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TDK MPZ1005S221HT000
Configuration
1 options
Configuration
26+
Available for RFQ
Technical data
Product details
20
specifications
Core information
- Product name
- TDK MPZ1005S221HT000
- Type
- TDK
- Unit
- Electronic Component
- Minimum package
- 10000 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- Electronic Component
- Electronic Component
- TDK
- Electronic Component
- MPZ1005S221HT000
- Electronic Component
- 1
- Package
- 0402
- Electronic Component
- Ferrite Bead
- Electronic Component
- ±25%
- Electronic Component
- 0.012g
- Electronic Component
- 1
- Channel Count
- 1
- Electronic Component
- BM0255082688
- Operating Temperature
- 55℃~+125℃
- Current
- 1.5A
- @Frequency
- 220Ω@100MHz
- Resistor(DCR)
- 95mΩ
For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.
MPZ1005S221HT000 产品概述
一、基本特性
MPZ1005S221HT000 为 TDK 出品的表面贴装磁珠（ferrite bead），封装尺寸 0402（公制 1005）。主要电气参数：阻抗 220Ω @ 100MHz（公差 ±25%），直流电阻（DCR）约 95mΩ，额定电流 1.5A，单通道结构。工作温度范围 -55℃ 到 +125℃，适合一般消费、通信及工业电子设备的高频干扰抑制。
二、主要优势
- 高阻抗：在 100MHz 附近提供 220Ω 的阻抗，有效衰减射频干扰和地/供电线上窄带噪声。
- 小型化：0402 封装便于在空间受限的 PCB 上靠近噪声源放置，节省板面空间。
- 低 DCR：95mΩ 的直流电阻有利于在电源线应用中降低压降与功耗。
- 宽温度范围与可靠性：-55℃~+125℃ 的工作温度满足大多数工业与消费环境要求。
三、典型应用场景
- 电源滤波：贴近 DC-DC、LDO 输出端或系统电源入口，用于抑制共模与差模高频噪声。
- 信号线去耦：对高速差分对或单端信号线进行高频干扰抑制（注意阻抗匹配）。
- 无线/射频前端：用于抑制PCB上射频回路的寄生噪声，改善 EMC 性能。
- 消费类与工业电子：手机配件、IoT 模组、通讯设备、工控板等。
四、选型与注意事项
- 电流与温升：额定电流 1.5A 为保证阻抗与温升在规定范围内的参考值。按 I^2·R 估算，1.5A 时的功耗约 0.214W，实际应用中需考虑器件与周围铜箔散热能力并适当预留裕量。
- 阻抗公差：±25% 公差在高精度滤波场合需注意，频带外表现可能有较大变动，建议在目标频率范围内参考实际测量数据或厂商曲线。
- 封装局限：0402 对焊盘设计与回流工艺敏感，过度机械应力或二次加工可能导致寿命下降。
五、PCB 布局与焊接建议
- 布局：将磁珠尽量靠近噪声源（如 IC Vcc 引脚或外部接口）放置，最短路径串联目标线路以提高抑制效果。两端焊盘尽量对称，避免在器件下方开大热孔或过多过孔影响稳定性。
- 焊接：遵循 TDK / IPC 推荐的回流曲线与焊膏规范，避免超出制造商允许的峰值温度与时间。对 0402 小型器件，保持合适的拾放和回流工艺以降低缺陷率。
- 静电与搬运：常规防静电措施与正确的贴装流程即可。
六、可靠性与存储
- 环境适应性良好，但在长期高温或高湿环境下，应按厂商建议进行湿敏等级（MSL）判定及烘烤处理。
- 存放建议密封干燥，避免阳光直射与腐蚀性气体。
总结：MPZ1005S221HT000 为一款适用于中高频 EMI 抑制的小型磁珠器件，兼具高阻抗与低 DCR 特性，适合需要在有限空间内进行电源与信号线噪声抑制的场合。选用时建议结合实际频谱、工作电流与 PCB 散热条件进行验证。
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