WMSIC Electronic Components

PSA MCS0420-1R0MN2 MCS0420

ModelMCS0420-1R0MN2
PackageSMD,4.5x4mm
BrandPSA
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
PSA MCS0420-1R0MN2
Type
PSA
Minimum package
2000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
PSA
Electronic Component
MCS0420-1R0MN2
Electronic Component
1
Package
SMD,4.5x4mm
Electronic Component
Power Inductor
Electronic Component
±20%
Electronic Component
0.328g
Inductor
1uH
Electronic Component
1
Electronic Component
BM0265313811
Current
4.5A
Resistor(DCR)
24mΩ
Electronic Component
Electronic Component
Electronic Component
2000
and Current(Isat)
7A

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

MCS0420-1R0MN2 功率电感产品概述

MCS0420-1R0MN2是PSA信昌电陶推出的一款表面贴装(SMD)功率电感,针对中低功率电子设备的电源转换场景设计,兼具小体积、高电流承载能力与低损耗特性,是DC-DC转换、电源滤波等电路的常用优选元件。

一、产品基本信息

该电感属于PSA信昌电陶的中功率SMD电感系列,型号命名规则清晰:

  • “MCS0420”代表封装规格(4.0×4.6×2.0mm);
  • “1R0”表示电感标称值1μH;
  • “MN2”对应精度±20%。

产品采用表面贴装工艺,可直接焊接于PCB板,适配各类自动化生产流程,无需额外手工操作。

二、核心电气参数详解

1. 电感值与精度

电感标称值为1μH,精度±20%(实际范围0.8μH~1.2μH),满足大多数工业级、消费级电源电路对储能稳定性的需求——无需高精度筛选即可适配常规应用,降低BOM成本。

2. 电流承载能力

  • 额定电流(Irms):4.5A:指25℃环境下,电感持续工作时温升不超过典型值(30℃~50℃)的最大均方根电流,是电路持续运行的核心参考;
  • 饱和电流(Isat):7A:磁芯未明显饱和(电感值下降≤30%)时的最大电流,用于评估瞬态过载(如启动瞬间、负载突变)的耐受能力,比额定电流更宽松但需注意饱和后电感下降对电路的影响。

3. 直流电阻(DCR)

DCR为24mΩ(毫欧级),属于低损耗设计:直流电阻越小,电感铜损(I²×R)越低,发热越少,可有效提升电源转换效率,减少散热设计压力。

三、关键性能特性

1. 小体积高密度

封装尺寸为4.0mm(长)×4.6mm(宽)×2.0mm(高),属于紧凑型SMD封装,可显著节省PCB板空间,适配智能手机、智能穿戴等对体积敏感的设备。

2. 低损耗高转换效率

除低DCR外,采用高性能铁氧体磁芯,减少铁损(磁滞损耗+涡流损耗),整体损耗控制在较低水平——配合DC-DC芯片可实现85%~90%以上的转换效率,符合节能需求。

3. 宽温度适应性

产品工作温度范围为**-40℃~125℃**(工业级标准),可适应低温环境(如户外物联网设备)与高温环境(如车载电子、工业控制器),无需额外温控设计。

4. 高可靠性

SMD封装兼容标准回流焊工艺(温度曲线遵循IPC/J-STD-020标准),焊接可靠性高;磁芯与线圈采用一体成型工艺,抗振动、抗冲击能力强,适合移动设备或工业现场环境。

四、典型应用场景

该电感因特性匹配,广泛应用于以下场景:

  1. 消费电子:智能手机、平板电脑的PMIC(电源管理芯片)周边DC-DC电路、无线充电接收端滤波;
  2. 工业控制:小型PLC、伺服驱动器的低功率电源模块;
  3. 物联网设备:传感器节点、智能门锁的电池供电转换电路;
  4. 通信设备:路由器、交换机的5V/3.3V电源滤波;
  5. 车载电子:车载充电器、仪表盘背光电源(适配低功率车载辅助电源场景)。

五、选型与安装注意事项

1. 选型参考

  • 电流匹配:电路最大持续电流需小于额定电流的80%(留余量),避免过热;
  • 精度要求:±20%可满足常规电源,若用于射频滤波等需高精度场景,需更换其他型号;
  • 环境温度:高温环境(>85℃)需按降额曲线使用(额定电流降额30%~50%)。

2. 安装说明

  • 回流焊:遵循IPC标准温度曲线,峰值温度≤260℃,时间≤10秒;
  • PCB布局:电感输入输出端尽量短,减少环路面积以降低EMI;周围避免放置高频元件(如晶振),预留1mm以上散热空间。

总结

MCS0420-1R0MN2功率电感综合小体积、高电流、低损耗与宽温适应性,是中低功率电子设备电源电路的高性价比选择,可有效简化设计、降低成本,适配自动化生产流程。

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