WMSIC Electronic Components

TAIYO YUDEN MSASU32MSB7475KPNA01 Multilayer Ceramic Capacitor MSASU32MSB7475KPNA01

ModelMSASU32MSB7475KPNA01
Package1210
BrandTAIYO YUDEN
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

18 specifications

Core information

Product name
TAIYO YUDEN MSASU32MSB7475KPNA01
Type
TAIYO YUDEN
Minimum package
1000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
TAIYO YUDEN
Electronic Component
MSASU32MSB7475KPNA01
Electronic Component
1
Electronic Component
4.7uF
Package
1210
Electronic Component
SMD Capacitor(MLCC)
Electronic Component
±10%
Electronic Component
0.166g
Electronic Component
1
Electronic Component
BM0264757361
Electronic Component
X7R
Voltage
50V
Electronic Component
Electronic Component
Electronic Component
1000

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

MSASU32MSB7475KPNA01 产品概述

一、产品简介

MSASU32MSB7475KPNA01 是 TAIYO YUDEN(太诱)推出的一款多层陶瓷电容器(MLCC),参数为 4.7μF ±10%,额定电压 50V,介质类型为 X7R,封装尺寸为 1210(英制)。该型号支持 125°C 的工作环境,并以卷带(T/R)方式供货,适合自动贴片加工。整体设计面向需要中等容量、较高电压耐受与良好频率特性的去耦与储能应用场景。

二、电气与材料特性

  • 容值:4.7μF(初始公差 ±10%),适合用作中容量去耦/旁路或能量缓冲。
  • 额定电压:50V,适用于常见的模拟电路电源、功率管理与较高电压轨(例如 12V、24V 系统)旁路。
  • 介质:X7R(Class II),温度范围通常为 −55°C 至 +125°C,在该范围内电容值变化受控(介质特性与温度相关)。
  • 抗温性能:标称支持最高工作温度 125°C,适用于工业级高温环境下的去耦需求。
  • 封装:1210(约 3.2×2.5 mm),相较更小尺寸能提供更高的容量与更低的 ESR/ESL,有利于功率去耦与中低频滤波。

三、性能特点与注意事项

  • 高频响应与低阻抗:1210 封装的 MLCC 在高频瞬态时能快速提供电流,X7R 介质在宽频带内具有较好的去耦效果,适合给开关电源、CPU、驱动器等器件提供瞬态电流支撑。
  • 电压依赖性(DC bias):Class II 陶瓷介质在加直流偏置时会出现显著电容下降,尤其在高电压接近额定值时更明显。设计时应考虑在实际工作电压下的有效电容(建议查看厂家电容-电压特性曲线),并按需留有裕量。
  • 温度与老化效应:X7R 在温度变化与随时间的老化(陶瓷极化随时间减小)上会有一定影响,长期使用中电容值会缓慢下降,常见为按对数时间下降的百分比级。此类现象为介质固有特性,非器件缺陷。
  • 可靠性:Taiyo Yuden 品牌在制程与材料控制上具有较高一致性,适合对稳定性有要求的批量生产。若用于关键应用(例如汽车安全系统),请在设计前确认器件是否符合相应的认证(如 AEC‑Q200)。

四、典型应用场景

  • 电源去耦与滤波:输入/输出滤波、DC‑DC 转换器的输出旁路、中低频能量缓冲。
  • 高频瞬态补偿:驱动器与处理器的瞬态电流供给,提高系统稳定性与降低噪声。
  • 工业与通讯设备:适用于工作温度较高、要求中等电压耐受的场合,如工业控制、电源模块、基站设备等。
  • 消费电子:主板电源、音频放大器电源旁路等,但在对精度高或温度稳定性要求极高的模拟电路中应慎用(优先考虑 NP0/C0G)。

五、布局与设计建议

  • 贴近负载:将该电容尽可能靠近需去耦的芯片电源脚布局,缩短走线并使用多点过孔以减小回流路径阻抗。
  • 串联并联优化:为覆盖更宽的频率范围,常与小容量低电感电容(如 0.1μF、1μF)并联,形成多级去耦网络;多只相同器件并联可降低等效 ESR/ESL 并提升总容量。
  • 温度与电压裕量:考虑 DC bias 与工作温度带来的容量下降,设计时留出 20–50% 的裕量(具体裕量视电路对容量的敏感度而定)。
  • 焊接与回流:遵循通用的 SMT 回流曲线(如 J‑STD‑020),避免超出器件的最大回流温度及重复加热。出厂为卷带包装,便于自动化贴装。

六、采购与替代

  • 供货形式:带卷 T/R,适配自动贴片线;具体卷盘数量与交期请向供应商或代理确认。
  • 替代方案:若需更高稳定性(温度、时间)应考虑 NP0/C0G 系列;若需更高容量但电压较低,可选择更高介电常数的封装或电容等级。但在替代时必须关注电压依赖、工作温度与封装尺寸的匹配。

总结:MSASU32MSB7475KPNA01 以 4.7μF/50V/X7R/1210 的组合为中等容量、高电压耐受与较好高频性能提供了平衡的解决方案,适合电源去耦与中频储能应用。设计时应关注 X7R 的 DC‑bias、温度与老化特性,并按场景选择合适的并联或级联策略以保证系统稳定性。

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