WMSIC Electronic Components

FH 0603X225K250NT

Model0603X225K250NT
Package0603
BrandFH
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
FH 0603X225K250NT
Type
FH
Minimum package
4000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
FH
Electronic Component
0603X225K250NT
Electronic Component
1
Electronic Component
2.2uF
Package
0603
Electronic Component
SMD Capacitor(MLCC)
Electronic Component
±10%
Electronic Component
0.03g
Electronic Component
1
Electronic Component
BM0257283075
Electronic Component
X5R
Voltage
25V
Electronic Component
Electronic Component
Electronic Component
4000

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

0603X225K250NT 产品概述

0603X225K250NT 是风华(FH)系列的一款贴片多层陶瓷电容(MLCC),标称容量 2.2 µF,额定电压 25 V,容差 ±10%,介质温度系数为 X5R,常见于移动终端、电源去耦与滤波等对体积与电气性能有兼顾要求的场合。以下从性能特性、应用场景和选型建议等方面做简要说明,便于工程师快速判断该型号是否适合具体设计需求。

一、关键参数与物理特性

  • 容值:2.2 µF(标称)
  • 容差:±10%(K)
  • 额定电压:25 V
  • 介质类型:X5R(温度范围/电容变化符合 X5R 等级规范)
  • 封装:0603(约 1.6 mm × 0.8 mm)
  • 封装形式:贴片(适用于自动化贴装与回流焊工艺)
  • 品牌:FH(风华)

备注:型号“0603X225K250NT”通常可分解为封装-容量-容差-额定电压-系列/包装信息的编码格式,但具体字符含义以厂方数据手册为准。

二、电气与温度性能要点

  • X5R 介质特性:X5R 属于介电常数较高的陶瓷材料,允许在 -55 ℃ 至 +85 ℃ 温度范围内电容值有一定变化(标准工况下变化量在行业规范范围内)。X5R 的温度稳定性优于 Y5V,但不及 C0G/NP0,适合去耦与储能而非高精度振荡/定时电路。
  • 直流偏置效应(DC bias):高介电常数陶瓷在施加偏置电压时电容会显著下降。2.2 µF 在 25 V 额定下,接近额定电压时可能出现比额定值更低的实际有效电容,设计时应考虑电压下的容量保持率或适当留有裕量。
  • 低等效串联电阻(ESR)与低等效串联电感(ESL):MLCC 在高频时表现良好,适合电源去耦与 EMI 抑制;但在大电流瞬变或需大量能量储存场合,需结合电解/薄膜电容使用。

三、典型应用场景

  • 移动设备与可穿戴电子:体积受限场合的去耦、滤波与能量缓冲。
  • 电源模块:DC-DC 降压/升压转换器的输入/输出旁路与稳定。
  • 信号链滤波:高频去耦与 EMI 抑制(非高精密时间常数电路)。
  • 汽车电子(视具体车型与认证):若满足相关可靠性与温度等级,可用于一般车规低压系统(但需确认厂方车规认证)。

四、封装与焊接建议

  • 0603 是常见的小尺寸封装,适合高密度 PCB。为保证可靠性,推荐遵循厂方推荐的焊盘尺寸与过孔布局,避免焊盘过大或过小导致应力集中。
  • 回流焊工艺适用。遵循通用无铅回流温度曲线(参考厂方回流建议),避免多次高温循环和超出规范的温度峰值,以减少因热应力引起的微裂纹或失效。
  • 装配与贴装时注意避免元件在 PCB 曲挠或螺钉孔附近产生机械应力,0603 在过大的机械弯曲或冲击下有开裂风险。

五、选型与使用注意事项

  • 考虑 DC bias:若电路在接近或等于 25 V 工作,建议按应用电压下的实际保持率选择更大额定电压或并联多只电容以满足容量要求。
  • 温度与频率要求:对温漂敏感或高稳定性的振荡、采样电路,应优先选用 C0G/NP0 器件;X5R 更适合电源去耦、旁路与一般滤波。
  • 并联使用:在高频与低频滤波同时要求的场合,可与小容值、高频特性的 MLCC 并联,以优化频率响应与等效阻抗。
  • 机械与环境:长期高湿、高温或强振动环境中,建议参考厂方可靠性数据并进行封装与固定的防护设计。

六、包装与供货建议

  • 常见为卷带(Tape & Reel)包装,适配自动贴片机。下单前确认最小包装数量与交期。
  • 建议获取并保存厂方数据手册与应力/可靠性测试报告(如需要进行验证测试或车规认证时)。

总结:0603X225K250NT(FH,2.2 µF ±10% 25 V X5R)是一款面向高密度贴片应用、侧重功率去耦与滤波的通用型 MLCC。设计时应重点关注 DC 偏置导致的有效容量下降、X5R 的温漂特性以及 0603 封装的机械可靠性,通过合理的电路布局、并联或改换更高额定电压型号,可在多数移动与电源应用中实现良好表现。若需具体电气参数曲线(如电容随偏压/温度的变化、寿命与可靠性试验数据),建议参照风华提供的产品数据手册或向供应商索取原厂测试报告。

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