Model & package intelligence
Model text, package form, tray or reel details, and visual evidence are reviewed together before RFQ feedback.
TAI-TECH HCB2012KF-121T20 HCB2012KF
Configuration
1 options
Configuration
26+
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- TAI-TECH HCB2012KF-121T20
- Type
- TAI-TECH
- Minimum package
- 4000 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- TAI-TECH
- Electronic Component
- HCB2012KF-121T20
- Electronic Component
- 1
- Package
- 0805
- Electronic Component
- Ferrite Bead
- Electronic Component
- ±25%
- Electronic Component
- 0.038g
- Electronic Component
- 1
- Channel Count
- 1
- Electronic Component
- BM0230022165
- Operating Temperature
- 55℃~+125℃
- Current
- 2A
- @Frequency
- 120Ω@100MHz
- Resistor(DCR)
- 100mΩ
- 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.
HCB2012KF-121T20 产品概述
一、产品简介
HCB2012KF-121T20 是 TAI-TECH（台庆）推出的一款0805封装贴片磁珠（ferrite bead），用于抑制高频干扰和改善电磁兼容（EMC）性能。该器件在100MHz时阻抗为120Ω（容差±25%），适合对中高频噪声有控制需求的电源或信号线上使用，单通道设计，便于布局与替换。
二、主要参数
- 阻抗：120Ω @ 100MHz，容差 ±25%
- 直流电阻（DCR）：约 100 mΩ
- 额定电流：2 A（连续）
- 通道数：1（单通道）
- 工作温度：-55 ℃ ～ +125 ℃
- 封装：0805（2012公制尺寸）
- 品牌：TAI-TECH（台庆）
三、性能特点
- 在100MHz附近提供较高阻抗，有效衰减射频噪声，提升系统信号完整性与EMC表现。
- 低直流电阻（100 mΩ），在额定电流下压降小，可用于对电压降敏感的电源轨。
- 宽温度范围（-55℃至+125℃），适应工业级环境。
- 0805小型封装，适合自动贴装与空间受限的应用场合。
四、典型应用
- 移动设备、便携式电子产品的供电去耦与噪声抑制。
- 主板、模块电源输入/输出的射频噪声抑制。
- LCD/LED 驱动电源、摄像模组以及传感器接口的EMI滤波。
- 工业控制与通信设备中对共模/差模高频干扰的抑制（单通道用于单端线）。
五、封装与可靠性
0805（2012）SMD封装兼顾尺寸与散热，适合波峰和回流焊工艺。器件额定工作温度与行业常规一致，符合长期可靠性要求。在高温或高电流应用中建议参考制造商的热阻与老化曲线以评估寿命与性能漂移。
六、选型与使用建议
- 额定电流2A为连续使用上限；若存在启动浪涌或短时大电流，建议留有裕量（通常20%~50%）。
- 阻抗容差±25%在精密滤波设计中需要考虑批次变化，必要时测量实物并进行验证。
- 对于需要更低DCR或更高阻抗的场景，可比较不同材质或多通道磁珠/LC滤波器方案。
- 焊接时遵循厂商推荐的回流曲线，避免过高的峰值温度与反复热循环，以保证性能稳定。
七、选购与替代
HCB2012KF-121T20 适用于多数通用EMI抑制场景；在需要更高阻抗频点或更低压降时，可选用其他阻抗规格或并联/串联组合。采购时建议确认阻抗-频率曲线、样片测试数据与可靠性认证，以确保满足目标系统的电磁兼容与热性能要求。
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