WMSIC Electronic Components

SUPSiC GAQV214EH

ModelGAQV214EH
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 25+

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
SUPSi C GAQV214EH
Type
SUPSIC
Minimum package
1000 卷

Technical parameters

Electronic Component
SUPSIC
Electronic Component
GAQV214EH
Electronic Component
1
Package
SMD-6
Electronic Component
Solid State Relay (MOS Output)
Electronic Component
1.14g
Electronic Component
1
Electronic Component
BM0257658500
Resistor
20Ω
Operating Temperature
40℃~+85℃
Electronic Component
2A
Load Voltage
400V
Type
AC,DC
(Pd)
350mW
(Vf)
1.2V
Current(If)
50mA

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

GAQV214EH 产品概述

一、产品简介

GAQV214EH 是 SUPSiC(国晶微半导体)推出的一款高压、低功耗固态继电器/光电隔离输出器件(SMD-6 封装),面向需要高隔离电压与小体积封装的开关应用。器件采用光电驱动结构,输入端支持 AC 与 DC 驱动方式,输出端为单刀单掷(1A,常开)触点型式,适合在高压直流或交流回路中实现安全、低噪声的开关控制。

二、关键规格及解读

  • 触点形式:1A(单刀单掷 — 常开)
  • 连续负载电流:130 mA
  • 负载电压:400 V(最大)
  • 正向压降(Vf):1.2 V(典型,输入侧 LED)
  • 正向电流(If):50 mA(输入侧最大/推荐驱动)
  • 导通电阻:20 Ω(输出导通时等效阻抗)
  • 隔离电压(Vrms):5 kV(输入-输出间耐压)
  • 导通时间(Ton):230 μs
  • 截止时间(Toff):50 μs
  • 输入类型:AC / DC
  • 工作温度范围:-40 ℃ ~ +85 ℃
  • 总功耗(Pd):350 mW
  • 封装:SMD-6

规格要点解读:

  • 400 V 的负载电压和 5 kV 的隔离电压适用于中低压电源或信号隔离场合,满足较严格的安全隔离要求。
  • 130 mA 连续载流能力配合 20 Ω 的导通电阻,器件在满载工作时功耗接近器件总耗散上限(I²R 约 0.338 W),因此需要对热管理进行充分考虑与降额使用。
  • Ton/Toff 在百微秒量级,适合慢速或中速开关控制(如状态切换、电源控制、信号隔离),不适合高频调制或精密脉宽控制场合。

三、主要优势

  • 高电压隔离:5 kV 隔离能力提高系统抗电气干扰和人员安全保障。
  • 小型封装:SMD-6 便于自动化表贴和高密度 PCB 布局,适用于体积受限的模块化设计。
  • 宽输入适应性:支持 AC 与 DC 驱动,简化了驱动电路设计,增加了系统兼容性。
  • 低噪声与无触点:固态开关结构消除了机械触点抖动、火花与接触氧化问题,适合要求高信赖性的应用。

四、典型应用场景

  • 工业控制中的信号隔离与小功率负载开关(传感器供电、信号线隔离)
  • 电源管理及继电控制(中低压 DC/AC 回路断电保护、远程控制)
  • 医疗、通信设备中需要高隔离的控制接口
  • 测试测量设备、自动化仪表中作为高压隔离的开关元件

五、设计与使用建议

  • 热管理:考虑到导通损耗和器件 Pd(350 mW)限制,建议在长期运行中按温度上升进行电流降额。推荐连续工作电流不满负载上限(如 ≤100 mA)以延长寿命并降低温度。
  • 输入驱动:若使用固定电压驱动,如 3.3 V / 5 V,按 Vf 与 If 计算所需串联限流电阻:R = (Vdrive - Vf) / If。示例:3.3 V 驱动、目标 If = 20 mA 时,R ≈ (3.3 - 1.2) / 0.02 ≈ 105 Ω。
  • AC 驱动注意:器件支持 AC 输入时务必考虑极性与波形,使用交流时应评估平均 If 与峰值 If,避免超过器件瞬态承受能力;必要时加入整流或限流措施。
  • 抗感性负载:对电感性或含感性元件的负载(电机、继电器线圈等)建议在输出端并联 RC 抑制网络或 TVS,以抑制反向过压与瞬态电流。
  • PCB 布局:保持输入与输出之间的爬电距离和器件周围绝缘间距,遵循 5 kV 隔离的安全标准;在裸露高压走线处加大间距和增加阻焊覆盖。
  • ESD 与浪涌保护:在工业环境中,应考虑对输入端与输出端分别进行 ESD 防护与浪涌抑制设计。

六、封装与可靠性

SMD-6 封装利于自动化装配,但在焊接工艺上应采用符合供应商推荐的回流曲线,避免过高回流峰值温度导致封装内应力或引脚焊接失效。长期可靠性受温度与平均功耗影响较大,实际设计中建议进行温升测量与热仿真,确保工作点在安全范围内。

七、选型与注意事项

在选用 GAQV214EH 时,请重点核对系统的最大工作电压、连续电流需求与开关频率。若需更高电流或更低导通电阻,可考虑并联器件或选用额定电流更大的器件;若需更快的开关速度,则需备选专用高速固态继电器或 MOSFET 方案。最后建议参考供应商最新数据手册以获取完整电气特性曲线、封装尺寸图与焊接规范。

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