WMSIC Electronic Components

CD32YP0302-100M

ModelCD32YP0302-100M
PackageSMD,3.5x3x2.1mm
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 CD32YP0302-100M
Type
YJYCOIN
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
YJYCOIN
Electronic Component
CD32YP0302-100M
Electronic Component
1
Package
SMD,3.5x3x2.1mm
Type
Display Inductor
Electronic Component
Power Inductor
Electronic Component
±20%
Electronic Component
0.117g
Inductor
10uH
Electronic Component
1
Electronic Component
BM0264889154
Current
1A
Resistor(DCR)
342mΩ
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.

CD32YP0302-100M 产品概述

CD32YP0302-100M 是 YJYCOIN(益嘉源)推出的一款小尺寸功率电感,属于非屏蔽 SMD 结构,规格为 3.5 x 3.0 x 2.1 mm。该器件以 10 µH 标称电感、±20% 公差和 1 A 额定直流电流为主要参数,直流电阻(DCR)为 342 mΩ,适用于小功率电源滤波、降压/升压电路以及 EMI 抑制等场景。以下从参数、特性、典型应用与选型注意事项等方面对该产品做简明概述,便于工程设计与选型决策。

一、主要参数与封装信息

  • 型号:CD32YP0302-100M
  • 品牌:YJYCOIN(益嘉源)
  • 电感值:10 µH
  • 公差:±20%
  • 额定电流:1 A(直流)
  • 直流电阻(DCR):342 mΩ
  • 类型:非屏蔽(unshielded)功率电感
  • 封装/尺寸:SMD,3.5 x 3.0 x 2.1 mm
  • 典型用途:开关电源滤波、输出滤波、EMI/噪声抑制、功率管理模块

二、性能特点与工程意义

  • 小型化封装:3.5×3.0×2.1 mm 的 SMD 外形适合高密度 PCB 布局,可用于体积受限的移动设备、模块化电源及便携终端。
  • 适合小功率场合:1 A 的额定电流配合较高的 DCR(342 mΩ)表明器件更适合低到中等功率的应用场景,如电源输出小电流轨道或输入/输出滤波器,而非高效率大电流主电感。
  • 非屏蔽结构:电感无金属屏蔽,漏磁相对较大,在对磁耦合、漏磁敏感的应用场合需注意排布和磁干扰控制。
  • 成本与可替换性:较宽的 ±20% 公差和通用尺寸,使其在成本敏感型设计中具有良好替代性。

三、典型应用

  • 开关稳压器(降压/升压)的小电流输出滤波组件。
  • 电源输入/输出的噪声抑制与 EMI 滤波。
  • 音频、传感器模块及低功耗 MCU 电源滤波。
  • LED 驱动、便携电池管理中作为滤波或能量储存元件(受限于电流与功耗需求)。

四、选型与设计注意事项

  • DCR 与效率:342 mΩ 的直流电阻在 1 A 工作电流下会导致显著的 I^2R 损耗(约 0.342 W),在效率要求较高或持续大电流场景下需谨慎评估热量及能耗。
  • 饱和电流与纹波电流:产品资料未提供饱和电流与允许纹波电流的具体数值,选型时建议在实际电路中验证电感在最大纹波电流下的电感保持率与温升,或向供应商索取完整参数表。
  • 漏磁管理:非屏蔽结构在高密度布局或磁敏元件附近可能产生干扰,应采取合理的器件方向、间距以及必要的屏蔽措施。
  • 温升与散热:高 DCR 会引起较高温升,布局时应保证周边有良好散热路径,避免器件周边有热敏器件累积受热。

五、焊接与工艺建议

  • 推荐使用标准无铅回流工艺(JEDEC/IPC 通用曲线),预热、浸焊及峰值温度控制在 PCB 与元件规范范围内。典型建议:预热 150–200°C(60–120 s),峰值 240–260°C,回流峰值时间短于 40 s。
  • 在回流前应采用合适的焊膏印刷及贴装压力,避免器件在加热过程中移位。
  • 封装为 SMD,建议在 PCB 布局时给出与厂家推荐的焊盘、焊膏和锡量配套的焊盘设计,以确保焊点可靠性。

六、品质、测试与可靠性

  • 建议在批量采购前进行样片验证,重点测试项目包括:实际电感值、DCR 与随温度的变化、饱和当前特性、DC 与 AC 损耗、温升测试及长期热循环可靠性。
  • 对于关键应用,应与供应商确认元件的温度范围、材料等级、寿命数据以及是否通过相关的环境和可靠性认证(如高低温循环、震动与冲击等测试)。

七、选用建议与替代方案

  • 若设计中对效率或持续电流有更高要求,建议选择 DCR 更低且有明确饱和电流标注的屏蔽或大电流电感件。
  • 在 EMI 抑制或滤波对体积敏感但电流需求不大的场合,CD32YP0302-100M 是一个性价比合适的选择。
  • 采购时可考虑同时索取样片、数据手册和测试曲线(L vs I、DCR vs T、频率响应),以便在应用中做精确匹配。

总结:CD32YP0302-100M 为一款面向小功率滤波与噪声抑制的紧凑型非屏蔽功率电感,其 10 µH/1 A 的参数适合体积受限且电流不大的电源应用。设计时需重视其较高的 DCR 带来的热耗与效率影响,并在电路验证阶段对纹波电流与磁泄漏进行评估。

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