Model & package intelligence
Model text, package form, tray or reel details, and visual evidence are reviewed together before RFQ feedback.
Sunlord PZ2012U121-3R0TF PZ2012U121
Configuration
1 options
Configuration
25+
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- Sunlord PZ2012U121-3R0TF
- Type
- SUNLORD
- Minimum package
- 4000 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- SUNLORD
- Electronic Component
- PZ2012U121-3R0TF
- Electronic Component
- 1
- Package
- 0805
- Electronic Component
- Ferrite Bead
- Electronic Component
- ±25%
- Electronic Component
- 0.037g
- Electronic Component
- 1
- Channel Count
- 1
- Electronic Component
- BM0227694159
- Operating Temperature
- 55℃~+125℃
- Current
- 3A
- @Frequency
- 120Ω@100MHz
- Resistor(DCR)
- 40mΩ
- 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.
PZ2012U121-3R0TF 产品概述
一、产品简介
PZ2012U121-3R0TF 为 Sunlord（顺络）系列贴片磁珠，封装为 0805（2012公制），单通道器件。其在 100MHz 时的典型阻抗为 120Ω，公差 ±25%；直流电阻（DCR）约为 40mΩ；额定连续电流 3A；工作温度范围 -55℃ ~ +125℃。该器件用于高频噪声抑制与电源线 EMI/EMC 管理，适合 SMT 自动贴片工艺。
二、主要特性
- 高频阻抗高：120Ω（@100MHz），对 100MHz 量级的开关噪声具有较好抑制能力（公差 ±25%）。
- 低直流电阻：DCR 约 40mΩ，可在保持低压降的同时抑制高频干扰。
- 较高电流能力：额定电流 3A，满足中等电流电源轨的滤波需求。
- 宽温度范围：-55℃ ~ +125℃，适用于大多数工业及消费类工作环境。
- 小体积封装：0805，节省 PCB 布局空间，兼容常见贴片工艺。
三、应用场景
- 开关电源输入/输出滤波（DC-DC、LDO 前后端）
- 嵌入式主板与散件电源去耦、模块化电源滤波
- USB、电源线及高速接口的共模/差模噪声抑制（与电容组合使用）
- 工业控制、通信设备、消费电子与一般 EMI 控制场合
四、设计与使用建议
- 串联安装：磁珠通常作为串联元件置于噪声源与负载之间，靠近噪声源或接收端放置可获得最佳抑制效果。
- 考虑直流压降与发热：在额定 3A 下，理论电压降约为 0.12V，功耗约 0.36W，实际使用时需关注器件温升与周边热管理，必要时进行电流/温度降额。
- 验证频率响应：阻抗随频率变化且受工作点影响，设计前应参考厂方的阻抗频谱曲线并在目标频段进行实测确认。
- 焊接与机械应力：遵循 SMT 回流曲线与厂方焊接建议，避免过度弯曲或机械应力集中，确保焊点可靠性。
- 并联与组合：若需更大电流或更低 DCR，可采用并联磁珠或与电感、电容配合形成滤波网络。
五、封装与采购说明
- 封装：0805（2012）贴片，适配主流贴片机。
- 包装：一般以卷带（tape & reel）形式供应，适用于自动化贴装与批量生产。
- 型号识别：PZ2012U121-3R0TF，品牌 Sunlord（顺络）。如需获取阻抗频率曲线、焊接规范及可靠性测试数据，建议向供应商索取完整数据手册。
如需针对具体电路（例如某一路 1.2V/2A 电源轨或 USB 5V 线路）计算压降、温升或给出 PCB 布局示意，我可以根据实际参数进一步评估并给出详细建议。
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