WMSIC Electronic Components

lelon VEJ331M1ETR-0810 VEJ331M1ETR

ModelVEJ331M1ETR-0810
PackageSMD,D8xL10mm
Brandlelon
Price Price on request Electronic component prices change quickly with market supply and demand. Please refer to the latest WMSIC quotation for current pricing.
Configuration
1 options
Configuration 26+

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
lelon VEJ331M1ETR-0810
Type
LELON
Minimum package
500 卷

Technical parameters

Electronic Component
LELON
Electronic Component
VEJ331M1ETR-0810
Electronic Component
1
Electronic Component
330uF
Package
SMD,D8xL10mm
Electronic Component
SMD Aluminum Electrolytic Capacitor
Electronic Component
±20%
Electronic Component
1.134g
Electronic Component
1
Electronic Component
BM0264520295
Electronic Component
2000hrs@105℃
Operating Temperature
45℃~+105℃
Voltage
25V
Capacitor
8mm
Capacitor
10mm
Electronic Component
Electronic Component

For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.

VEJ331M1ETR-0810 贴片铝电解电容产品概述

一、产品基本属性与品牌背景

VEJ331M1ETR-0810是台湾立隆(lelom)推出的工业级贴片铝电解电容,属于立隆中高端电容系列。立隆作为深耕电容领域20余年的制造商,产品以“耐环境性强、可靠性稳定”著称,广泛覆盖工业控制、消费电子、汽车电子等场景。

该型号命名清晰对应核心参数:

  • “VEJ”为系列标识(主打宽温工业应用);
  • “331”指向容值330μF(33×10¹μF);
  • “M1”表示容值精度±20%;
  • “ETR”为低漏电流特性代码;
  • “0810”明确封装尺寸(直径8mm×长度10mm)。

二、核心电气性能参数解析

1. 容值与精度

额定容值330μF,精度±20%(实际范围264μF~396μF),适配多数电路对中等容量滤波、储能的需求(无需极高精度的场景下性价比突出)。

2. 额定电压

25V直流额定电压,是电解电容的安全核心参数。需注意:

  • 实际工作电压峰值需低于25V;
  • 建议预留50%以上电压余量(如工作电压≤12V),避免过压导致电容失效(漏电流剧增、鼓包甚至爆炸)。

3. 漏电流特性

立隆工业级电容漏电流符合行业标准(105℃下≤0.01CV μA),可有效减少电路功耗,提升电源效率(如开关电源输出端滤波时,低漏电流可降低待机功耗)。

三、物理封装与尺寸规格

1. 封装类型

采用SMD表面贴装,适配自动化SMT产线,无长引脚设计,节省PCB空间。

2. 尺寸细节

  • 电容体直径8mm,长度10mm(不含引脚高度);
  • 引脚为短贴片结构,贴装后高度≤2mm,适配厚度≤1.6mm的PCB板,适合紧凑设备(如小型路由器、智能家居控制器)。

3. 包装形式

卷带编带(Reel)包装,每卷1000~5000个,完全匹配自动化贴装流程,可提升生产效率30%以上(对比插件电容)。

四、环境适应性与工作寿命

1. 工作温度范围

-45℃~+105℃,覆盖绝大多数应用场景:

  • 低温端适配北方户外设备(如低温监控摄像头);
  • 高温端适配家电(如机顶盒、LED驱动)、工业设备(如变频器)的发热区域。

2. 工作寿命

2000小时@105℃(即105℃高温下连续工作2000小时仍稳定)。根据电解电容“10℃法则”(温度每降10℃,寿命翻倍),常温(25℃)下寿命可达≈512000小时(约58年),长期可靠性突出。

3. 耐湿性能

满足GB/T 2423.3恒定湿热试验(90%~95%相对湿度下工作1000小时无失效),适合南方潮湿地区应用。

五、典型应用场景

结合参数特性,该电容适用于以下场景:

  1. 电源滤波:开关电源、线性电源输出端,去除纹波(如机顶盒、路由器电源模块);
  2. 储能电路:小型DC-DC转换器、便携式医疗设备(弥补瞬时功率需求,避免电压跌落);
  3. 耦合/旁路:音频功放前级耦合、电源模块低频噪声抑制(利用大容量特性提升信号完整性);
  4. 工业控制:PLC、变频器辅助电源滤波(适应工业现场宽温、高可靠性需求);
  5. 车载电子:部分非车规级车载设备(如车载充电器),满足-40℃~85℃环境。

六、产品优势与选型注意事项

1. 核心优势

  • 小型化:D8×L10mm封装节省30%以上PCB空间;
  • 宽温可靠:-45℃~105℃覆盖极端环境;
  • 低漏电流:提升电源效率,减少待机功耗;
  • 自动化适配:卷带封装匹配SMT产线,降低人工成本。

2. 选型与使用注意

  • 极性识别:长引脚为正极,反接会导致失效(贴装时需核对PCB丝印);
  • 电压余量:实际电压≤12V(25V的50%余量);
  • 温度布局:避免靠近功率器件(如MOS管),减少高温影响;
  • 并联扩容:需更大容量时,可并联多个同型号电容(极性一致),避免单电容体积过大。

该电容以“紧凑尺寸+宽温可靠+立隆品牌”为核心竞争力,是工业级、消费电子领域中等容量滤波/储能的优选方案。

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