WMSIC Electronic Components

AVX TPSB226K020R0600

ModelTPSB226K020R0600
PackageCASE-B-3528-21(mm)
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

20 specifications

Core information

Product name
AVX TPSB226K020R0600
Type
AVX
Unit
Electronic Component
Minimum package
2000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
Electronic Component
Electronic Component
AVX
Electronic Component
TPSB226K020R0600
Electronic Component
1
Electronic Component
22uF
Package
CASE-B-3528-21(mm)
Electronic Component
Capacitor
Electronic Component
±10%
Electronic Component
0.115g
Electronic Component
1
Electronic Component
BM0228746904
Operating Temperature
55℃~+125℃
Voltage
20V
Electronic Component
Electronic Component
Electronic Component
2000

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

TPSB226K020R0600 产品概述

一、概况

TPSB226K020R0600 为 AVX 出品的固体钽电容,标称容量 22 μF,容差 ±10%,额定电压 20 V。器件为 SMD 封装(CASE-B / 3528-21,尺寸约 3.5 × 2.8 × 1.9 mm),终端型式为 Inward L(向内弯曲端子),额定工作温度范围 -55 ℃ 至 +125 ℃。在 100 kHz 测试条件下等效串联电阻(ESR)约为 600 mΩ(0.6 Ω),适合作为中小容量的去耦/滤波与能量缓冲元件。

二、电气特性要点

  • 容量与精度:22 μF ±10%,适合用于中等储能和去耦场合。
  • 额定电压:20 V,典型电源轨(如 3.3 V、5 V、12 V)均可使用;建议根据可靠性需求进行电压降额(见下文)。
  • ESR:0.6 Ω @100 kHz。较高的 ESR 在一定频段可抑制振铃,但对高频去耦时会限制谐振频点与滤波性能。
  • 温度性能:工作温度 -55 ℃ 至 +125 ℃,适合一般工业与汽车电子(需按应用验证)环境。
  • 极性:钽电容有极性,必须正确接入(正极有标识),严禁反向施加电压。

三、机械与封装

  • 尺寸:3.5 × 2.8 × 1.9 mm(CASE B, 3528-21),适配常见 3528/1210 PCB 布局。
  • 终端:Inward L 型端子利于焊接强度和贴装一致性。
  • 引脚与涂层:外观有极性标记,表面有防护涂层。布局时需预留适当焊盘面积和焊膏量以确保焊点可靠性。

四、典型应用

  • 开关电源输出去耦与能量缓冲。
  • 放大器、音频电路的电源滤波(注意 ESR 对噪声与稳定性的影响)。
  • 工业控制、通信和消费电子的局部电源稳压去耦。
  • 需要较高体积能量密度且对极性可控的场合。

五、设计与可靠性建议

  • 电压降额:为提高长期可靠性与抗击穿能力,生产与关键产品常建议将工作电压降额至额定电压的 50%~80%,具体取值视应用重要性和温度决定。
  • 纹波与功耗计算:电容内部损耗可按 P = I_rms^2 × ESR 估算。例如,若纹波电流为 0.1 A RMS,则耗散功率约为 0.1^2 × 0.6 = 0.006 W(6 mW)。在高纹波或高温条件下需关注升温与寿命。
  • 反向电压:钽电容对反向电压极为敏感,设计中必须避免任何可能的反向偏压。
  • 串联/并联使用:并联可降低总 ESR 并提高容量;串联会产生不均压风险,需加平衡电路。

六、焊接与存储注意

  • SMT 兼容常见回流工艺,但应遵循制造商推荐的回流温度曲线与焊接条件以避免性能退化。
  • 储存环境应避免潮湿和腐蚀性气体,贴片前若超过制造商建议的烘烤时间需按回流前干燥处理。

七、选型要点总结

  • 若需要在高频段提供极低阻抗,建议同时评估低 ESR 的固态电容或与陶瓷电容配合使用。
  • 在空间受限且需较高容量的场合,TPSB226K020R0600 提供了良好的体积能量密度与宽温度适应范围。
  • 最终选型应基于实际工作电流、纹波、温度和寿命要求,并参考 AVX 的完整规格书与可靠性数据进行验证。

如需具体的回流曲线、纹波电流额定或寿命评估(LTP/MTBF)等更详尽参数,可继续提供使用工况,我会基于工况给出更细化的设计建议。

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