WMSIC Electronic Components

SUPSiC GAQY212GEH

ModelGAQY212GEH
PackageSMD4
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 Date code within 2 years

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
SUPSi C GAQY212GEH
Type
SUPSIC
Minimum package
2000 卷

Technical parameters

Electronic Component
SUPSIC
Electronic Component
GAQY212GEH
Electronic Component
1
Package
SMD4
Electronic Component
Solid State Relay (MOS Output)
Electronic Component
0.335g
Electronic Component
1
Electronic Component
BM0257658493
Resistor
2Ω
Operating Temperature
40℃~+85℃
Resistor
5000MΩ
Electronic Component
2A
Load Voltage
60V
Type
AC,DC
(Pd)
450mW
(Vf)
1.2V

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

GAQY212GEH 产品概述

一、产品简介

GAQY212GEH 是 SUPSiC(国晶微半导体)推出的一款小封装固态继电器 / 光耦式开关元件,SMD4 封装,面向板级隔离和低电流负载开关应用。器件采用光电驱动输入与低导通电阻输出相结合的设计,具有高隔离电压、低输入驱动电流和良好的开关特性,适合工业控制、通信设备、家电和消费类电子等场景。

二、主要规格要点

  • 触点形式:1A(单刀单掷,常开)
  • 连续负载电流:500 mA(最大持续通过能力)
  • 负载电压:60 V(最大承受电压)
  • 正向压降(Vf):1.2 V(输入 LED 正向电压)
  • 正向电流(If):7 mA(典型驱动电流)
  • 导通电阻:2 Ω(开通时等效电阻)
  • 隔离电压(Vrms):3.75 kV(输入与输出间耐压)
  • 导通时间(Ton):500 μs
  • 截止时间(Toff):50 μs
  • 输入类型:支持 AC / DC 驱动(输入端可接受直流或经限流的交流)
  • 工作温度范围:-40 ℃ ~ +85 ℃
  • 总功耗(Pd):450 mW(器件自身最大功耗)
  • 绝缘电阻:5000 MΩ(常温、额定条件下)
  • 封装:SMD4(表贴,体积小,利于自动化贴装)

三、主要特性与优势

  • 高隔离性:3.75 kVrms 隔离电压和 5000 MΩ 的绝缘电阻,适合对安全与信号隔离有较高要求的系统。
  • 低驱动功耗:典型输入电流仅 7 mA,配合 1.2 V 的正向压降,可用较小限流电阻直接驱动,降低控制端功耗。
  • 低导通阻抗:2 Ω 的导通电阻在 500 mA 负载下仍能保持较小压降与热耗,适合小电流开关场景。
  • 宽温度范围与良好可靠性:-40 ℃ 至 +85 ℃ 适应多种工业与消费环境。
  • 快速开关响应:关断速度快(Toff 50 μs),适合需较快断续控制的应用;导通时间较长(Ton 500 μs),便于滤除瞬态干扰。

四、典型应用场景

  • 板级电源与负载管理:用于微小电流负载的断开与保护,如传感器供电分路、待机电源切换。
  • 通信与信号隔离:提供逻辑侧与高压侧电气隔离的开关控制。
  • 工业控制与自动化:驱动小功率继电器、指示灯或实现低压回路断开。
  • 家电与消费电子:用于控制小型直流马达、继电器驱动线圈或电池保护开关。

五、使用与设计建议

  • 驱动电阻计算示例:
    • 若控制电压为 5 V,R = (5 V − 1.2 V) / 7 mA ≈ 543 Ω,可选 560 Ω。
    • 若控制电压为 3.3 V,R = (3.3 V − 1.2 V) / 7 mA ≈ 300 Ω。
    • 若输入为交流,建议在 PCB 侧增加整流/限流或使用合适桥式整流与限流电阻以保证 LED 两端安全电压与电流。
  • 热管理与功耗:
    • 器件总功耗 Pd 为 450 mW,实际应用中应考虑导通损耗(I^2·R)与环境温度;在接近最大负载 500 mA 时,导通压降约为 I·R = 0.5 A × 2 Ω = 1.0 V,产生约 0.5 W 的导通功耗(需注意热量与封装散热限制)。
    • 在高温或高持续电流条件下建议适度降额使用,或改善 PCB 散热(加大铜箔面积、增加热过孔等)。
  • 开关特性注意:
    • Ton 较长(500 μs),因此对需要极高速率开关(如 PWM 高频段)应用需评估导通延迟影响;Toff 较短,可快速断开。
  • PCB 布局:
    • 保持输入与输出之间足够爬电距离,配合器件本身隔离等级以满足系统安全认证要求。
    • SMD4 尺寸小,应遵循厂商推荐焊盘与回流焊剖面,避免焊接应力或冷焊导致接触不良。

六、可靠性与合规性关注

  • 器件在 -40 ℃ 至 +85 ℃ 工作范围内长期稳定,适合大多数工业与消费环境。
  • 在高湿或高污染环境下,应结合系统密封或防护设计以维持绝缘电阻与长期可靠性。
  • 在需要满足特定安全标准的系统中,应结合整机电气间隙/爬电距离与外壳设计进行整体验证。

七、小结

GAQY212GEH 以其高隔离电压、低驱动电流、较低导通电阻和小型 SMD4 封装特点,适合用于板级隔离开关与小功率负载控制。设计时需关注导通功耗与热量管理,并按照应用场景选择合适的驱动与降额策略,以保证长期可靠性与系统安全性。若需要更详细的封装尺寸、典型电路图或完整电气特性曲线,建议参阅供应商详细数据手册或联系技术支持。

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