WMSIC Electronic Components

SXN SMMS0650A-150M Inductor SMMS0650A

ModelSMMS0650A-150M
PackageSMD,7.1x6.6mm
BrandSXN
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
SXN SMMS0650A-150M
Type
SXN
Minimum package
1000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
SXN
Electronic Component
SMMS0650A-150M
Electronic Component
1
Package
SMD,7.1x6.6mm
Type
Inductor
Electronic Component
Power Inductor
Electronic Component
±20%
Electronic Component
1.564g
Inductor
15uH
Electronic Component
1
Electronic Component
BM0264785194
Electronic Component
AEC-Q200
Current
4A
Resistor(DCR)
85mΩ
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.

SMMS0650A-150M 一体成型电感产品概述

一、产品定位与核心特性

SMMS0650A-150M是顺翔诺(SXN)推出的车规级一体成型电感,专为汽车电子及工业控制领域的中功率直流变换、滤波场景设计。其核心特性围绕「高电流密度、低损耗、车规可靠性」展开,兼顾性能与成本,可满足车载电源、传感器模块等严苛环境下的稳定运行需求。

二、关键参数详解

1. 电感值与精度

电感标称值为15μH,精度±20%,符合车规电感的通用误差范围。该参数可满足大多数DC-DC转换器的储能需求(如12V转5V/3.3V电路的电感选型),精度设计平衡了批量生产一致性与成本控制。

2. 电流性能参数

  • 额定电流(Irms):4A:指连续工作状态下,电感自身温升不超过行业标准(通常≤40℃)的最大电流,可保障长期稳定运行无过热风险;
  • 饱和电流(Isat):5A:当电流达到5A时,电感值因磁芯饱和下降不超过30%(行业通用判定标准),可应对电路中的峰值电流波动(如启动瞬间、负载突变),避免电感失效。

3. 直流电阻(DCR)

直流电阻为85mΩ,属于同规格电感中的低损耗水平。低DCR可显著降低铜损(P=I²R),减少电源转换效率损耗,尤其适合需要高效能的车载电源设计。

三、设计优势与工艺特点

1. 一体成型结构优势

采用磁粉芯一体成型工艺,相比传统绕线电感:

  • 降低电磁干扰(EMI):磁芯包裹绕组,减少漏磁,无需额外屏蔽即可满足车载EMC要求;
  • 抗振动/抗冲击:无外露绕组,结构紧凑坚固,可通过汽车级振动测试(如10~2000Hz随机振动);
  • 一致性更好:批量生产时电感值、DCR波动小,简化电路设计的兼容性。

2. 磁芯与绕组优化

磁芯选用高饱和磁通密度的合金材料(如铁硅铝),兼顾高电流能力与低损耗;绕组采用粗线径漆包线,匹配4A额定电流需求,同时控制DCR在85mΩ以内。

四、典型应用场景

SMMS0650A-150M的车规认证与性能参数,使其适配以下场景:

  1. 车载电源系统:12V/24V转5V/3.3V DC-DC转换器(如中控屏电源、仪表盘电源);
  2. 汽车电子模块:ADAS传感器(毫米波雷达、摄像头)的滤波电路、车身控制器(BCM)的电源模块;
  3. 工业控制电源:低功率伺服驱动器、PLC辅助电源(因AEC-Q200认证可覆盖工业 harsh环境);
  4. 消费电子电源:高功率快充适配器(如65W PD快充的次级滤波)。

五、可靠性与合规性

1. 车规级认证

通过AEC-Q200认证,可在-40℃~125℃的宽温范围稳定工作,通过包括温度循环、湿度偏置、振动冲击在内的汽车级可靠性测试,符合ISO 16750等车载电子标准。

2. 环境适应性

一体成型结构+车规材料,可抵抗汽车行驶中的振动、盐雾(沿海地区)、温度变化等恶劣条件,使用寿命长。

六、封装与尺寸规格

采用SMD表面贴装封装,尺寸为7.1mm×6.6mm(长×宽),属于紧凑型封装(同电感值下尺寸更小),适合车载PCB高密度布局(如仪表盘、车载主机的小体积设计)。引脚设计兼容回流焊工艺,焊接可靠性高,可适配自动化生产。

总结:SMMS0650A-150M以车规级可靠性为核心,结合低损耗、高电流密度与紧凑尺寸,是汽车电子、工业控制等领域中功率电感选型的高性价比方案。

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