WMSIC Electronic Components

YJYCOIN YI321611Z121-6R0T YI321611Z121

ModelYI321611Z121-6R0T
Package1206
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+

Availability on request

Technical data

Product details

19 specifications

Core information

Product name
YJYCOIN YI321611Z121-6R0T
Type
YJYCOIN
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
YJYCOIN
Electronic Component
YI321611Z121-6R0T
Electronic Component
1
Package
1206
Electronic Component
Ferrite Bead
Electronic Component
±25%
Electronic Component
0.07g
Electronic Component
1
Channel Count
1
Electronic Component
BM0264968346
Operating Temperature
40℃~+125℃
Current
6A
@Frequency
120Ω@100MHz
Resistor(DCR)
20mΩ
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.

YI321611Z121-6R0T 片式磁珠产品概述

YI321611Z121-6R0T是益嘉源(YJYCOIN)推出的1206封装大电流片式磁珠,针对高频电磁干扰(EMI)抑制与高功率电流承载的双重需求设计,平衡了低直流电阻(DCR)与目标频段阻抗特性,广泛适配汽车电子、工业控制、高功率消费电子等场景。

一、产品核心定位与价值

该磁珠的核心设计目标是解决“高电流场景下的EMI抑制”痛点:

  • 既满足6A持续电流的电源系统需求,又能在100MHz(常见EMI干扰频段)提供120Ω的有效阻抗;
  • 低DCR(20mΩ)大幅降低功率损耗与发热,提升系统能效;
  • 宽温特性(-40℃~+125℃)覆盖极端环境应用,符合工业级与车规级要求。

二、关键性能参数详解

1. 高频阻抗特性

在100MHz频率下,阻抗标称值为120Ω,误差范围±25%(实际阻抗区间90Ω~150Ω),针对开关电源纹波、射频杂散等100MHz左右干扰提供有效抑制,满足多数设备EMC测试需求。

2. 直流电阻(DCR)

标称20mΩ的低DCR是核心优势:

  • 6A电流下功率损耗仅720mW,远低于同类产品平均水平;
  • 减少发热,避免磁珠温度过高导致阻抗衰减,提升长期可靠性。

3. 额定电流能力

持续额定电流6A,支持直流/交流承载,适配汽车BMS、65W/100W快充、工业伺服驱动器等大电流回路。

4. 宽温工作范围

覆盖**-40℃~+125℃**,通过高低温循环测试,适应汽车发动机舱、户外工业设备等极端环境。

5. 封装与通道数

  • 封装:1206(英制)=3216(公制,3.2mm×1.6mm),贴片式适配SMT自动化生产,节省PCB空间;
  • 通道数:1,单通道结构简单,无交叉干扰,易集成。

三、结构设计与材料特性

采用铁氧体+低阻合金复合结构:

  • 铁氧体材料:针对100MHz频段优化磁导率,提升阻抗特性;
  • 低阻合金导体:降低DCR,兼顾大电流承载;
  • 表面镀层:无铅锡镀层,符合RoHS/REACH标准,焊接兼容性好。

四、典型应用场景

1. 汽车电子领域

  • 车载电源(DC-DC转换器、OBC)EMI滤波;
  • BMS高压回路纹波抑制;
  • CAN/LIN总线共模干扰抑制。

2. 工业控制领域

  • PLC、伺服驱动器电源滤波;
  • 变频器功率回路EMI抑制。

3. 高功率消费电子

  • 65W/100W快充、游戏主机电源模块滤波;
  • LED驱动电源EMI抑制。

4. 通信设备

  • 基站、路由器电源滤波;
  • 射频模块杂散干扰抑制。

五、可靠性与环保合规

  • 可靠性:通过温度循环(1000次)、回流焊(260℃/10s)、振动测试(GB/T 2423.10),性能稳定;
  • 环保:符合RoHS 2.0、REACH法规,无铅无镉等有害物质。

六、应用注意事项

1. 阻抗匹配

干扰集中100MHz时优先选择,频段偏移可参考同系列其他型号(如80Ω@100MHz、150Ω@100MHz)。

2. 电流校核

实际工作电流≤6A,脉冲峰值≤7.2A(1.2倍额定值),避免过热。

3. PCB布局

  • 靠近干扰源(如开关MOS管)或负载端,减少寄生电感;
  • 避免与高频信号线平行走线,防止耦合干扰;
  • 焊盘尺寸匹配1206封装(长3.4±0.2mm,宽1.8±0.2mm)。

4. 串联使用

多颗串联需总电流≤6A,总DCR为单颗DCR累加(n颗=20n mΩ)。

总结

YI321611Z121-6R0T磁珠以低DCR+大电流+宽温+高频阻抗为核心优势,适配自动化生产,可靠性符合工业/车规要求,是高功率设备EMI抑制的优选方案,覆盖汽车、工业、消费电子等多领域。

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