WMSIC Electronic Components

SGMICRO SGM40666ASYG/TR SGM40666ASYG

ModelSGM40666ASYG/TR
PackageWLCSP-12-B(1.65x1.24)
BrandSGMICRO
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 24+

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
SGMICRO SGM40666ASYG / TR
Type
WLCSP-12-B(1.65X1.24)
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
SGMICRO
Electronic Component
SGM40666ASYG/TR
Electronic Component
1
Electronic Component
1.27mm
Package
WLCSP-12-B(1.65x1.24)
Electronic Component
Surge Protector
Electronic Component
1g
Electronic Component
1.675mm
Electronic Component
0.685mm
FETType
Built-in FET
Electronic Component
1
Channel Count
1
Features
positions
Electronic Component
BM0231073724
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.

SGM40666ASYG/TR 产品概述

一、产品简介

SGM40666ASYG/TR 是圣邦微(SGMICRO)推出的一款集成型浪涌保护器,器件内部集成 FET,用于对电源或信号线上的瞬态浪涌、插拔冲击等进行电流限制与导通控制。器件针对占板面积极小、对导通损耗要求高的便携与嵌入式应用进行了优化,适配对体积、效率和可靠性有较高要求的系统设计。

二、主要电气与环境参数

  • FET 类型:内置 FET(集成功率开关)
  • 工作电压范围:2.5 V ~ 28 V,覆盖常见消费级和工业/12V车载侧低压域
  • 导通电阻 RDS(on):典型 27 mΩ,低导通阻抗降低功耗与热量产生
  • 工作温度范围:-40 ℃ ~ +85 ℃,适用于一般工业级温度环境

三、封装与机械特性

  • 封装:WLCSP-12-B (标称 1.65 × 1.24 mm)
  • 器件实物尺寸:长 1.675 mm × 宽 1.27 mm × 高 0.685 mm(低剖面设计)
    WLCSP 小型化封装有利于节约 PCB 面积并改善寄生电感,但对焊盘设计、焊接工艺与回流参数要求较高。

四、典型应用场景

  • 移动设备与便携终端的电源浪涌/插拔保护
  • USB/Type-C 功率路径保护与热插拔管理
  • 电源管理模块、电池保护电路与充电系统
  • 工业控制与通信设备的输入保护
  • 车载 12V 辅助电源域(注意系统瞬态管理需匹配更高电压/瞬变要求)

五、设计与布局建议

  • 尽量将器件置于受保护线路靠近外部接口的一端,缩短受保护路径以降低寄生阻抗。
  • WLCSP 封装要求严格的 PCB 焊盘与丝印定位,建议参考厂商提供的焊盘图与回流曲线。
  • 在高电流应用中,配合合适的散热路径(铜箔面积、热铜柱或过孔)有助于降低结温上升。
  • 对于需要抑制高能量瞬态的场合,建议与合适的 TVS 二极管或滤波网络联合使用,以满足系统级浪涌规范。
  • 关注器件最大功耗与热阻参数,避免在高温环境或持续大电流下超过器件热限。

六、选型与注意事项

  • 根据系统峰值电流和允许压降评估 RDS(on) 与功耗,27 mΩ 在多数中小电流场景下能提供较低损耗。
  • 工作电压上限 28 V,在需承受更高瞬态冲击(如某些车载浪涌场合)时,应额外评估能否配合抑制器件共同工作或选择更高规格器件。
  • 由于采用 WLCSP 封装,生产过程中需注意回流焊工艺控制与抗焊盘脱落能力,推荐与 PCB 制造方和组装方沟通工艺要求。
  • TR 后缀表明卷带供料(Tape & Reel),便于 SM T 贴片生产与自动化装配。

七、总结

SGM40666ASYG/TR 以小型 WLCSP 封装与内部集成 FET 为特色,在 2.5–28 V 电压域内提供低导通电阻(27 mΩ)和相对宽的工作温度范围,适合对体积、效率与成本有综合要求的电源保护与热插拔场景。在工程应用中,应结合 PCB 布局、散热设计和系统级浪涌抑制方案进行综合评估,以确保长期可靠性与性能。若需进一步的电气特性曲线、封装焊盘图或推荐应用电路,请参考厂商数据手册或联系圣邦微技术支持。

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