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SUPSiC GAQV258EH
Configuration
1 options
Configuration
Date code within 2 years
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- SUPSi C GAQV258EH
- Type
- SUPSIC
- Minimum package
- 1000 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- SUPSIC
- Electronic Component
- GAQV258EH
- Electronic Component
- 1
- Package
- SMD-6
- Electronic Component
- Solid State Relay (MOS Output)
- Electronic Component
- 1.144g
- Electronic Component
- 1
- Electronic Component
- BM0227373305
- Resistor
- 90Ω
- Operating Temperature
- 40℃~+85℃
- Electronic Component
- 2A
- Load Voltage
- 1.5kV
- Type
- AC,DC
- (Pd)
- 500mW
- (Vf)
- 1.2V
For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.
GAQV258EH 产品概述
一 主要特性
GAQV258EH 是国晶微半导体（SUPSiC）推出的高压小电流固态开关器件，触点形式为 1A（单刀单掷，常开，SPST‑NO）。器件支持最高负载电压 1500V，连续负载电流 45mA，适合高压低功率的信号和偏置开关场合。输入端可接 AC 或 DC，典型正向压降 Vf = 1.2V（If = 7mA），导通电阻约 90Ω，器件隔离电压 Vrms = 5kV，工作温度范围 -40℃～+85℃，整机功耗 Pd = 500mW，封装为 SMD‑6，适合表面贴装加工。
二 电气参数解读
- 输入：兼容交流或直流驱动，典型驱动电流 7mA 时正向压降 1.2V，便于与 MCU、驱动芯片或隔离电路直接配合。
- 输出：1500V 的耐压能力使其适用于高压测量与高压控制路径，但连续输出电流受限为 45mA，适合信号级或偏置级开关，非用作大功率负载开关。导通电阻约 90Ω，会产生一定压降与热耗损。
- 隔离与耐压：5kV rms 的隔离电压满足大多数工业/仪器级隔离要求，适合高压侧与控制侧安全隔离设计。
- 切换性能：导通时间 Ton ≈ 200µs，截止时间 Toff ≈ 50µs，属于中等速度开关，适合低频或断续控制，不适合高频功率开关应用。
三 封装与热管理
SMD‑6 表面贴装封装便于自动化贴装与小型化布局。由于器件最大功耗仅 500mW，需在 PCB 布局时注意散热路径与散热铜箔面积，避免长期在高温下工作导致性能退化。高压应用同时要注意器件周围的爬电距离与涂覆/绝缘处理。
四 典型应用场景
- 高压测试仪器中的高压信号开关与偏置切换
- 电表与传感器的高压隔离采样路径
- 医疗检测与分析仪器（满足隔离要求的前提下）
- 工业自动化中高压控制信号的安全隔离与切换
五 使用建议与注意事项
- 由于最大连续电流仅 45mA，避免驱动负载电流过大或长时间短路；若存在脉冲电流，应考虑等效热耗与脉冲宽度对器件 Pd 的影响。
- 输入驱动电流应保证达到器件导通阈值，建议保留一定裕量（例如 7–10mA）以确保可靠导通。
- 在高压环境下，PCB 设计需满足相应的空隙与爬电距离规范，并考虑涂覆或绝缘材料以提高污染等级下的耐压可靠性。
- 注意导通电阻导致的压降与发热，必要时增大散热面积或采用间接冷却。
六 小结
GAQV258EH 提供 1500V 高耐压与 5kV 隔离能力，适用于高压低电流的安全隔离与信号切换场合。选型时应以其低电流额定、导通电阻与开关速度为约束条件，合理配置驱动与 PCB 布局以获得稳定可靠的系统性能。
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