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Sunlord PZ2012D121-2R5TF PZ2012D121
Configuration
1 options
Configuration
26+
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- Sunlord PZ2012D121-2R5TF
- Type
- SUNLORD
- Minimum package
- 4000 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- SUNLORD
- Electronic Component
- PZ2012D121-2R5TF
- Electronic Component
- 1
- Package
- 0805
- Electronic Component
- Ferrite Bead
- Electronic Component
- ±25%
- Electronic Component
- 0.037g
- Electronic Component
- 1
- Channel Count
- 1
- Electronic Component
- BM0259718958
- Operating Temperature
- 55℃~+125℃
- Current
- 2.5A
- @Frequency
- 120Ω@100MHz
- Resistor(DCR)
- 60mΩ
- 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.
PZ2012D121-2R5TF 产品概述
一、基本参数概述
PZ2012D121-2R5TF 为顺络（Sunlord）系列单通道贴片磁珠，标称阻抗 120Ω（测量频点 100MHz），阻抗容差 ±25%，直流电阻（DCR）约 60mΩ，额定通过电流 2.5A，工作温度范围 -55℃ 至 +125℃。适用于中高频段电源与信号线的干扰抑制与射频噪声滤除。
二、结构与封装
该型号为表面贴装磁珠，常见封装尺寸为 2012（等同于 0805 英制），为单通道（单线）器件。磁珠通过铁氧体材料在高频下提供阻抗，体积小、焊接方便，适合自动贴装与回流工艺。实际外形尺寸与材料配方请以厂商数据表为准。
三、电气特性详解
- 阻抗：120Ω@100MHz 表示在 100MHz 时的复阻抗幅值，主要反映器件对该频段噪声的抑制能力；阻抗由电阻性与感抗/容抗组成，频率变化时性能也会变化。
- 误差 ±25%：实际阻抗值存在公差，设计时需预留裕量，可能在约 90Ω–150Ω 范围内波动。
- DCR 60mΩ：低直流电阻有利于减少稳态压降与发热，适合需要较大直流电流的电源线应用。
- 额定电流 2.5A：为器件在不引起过度温升或阻抗退化情况下的连续允许电流，超出时可能导致温升增大、材料特性变化或阻抗下降。
四、典型应用场景
- 电源滤波：输入电源、负载供电线上抑制开关电源的高频干扰。
- 信号线抗干扰：高速差分对之外的单端信号、时钟线的共模/差模噪声治理（注意匹配与阻抗影响）。
- EMI 抑制：作为局部低成本的 EMI 解决方案，配合电容形成 PI 或 LC 网络提高滤波效果。
适合移动设备、通信设备、消费电子与汽车电子等领域（在汽车级应用时应确认认证与温度/振动指标）。
五、PCB 布局与使用建议
- 串联布置：磁珠通常串联在噪声源与系统输入之间，靠近噪声源放置可提高抑制效果。
- 最小化回流路径：尽量缩短磁珠两端走线长度与回流环路，减少寄生电感。
- 热管理：长时间大电流运行时注意周围器件散热，必要时降低额定电流使用裕量或选更大封装。
- 焊接工艺：支持常规回流焊，遵循厂商推荐的温度曲线与焊膏量，避免过热造成性能变化。
六、测试与验收要点
- 使用合适频段的阻抗分析仪（如网络分析仪或LCR在高频）测量 100MHz 阻抗，验证在 ±25% 范围内。
- 用四端法毫欧计测量 DCR（约 60mΩ）并验证在容差内。
- 温升测试：在额定电流 2.5A 下确认温升与阻抗变化，确保符合系统可靠性要求。
七、选型与替代注意
选择时关注频率特性曲线（阻抗随频率变化）、额定电流与温度特性。如需更高电流或更大阻抗，可选择较大封装或不同材料配方的同系列产品。最终选型以实际电路噪声频段与电流需求为准。
备注：本文基于所给基础参数整理，封装尺寸（2012/0805）与更详细特性请以顺络官方 datasheet 为准。
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