Nitsuko capacitor日通工金膜电容

1、 NitsukoNitsuko Film Capacitor Target Film Capacitor Target1 1） ）Miniaturized MDST3Miniaturized MDST3 seriesseries 2)Low noise FPS 2)Low noise FPS seriesseriesNitsukoNitsuko Electronics Corporation Electronics Corporation The Market of The Market of NitsukoNitsuko Film Capacitor Film CapacitorPower

2、supplyMajor Film capacitor markets are Home Appliance, power supply, Car Electronics , lighting and industrial equipment.Car ElectronicsIndustrial equipmentLightingHome ApplianceIHProjector Liquid-crystal TV PDP1)Miniaturization1)Miniaturization For PC adaptor PFC circuitFor PC adaptor PFC circuitCa

3、pacitors for Power supply adapter Capacitors for Power supply adapter requires Miniaturization in particular. requires Miniaturization in particular. We assure high reliability as well as We assure high reliability as well as miniaturization.miniaturization.NitsukoNitsuko Electronics Corporation Ele

4、ctronics Corporation 1) MDST3 series Adaptor for ComputerFor Adaptor The miniaturization demand is the best. Size comparisonSize comparison450V1.0F450V2.2FMinimum class in the worldOldNewOldNewMiniaturizedNitsukoCompetitorVery thin Size Comparison 450VDC 1.0F 450VDC 2.2FNitsukoCompetitor15mm 22.5mm

5、2)Low noise2)Low noise For TV power supply PFC circuitFor TV power supply PFC circuitCapacitors for TV power supply Capacitors for TV power supply requires Lowrequires Low noise in particular. noise in particular. NitsukoNitsuko Electronics Corporation Electronics Corporation 4 45 50 0V V 2 2. . 2 2

6、F FN NE EW W T TY YP PE EM M M M G GM M M M X XN Ni i t ts su uk ko oM M D DX X n n : : 4 40 0A Av ve e: : 6 65 5. . 2 24 46 6 S S : : 1 1. . 7 76 67 7 n : 40Ave: 77. 138 S : 2. 847 n : 40Ave: 76. 657 S : 3. 585 n : 40Ave: 79. 751 S : 2. 0615 50 05 55 56 60 06 65 57 70 07 75 58 80 08 85 59 90 09 95

7、51 10 00 0 d dB B 2) FPS series LCD TV power supplyLCD maker demand to power supply makerLow noise , Lower-LowerLow noiseFormer productNitsukoCompetitorNitsuko FPSABSoundLevel(dB)FPSFPS Low vibration sound for Low vibration sound for PFC (Metallized Polypropylene film capacitorMetallized Polypropyle

8、ne film capacitor ）PerformanceNitsuko Electronics CorporationMiniaturizedDimensionsFor LCD TV, LCD projector, Silent server etc Reduced 10 dB or more from the former type（by our measuring method ）New 1.5 MAX20 MINMarking Low Noise typeLow Noise typeCapacitor may make noise when it used in PFC circui

9、t.Capacitor may make noise when it used in PFC circuit. TV especially requires low noise.TV especially requires low noise.Structure of film capacitorHere is the structure of film capacitorCapacitor is constructed by winding pairs of evaporated films.When a film capacitor is applied the voltage which

10、 has quick rising and trailing such as the square wave, the evaporated films repeat suction and rebound by coulomb force between the electrodes depends on voltage change. Vibration can be caused by stitch of joint gap between the evaporated films. This vibration gets out as vibration sound. Evaporat

11、ed electrode Cover film Dielectric film Enclosure Sprayed metal Lead wireP Powerower supply for Computer sometimes supply for Computer sometimes requires low noise. (Server, Apple)requires low noise. (Server, Apple)Vibration sound comparing dataComparing with the circuit which has vibration sound by

12、 repeated charge and dischargeMeasuring circuit for vibration soundMeasuring circuit for vibration sound Voltage waveform of capacitorVoltage waveform of capacitor 1ms/div100V/divCapacitors for PFC circuitCapacitors for PFC circuit Reference ReferenceNitsukoNitsuko Electronics Corporation Electronic

13、s Corporation Across the line PFCSnubberVACSmoothing入力PFCYMDST3FPSThere is no such size and feature as our product for PFC.The worlds smallestFor high currentLow vibration soundCapacitors For PFC comparison （）用商品比較MDXMDXMDST3MDST3FPSFPS特長特長 FeatureFeature標準品標準品StandardStandard小型化品小型化品MiniaturizedMin

14、iaturized低振動音低振動音Low noiseLow noise誘電体誘電体 DielectricDielectricPETPETPETPETPPPP寸法寸法 DimensionsDimensions 100100 7575 100100高温対応高温対応High temperatureHigh temperature105105315VDC315VDC MAXMAX110110351VDC351VDC MAXMAX105105315VDC315VDC MAXMAX振動音振動音Vibration soundVibration sound450V450V0.470.47 450V450V11

15、 450V450V2.22.2 NitsukoWe had worked on miniaturizing product of 450V and realized the miniaturized product much smaller than competitors.【 Miniaturization developmentExample of 450V, PET 】NitsukoProduct classMDST3Common size(Competitor)Minimum size(Competitor)NitsukoNitsuko is is 1 1 Film capacitor

16、 supplier for PFC circuitFilm capacitor supplier for PFC circuit- -MiniaturizationMiniaturization, Low noise, QualityLow noise, Quality- -We assure high reliability as well as We assure high reliability as well as miniaturization.miniaturization.NitsukoNitsuko Electronics Corporation Electronics Cor

17、poration Endurance testEndurance test85、4501.25applied 563VDCNitsukoMDX22W225K(450V, 2.2 F)Competitor 450V, 2.2FSmall change in capacitance We actualized high reliability.静 電 容 量 変 化-10-50502004006008001000時 間 （ ）静電容量変化率c/（）平 均最 大最 小静 電 容 量 変 化-10-50502004006008001000時 間 （ ）静電容量変化率c/（）平 均最 大最 小No Ap

18、pearance changeSwollen tested article Normal articleCapacitance changeRate of changePeriod (H)Period (H)Rate of changeCapacitance changeNitsuko VS Competitor (Miniaturized type) Test data4500.47FHigh-temperature loading test85563VCompetitorNitsukoThere is concern about operating life at this level. It could be that the performance decreases in capacitance over 10 years by gradation. It remains possible that the product br