WMSIC Electronic Components

YJYCOIN YI201209A300-10R0T YI201209A300

ModelYI201209A300-10R0T
Package0805
BrandYJYCOIN
Price Price on request Electronic component prices change quickly with market supply and demand. Please refer to the latest WMSIC quotation for current pricing.
Configuration
1 options
Configuration 26+

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
YJYCOIN YI201209A300-10R0T
Type
YJYCOIN
Minimum package
4000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
YJYCOIN
Electronic Component
YI201209A300-10R0T
Electronic Component
1
Package
0805
Electronic Component
Ferrite Bead
Electronic Component
±25%
Electronic Component
0.037g
Electronic Component
1
Channel Count
1
Electronic Component
BM0264968344
Operating Temperature
55℃~+125℃
Current
10A
@Frequency
30Ω@100MHz
Resistor(DCR)
3mΩ
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.

YI201209A301-10R0T 0805封装磁珠产品概述

YI201209A301-10R0T是益嘉源(YJYCOIN)推出的一款大电流片式磁珠,采用0805标准贴片封装,专为平衡高频电磁干扰(EMI)抑制与大电流传输需求设计,适用于电源滤波、高速电路、汽车电子等多场景,具有宽温适应性、低损耗等核心优势。

一、产品定位与核心价值

磁珠作为EMI抑制的关键元件,核心作用是在特定频段衰减噪声而不影响直流/低频信号传输。YI201209A301-10R0T针对大电流应用场景优化:既通过100MHz频段的阻抗特性有效抑制高频干扰,又以10A额定电流满足功率回路需求,同时极低的直流电阻(3mΩ)大幅降低传输损耗,解决了传统磁珠“电流承载能力弱”或“噪声抑制不足”的痛点,是高密度电路设计中EMC合规与功率效率的平衡方案。

二、关键技术参数详解

2.1 阻抗特性

产品阻抗为30Ω±25%@100MHz,100MHz是电子系统中常见的EMI干扰频段(如开关电源纹波、高速数字信号辐射),30Ω的阻抗值可有效衰减该频段噪声;±25%的误差范围符合工业级元件的常规精度要求,适配多数应用场景的设计余量。

2.2 直流电阻(DCR)

直流电阻仅3mΩ,远低于同类大电流磁珠的平均水平。低DCR可显著减少电流传输中的功率损耗(P=I²R),例如10A电流下的损耗仅0.3W,大幅降低元件发热,提升系统整体效率与可靠性。

2.3 电流承载能力

额定电流为10A,支持连续工作电流达10A,满足电源回路、DC-DC转换器、电机驱动等功率电路的电流需求;实际应用中建议降额至8A以内(额定电流的80%),进一步保障长期可靠性。

2.4 通道与封装

单通道设计,结构简单易集成;采用0805封装(英制尺寸,对应公制2012),贴片式结构适合自动化贴装,体积小巧(约2.0mm×1.2mm×0.8mm),节省PCB空间,适配高密度电路布局。

三、应用场景分析

YI201209A301-10R0T的宽温特性与大电流能力,使其覆盖多类应用:

  1. 电源滤波:DC-DC转换器输出端、电池管理系统(BMS)电源回路,抑制高频纹波噪声;
  2. 高速数字电路:CPU、FPGA、DDR内存等高速组件的电源/信号线路,减少电磁辐射干扰;
  3. 汽车电子:车载电源、传感器电路、车载显示屏等,适应-55℃~+125℃的汽车级温度环境;
  4. 工业控制:PLC、伺服驱动器等工业设备,满足极端温湿度下的稳定工作;
  5. 消费电子:大功率充电器、LED驱动电源等,平衡噪声抑制与效率需求。

四、环境适应性与可靠性

4.1 宽温工作范围

工作温度覆盖**-55℃+125℃**,可适应户外低温、工业高温等极端环境,无需额外散热设计即可稳定工作;存储温度通常为-65℃+150℃,满足运输与存储要求。

4.2 可靠性测试

产品通过回流焊、波峰焊工艺验证,焊接后性能稳定;经老化测试与高低温循环测试,确保在1000小时以上的工作周期内,阻抗、DCR等参数变化率控制在5%以内,故障率远低于行业平均水平。

五、选型与使用注意事项

  1. 频段匹配:仅适用于100MHz左右的干扰频段,若系统干扰集中在其他频段(如1MHz、500MHz),需选择对应阻抗的磁珠;
  2. 电流降额:实际工作电流不超过8A,避免因过热导致阻抗下降或性能失效;
  3. 布局优化:磁珠应靠近噪声源(如开关管)或负载端,减少干扰耦合路径;
  4. 焊接规范:遵循贴片元件焊接流程,避免虚焊、假焊,焊接温度不超过260℃(回流焊峰值);
  5. 散热考量:若工作在125℃高温环境,需预留散热空间,避免元件周围温度过高。

总结,YI201209A301-10R0T磁珠以“大电流+低损耗+宽温适应”为核心优势,适配多场景EMI抑制需求,是电子系统设计中提升EMC合规性与功率效率的可靠选择。

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