WMSIC Electronic Components

Chilisin BWVF002520121R0M00

ModelBWVF002520121R0M00
Package1008
Brandchilisin
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
chilisin BWVF002520121R0M00
Type
CHILISIN
Minimum package
2000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
CHILISIN
Electronic Component
BWVF002520121R0M00
Electronic Component
1
Package
1008
Type
Magnetic Display Inductor
Electronic Component
Power Inductor
Electronic Component
±20%
Electronic Component
0.051g
Inductor
1uH
Electronic Component
1
Electronic Component
BM0264545355
Current
2.4A
Resistor(DCR)
50mΩ
Electronic Component
Electronic Component
Electronic Component
2000

For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.

BWVF002520121R0M00 产品概述

一、产品简介

BWVF002520121R0M00 为 chilisin(奇力新)系列功率型磁胶屏蔽贴片电感,额定电感值 1.0 µH(±20%),专为开关电源、DC-DC 变换器及电源滤波设计。器件采用 1008 封装,外形尺寸约 2.0 × 2.5 mm,适合高密度表面贴装,提高系统功率密度同时兼顾电磁兼容性。

二、关键参数

  • 电感值:1 µH,公差 ±20%
  • 额定电流(Ir):2.4 A(连续工作参考值)
  • 饱和电流(Isat):2.5 A(大幅下降前的临界点)
  • 直流电阻(DCR):约 50 mΩ(典型)
  • 类型:磁胶屏蔽电感(屏蔽结构,降低磁泄漏)
  • 封装/尺寸:1008(SMD),2 × 2.5 mm
  • 品牌:chilisin(奇力新)

三、特性与优势

  • 低 DCR:50 mΩ 级别有利于减小铜损和发热,提升效率,适合中小电流功率路径。
  • 良好饱和特性:Isat 2.5 A,针对短时冲击电流有一定裕量,适用于有启动或瞬态负载的系统。
  • 屏蔽结构:磁胶屏蔽设计有效抑制磁通泄露,降低对周围敏感器件的干扰,利于电磁兼容(EMC)优化。
  • 小尺寸:1008 小封装便于高密度布局,适合移动设备、电源模块与嵌入式系统。
  • SMD 贴装:兼容无铅回流工艺,易于自动化生产。

四、典型应用场景

  • 手机、平板、可穿戴设备的电源管理模块(PMIC)
  • DC-DC 降压/升压转换器中的储能与滤波电感
  • 小型电源适配器、LED 驱动电路、消费电子与物联网终端电源前端
  • EMI 滤波器与电磁干扰抑制网络

五、设计与使用建议

  • 电流裕量:建议工作电流留有裕量,通常按额定电流的 70%–80% 选用,以避免长期热应力与饱和现象。
  • 布局:电感与电源开关器件(MOSFET、二极管)尽量靠近,输入输出回流路径短且宽,以减少寄生感抗和噪声辐射。保持合适的接地平面,屏蔽效应最佳化。
  • 散热:尽量保证良好铜箔散热路径,DCR 引起的功率损耗随电流平方增加,布局与走线要考虑热管理。
  • 测试条件:实际电感值、DCR 与饱和特性受频率、温度与施加电流影响,设计时应结合目标工作频段与温度曲线验证。

六、封装、焊接与可靠性

  • 1008 SMD 封装适配常规贴片生产线,支持无铅回流焊接;建议遵循供应商回流温度曲线与潮湿敏感级别(MSL)规范以保证可靠性。
  • 在振动、热循环等可靠性试验中,屏蔽结构与磁胶材料有助于机械稳定性,但仍需按系统环境做加速寿命验证。

七、选型要点

  • 若系统峰值电流接近或超过 2.4–2.5 A,应选择更高额定电流或更大饱和裕量的器件。
  • 在追求更低功耗或更高效率场合,可优先考虑更低 DCR 的替代型号;在对 EMI 要求苛刻的系统,屏蔽效果好的型号更为合适。
  • 最终敲定前,建议在目标 PCB、目标温升与工作频率下进行实际测评(电感值、损耗、温升与 EMI 测试)。

如需器件数据手册、封装图或推荐PCB焊盘布局,请提供联系信息或告知具体应用场景,我可进一步提供针对性的布局与选型建议。

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