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TAIYO YUDEN CBC2012T220M Inductor CBC2012T220M
Configuration
1 options
Configuration
26+
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- TAIYO YUDEN CBC2012T220M
- Type
- TAIYO YUDEN
- Minimum package
- 3000 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- TAIYO YUDEN
- Electronic Component
- CBC2012T220M
- Electronic Component
- 1
- Package
- 0805
- Type
- Inductor
- Electronic Component
- Power Inductor
- Electronic Component
- ±20%
- Electronic Component
- 0.04g
- Inductor
- 22uH
- Electronic Component
- 1
- Electronic Component
- BM0263673061
- Current
- 170mA
- Resistor(DCR)
- 4.81Ω
- Electronic Component
- Electronic Component
- Electronic Component
- 3000
For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.
CBC2012T220M 产品概述
一、产品简介
CBC2012T220M 是 TAIYO YUDEN（太诱）系列的绕线功率电感，封装为 0805（2012 公制）。电感值 22 µH，公差 ±20%，额定直流电流 170 mA，饱和电流（Isat）同为 170 mA，直流电阻（DCR）为 4.81 Ω。该器件为小尺寸、低功率应用设计，适用于空间受限且电流需求较小的滤波与能量储存场景。
二、主要规格要点
- 电感值：22 µH ±20%（典型测试条件下）
- 额定电流：170 mA（连続运行条件）
- 饱和电流 Isat：170 mA（接近该电流时电感量将显著下降）
- 直流电阻 DCR：4.81 Ω（影响压降和功耗）
- 封装：0805（2.0 × 1.25 mm 尺寸等级）
- 类型：绕线电感（线圈结构带有较明显的 DCR 特性）
三、特性与应用场景
- 小电流电源滤波：用于便携设备的次级电源滤波、模拟电路电源沉降与去耦。
- EMI / 高频噪声抑制：配合电容形成 LC 或 π 型滤波器，抑制电源或信号线上的噪声。
- 信号链保护与缓冲：在电流不大的模拟/数字接口上用于串联抑制瞬态干扰。
- 适合空间受限的 PCB 设计，尤其是多层板中作局部滤波用件。
四、使用注意事项
- 饱和与余量：Isat 与额定电流相同，代表在接近 170 mA 时电感值会下降。设计时应留有裕量，建议工作电流低于 Isat 的 60–80% 以维持稳定的电感特性。
- 功耗与发热：DCR 为 4.81 Ω，电流通过时会产生 I^2·R 损耗。举例 100 mA 时损耗约 0.048 W；接近 170 mA 时损耗明显增加，需评估热耐受和整体效率。
- 公差影响：±20% 容差在滤波电路中会影响截止频率和衰减，关键滤波应用需考虑元件筛选或电路容错设计。
- 焊接与可靠性：采取常规贴片回流焊工艺，遵循制造商的回流温度曲线与湿敏等级处理，避免重复高温应力。
五、PCB 布局建议
- 尽量缩短与电感两端的走线，减小寄生电感与阻抗。
- 若与旁路电容配合形成滤波器，应将电容靠近电感一端放置，并把接地路径设计为低阻低感的回流通路。
- 对于需要散热的场合，确保周围有足够铜箔面积以帮助散热并减少局部温升。
六、选型与替代建议
- 若电流需求或损耗限制较高，应选择更大封装或 DCR 更低、Isat 更高的电感型号（如 1210/1812 或专用电源电感）。
- 对于对电感值稳定性要求高的应用，可考虑公差更窄或使用磁芯材料更优的型号。
总结：CBC2012T220M 以其小型封装和较高电阻特性适用于低电流滤波与 EMI 抑制场合。在实际应用中需关注工作电流与 DCR 带来的功耗与饱和问题，并在 PCB 布局与热管理上作相应优化，以保证滤波效果和长期可靠性。
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