WMSIC Electronic Components

SUPSiC GAQV211G4EH

ModelGAQV211G4EH
PackageSMD-6
BrandSUPSIC
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
SUPSi C GAQV211G4EH
Type
SUPSIC
Minimum package
1000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
SUPSIC
Electronic Component
GAQV211G4EH
Electronic Component
1
Package
SMD-6
Electronic Component
Solid State Relay (MOS Output)
Electronic Component
1.118g
Electronic Component
1
Electronic Component
BM0227373192
Resistor
33mΩ
Electronic Component
2A
Load Voltage
40V
Type
AC,DC
(Vf)
1.2V
Current(If)
50mA
(Ton)
1.5ms

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

GAQV211G4EH 产品概述 — SUPSiC(国晶微半导体)

一、产品定位与核心参数

GAQV211G4EH 为 SUPSiC(国晶微半导体)面向中等功率开关应用的固态开关器件(SMD-6 封装)。其关键电气参数如下:

  • 触点形式:1A(单刀单掷,常开,等同于单通道开关)
  • 连续负载电流:4.5 A(连续导通能力)
  • 额定负载电压:40 V(最高工作电压等级)
  • 输入特性:正向压降 Vf = 1.2 V、正向电流 If = 50 mA(输入端为发光二极管式驱动,支持 AC / DC 驱动)
  • 导通电阻:RDS(on) 等效 33 mΩ(导通时低压降)
  • 开关性能:导通时间 Ton = 1.5 ms,截止时间 Toff = 50 μs(导通/关断行为不对称)
  • 封装:SMD-6(适合表面贴装自动化工艺)

以上参数表明该器件适合以固态方式替代传统机械继电器或作为低压直流 / 交流功率开关使用。

二、主要特性与工程意义

  • 低导通损耗:33 mΩ 的等效导通电阻,在 4.5 A 连续电流下的导通压降仅约 0.15 V,导通功耗约为 0.67 W(P = I^2·R),利于小型化系统中减少发热与提高转换效率。
  • 输入驱动友好:Vf ≈ 1.2 V,若由 MCU 或驱动电路驱动,按常用 10–20 mA 工作电流计算,驱动电阻小、驱动电压要求低;同时标注支持 AC、DC 输入,适用于交流整流或直接直流控制场景。
  • 快速关断、相对慢的导通:Toff 仅 50 μs,Ton 为 1.5 ms,说明关断响应快但导通上升较慢。此特性对某些 PWM 或精细占空比控制场景(尤其高频 PWM)需要评估开关损耗和波形失真。
  • SMD-6 封装利于高密度 PCB 布局和自动贴装,但对散热有一定要求,需要优化铜箔面积与过孔散热。

三、典型应用场景

  • 继电器替代:在要求无触点、高可靠性、长寿命的切换应用(例如工业控制、家电、仪器仪表)中替代机械继电器。
  • DC/AC 小功率开关:电池管理、电源切换、太阳能逆变侧的小功率并/切换回路。
  • LED 驱动与照明控制:对恒流或恒压灯具进行零噪声开关控制。
  • 电机控制的保护回路、断路模块或负载选择开关(需注意感性负载的浪涌与续流)。
  • 通信/测试设备中的电源路切换与分路控制。

四、设计注意事项与建议

  • 驱动电流与限流电阻:If 给出为 50 mA(极限),实际驱动推荐在 5–20 mA 区间以平衡响应速度与驱动功耗。例如 MCU 3.3 V 驱动、设定 If = 20 mA 时,限流电阻 R ≈ (3.3 − 1.2) / 0.02 ≈ 105 Ω。
  • 散热管理:在最大连续电流 4.5 A 下器件功耗接近 0.7 W,建议在 PCB 下方/周围布置大面积铜箔、若干过孔导通至内/底层散热面,必要时并联散热铜柱或金属基板。
  • 感性负载的保护:对电机或电感负载,外接并联箝位二极管或 RC 型吸收网络以限制反向尖峰,避免器件承受超额电压。
  • 开关频率选择:由于 Ton 较长(1.5 ms),应避免在高频(kHz 级)PWM 下直接作为开关元件,以免造成大量开关损耗与波形畸变。适合低频开关、继电器替换或静态切换场景。
  • PCB 布局:SMD-6 标准脚位区域加宽导流线,输入侧与输出侧分区域走线,注意输入驱动与功率回路分离以降低干扰;在功率走线处使用对称走线并尽量缩短回流路径。

五、可靠性与选型提示

  • 了解完整规约:实际设计前请参考 SUPSiC 正式数据手册,确认绝缘电压、漏电流、热阻、寿命(循环次数)、环境温度曲线及典型应用示意图。
  • 温度与电流的并行打折:在高工作温度下对连续电流进行适当降额,以保证长期可靠性。
  • 测试与验证:对系统进行热仿真与实际功率循环测试,特别在高温、连续负载或感性负载切换场景下验证电气与热稳定性。

六、结论

GAQV211G4EH 在 40 V/4.5 A 量级提供了低导通损耗与表面贴装便利,适合替代机械继电器或作为小功率固态开关用于工业控制、照明及电源切换等场景。设计时重点关注输入驱动电流、散热设计与对感性负载的抑制措施;最终选型应以厂商完整数据手册与应用笔记为准,必要时联系供应商获得定制支持与可靠性数据。

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