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.082UF 63V X7R 1206
  • In Stock:182972
$0.118/pcsRFQ
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