WMSIC Electronic Components

AVX TCJB226M025R0100E

ModelTCJB226M025R0100E
Package1411
BrandAVX
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 25+

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
AVX TCJB226M025R0100E
Type
AVX
Minimum package
2000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
AVX
Electronic Component
TCJB226M025R0100E
Electronic Component
1
Electronic Component
22uF
Package
1411
Electronic Component
Capacitor
Electronic Component
±20%
Electronic Component
0.001g
Current
55uA
Electronic Component
1
Electronic Component
BM0264554678
Operating Temperature
55℃~+125℃
Current
500mA@100kHz
Voltage
25V
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.

TCJB226M025R0100E 产品概述

TCJB226M025R0100E 是 AVX 推出的模制聚合物钽电容器,标称电容 22µF,额定电压 25V,专为需要低等效串联电阻(ESR)、较高纹波承受能力和广温区稳定性的电子电路设计。该器件在可靠性、纹波抑制和温度特性之间取得平衡,适用于多种工业和消费类电源与滤波场合。

一、主要规格概览

  • 容值:22 µF(公差 ±20%)
  • 额定电压:25 V
  • 等效串联电阻(ESR):100 mΩ @ 100 kHz
  • 纹波电流:500 mA @ 100 kHz
  • 漏电流:55 µA(额定电压下典型值)
  • 工作温度范围:-55 ℃ ~ +125 ℃
  • 封装:1411(常见对应 3528 类尺寸族,详见厂商机械图纸)
  • 品牌:AVX
  • 产品型号:TCJB226M025R0100E

二、电气特性要点与工程意义

  • 低 ESR(100 mΩ @100 kHz):有助于降低交流损耗和温升,在高频开关电源输出滤波或去耦应用中能显著改善稳定性与瞬态响应。
  • 纹波电流能力 500 mA:与 ESR 配合决定了在给定纹波下的功耗(P = I_ripple^2 × ESR)。以 500 mA 为例,功耗约为 25 mW,因此在常规布局下热管理要求较低,但仍需关注器件与周围元件的散热条件。
  • 漏电流 55 µA:对于对待机电流或电池供电系统敏感的应用,应评估漏电对整体系统的影响;在多数电源旁路场合此值为可接受范围。
  • 容差 ±20%:适合通用滤波与去耦用途;在要求精确滤波的电路中需配合更紧容差器件或采用配合设计。

三、封装与机械特性

  • 1411 封装(资料上常以 3528 类比):提供良好的焊接可靠性与 PCB 占板空间效率。
  • 极性器件:钽电容有明确极性,需严格标注正负极并在 PCB 布局与装配过程中避免极性反接。
  • 机械强度与震动特性优秀,但应遵循制造商推荐的焊接温度曲线与机械应力规范以保证长期可靠性。请在设计前参照 AVX 官方机械图与回流焊规范。

四、典型应用场景

  • 开关电源(SMPS)输出滤波与去耦
  • 稳压器输入/输出滤波,改善瞬态响应
  • 通信设备、消费类电子的电源去耦
  • 对高频纹波或脉冲负载有要求的工业电子模块
  • 要求宽温域稳定工作的嵌入式系统电源滤波

五、设计与选型注意事项

  • 电压降额:虽然聚合物钽相比传统钽氧化物在某些失效模式上更宽容,但仍建议在关键可靠性场合考虑适当电压降额并参照 AVX 的具体推荐。
  • 漏电与待机功耗:若用于电池供电或低待机电流系统,应评估 55 µA 漏电对系统寿命的影响,必要时并联低漏电电容或替代器件。
  • 温升与散热:在高纹波或高环境温度条件下,按 I^2·ESR 计算局部功耗并验证 PCB 散热;必要时增加散热铜箔或改用更低 ESR 器件。
  • 极性与防反接:电路板、丝印与元件选择应确保极性正确,防止反向电压导致器件损坏。

六、可靠性与环境适配

该系列工作温度覆盖 -55 ℃ 至 +125 ℃,适合多数工业级温区应用。若用于汽车或严格的航空航天场合,请核实是否满足 AEC 或其它行业特定认证与试验(如温循环、湿热、冲击振动等)。建议参考 AVX 提供的寿命试验与失效率数据以满足系统可靠性要求。

七、结语与推荐

TCJB226M025R0100E(AVX)在 22 µF/25 V 级别中,凭借低 ESR、较高纹波能力和宽温域特性,是电源滤波与高频去耦场合的稳健选择。最终选型应结合具体电路的纹波电流、允许温升、漏电限值与尺寸约束进行。欲获取详细机械尺寸、回流曲线和完整电气特性曲线,请向 AVX 获取完整数据表并与生产试样在目标应用上进行验证。

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