【应用】铝电解电容A704230/47用于工业电源/UPS,具有大容量,长寿命,宽温度范围等优势
工业电源和UPS通常对市电进行整流,功率因数校正,DC/DC及逆变等处理,输出单相,三相交流电,或者直流。为输出稳定的电压,降低电源纹波和噪声,在电源变换过程中都需要对电源滤波,使电源得到净化,更有利于设备供电品质的提高。
图1.UPS原理架构
如图1所示,一般中小型工业电源及UPS为开关电源,通常输入为单相220V/50Hz市电,因市电纹波,噪声及功率因数问题,通常在AC/DC变换的同时进行功率因数校正,然而通过DC/AC逆变和滤波输出频率,电压,纹波指标符合要求的220V/50Hz的高品质工业电源,在AC/DC、DC/DC及DC/AC过程中都会用到高耐压的大容量,大功率的铝电解电容。
图2. SNAPSIC系列铝电解电容在逆变电路母线电压滤波的应用
如图2所示,工业电源和UPS一般都有DC/AC逆变环节,经整流,功率因数校正后的直流电压一般较高,如单相220V/50Hz经整流后的最大直流电压可达311V,则母线最大直流电压可达311V,为逆变输出稳定,得到理想得输出电压,所以在逆变前保持母线电压得高质量,需对母线电压滤波,降低纹波。为保证电容的安全,需选择额定电压为400V-500V、电容范围100uF-470uF的电容。
本文主要推荐EXXELIA铝电解电容SNAPSIC系列产品,其中的A704230,470uF容值,额定电压450V,阻抗150mΩ;A704247的容值为470uF,额定电压为500V,阻抗250mΩ,非常适合用在这里。此外,这两款产品的直径35mm、高度为50mm,工作温度从-55°C~85°C,工作寿命为10 000 H / 85°C,寿命较长,使用稳定性较高。
该产品为直插焊接安装,安装时引脚具有自卡紧功能。在20°C下插脚和电容外壳之间的绝缘电阻为100 MΩ,自熄灭15 s(符合IEC 60 695-2-2)。该产品具有很强的抗冲击机械性能,通过严酷的冲击和振动试验。
综上,EXXELIA铝电解电容SNAPSIC系列的A704230、A704247具有大容量,长寿命,宽温度范围的特性,是工业电源/UPS滤波电容的优秀选择。
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RWX 系列螺丝端子型·变频器用 (85°C)大型铝电解电容器
描述- 该资料介绍了日本CHEMI-CON株式会社生产的RWX系列大型铝电解电容器。这些电容器具有高容量化、适应多种负载、符合RoHS2标准等特点,适用于UPS设备和伺服压力机等对容量性能有较高要求的用途。
型号- ERWX□□□LG□□□□M□□□U,ERWX451LGC682MEB5U,ERWX451LGC293MGT0U,ERWX451LGC822MED0U,ERWX451LGC183MFL0U,ERWX401LGC343MGT0U,ERWX451LGC332MD90U,ERWX401LGC472MDA0U,ERWX401LGC253MGL5U,ERWX401LGC203MFL5U,ERWX401LGC153MFE5U,ERWX401LGC822MDF5U,ERWX401LGC332MD80U,ERWX451LGC103MEF5U,ERWX451LGC103MFC0U,ERWX401LGC183MFG5U,ERWX451LGC682MDF5U,RWX 系列,ERWX401LGC123MEF5U,ERWX401LGC203MGG5U,ERWX451LGC272MD80U,ERWX451LGC392MDA0U,ERWX451LGC222MD70U,ERWX451LGC253MGQ0U,ERWX401LGC392MD90U,ERWX401LGC682MDD5U,RWX,ERWX401LGC222MD60U,ERWX401LGC303MGQ0U,ERWX451LGC472MDB5U,ERWX451LGC562MDD0U,ERWX451LGC123MFD5U,ERWX401LGC103MED5U,ERWX451LGC203MGL0U,ERWX401LGC562MDB5U,ERWX451LGC153MFG5U,ERWX401LGC272MD70U,ERWX401LGC822MEB5U
【产品】耐压550V的基板自立型铝电解电容,适用于太阳能用功率调节器及服务器直流电源
Nippon Chemi-Con 550V基板自立型铝电解电容适用于对应市场上太阳能用功率调节器,服务器直流电源,工业变压器等高耐压应用领域,基于自研的高耐压高容值铝电极箔。分为105℃下5000H的LXS系列和105℃下3000H的KMS系列。
格力新元电子推出焊片式铝电解电容、DCH汽车电容等系列产品,广泛用于新能源汽车、光伏风电逆变器等领域
格力新元电子主要产品包括铝电解电容器、金属化薄膜电容器、IPM智能功率模块、家用电器控制器,工业用控制器,广泛应用于新能源汽车、光伏风电逆变器、智能电网、工业焊机、UPS电源、变频器、伺服器等工业领域及空调、冰箱、洗衣机、环保照明等消费类市场。
电子商城
品牌:Nippon Chemi-Con
品类:Aluminum Electrolytic Capacitors
价格:
现货: 200,000
现货市场
服务
整体外形尺寸小至0.6*0.3*0.3mm (DFN0603),工作电压范围覆盖2.5V~36V,电容值低至0.2pF,浪涌能力最高可达240安培,静电等级可达空气放电、接触放电±30KV。提供免费浪涌测试仪、静电测试仪测试。
提交需求>
可定制OGS一片式电容屏,G+G电容屏,G+F电容屏,G+F+F电容屏,尺寸范围:1”~21”,单层产品厚度:0.55mm~2mm,可按客户要求在产品上附加防反射,防指纹,多色丝印,钻孔磨边,2.5D导圆角等工艺。
最小起订量: 1000 提交需求>
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