WMSIC Electronic Components

AQV258HAXC88

ModelAQV258HAXC88
PackageSMD-5P
BrandPANASONIC
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
PANASONIC AQV258HAXC88
Type
PANASONIC
Minimum package
1000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
PANASONIC
Electronic Component
AQV258HAXC88
Electronic Component
1
Package
SMD-5P
Electronic Component
Solid State Relay (MOS Output)
Electronic Component
0.59g
Electronic Component
1
Electronic Component
BM0257240272
Resistor
305Ω
Operating Temperature
40℃~+85℃
Resistor
1000MΩ
Load Voltage
1.5kV
(Pd)
410mW
(Vf)
1.35V
Current(If)
50mA

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

AQV258HAXC88 产品概述

AQV258HAXC88 是松下(PANASONIC)的一款小型固态继电器/光耦式开关器件,采用 SMD-5P 封装。该器件以高隔离电压和低驱动电流为特长,适用于需要高压耐受与电气隔离的小电流开关场合。以下从特性、电气参数、封装与可靠性、典型应用和使用注意事项等方面进行说明,便于工程选型与设计应用。

一、主要特性

  • 连续负载电流:20 mA,适合微弱信号或小电流负载的开关控制。
  • 最高负载电压:1.5 kV,具备较高耐压能力,适合高压信号隔离与切换。
  • 隔离电压(Vrms):5 kV,满足常见的系统级隔离要求,提升人员与电路安全性。
  • 正向压降(Vf):1.35 V(LED 驱动端参考值),驱动功率低、便于与 MCU 或驱动电路直接配合。
  • 导通阻抗:305 Ω(典型或最大值),在额定电流下会造成一定的压降与功耗,需要在设计中考虑。
  • 开关时间:导通时间 Ton ≈ 140 μs,截止时间 Toff ≈ 100 μs,适合低频或脉冲型信号切换,不适合超高速数据链路。

二、电气性能与热限制

  • 正向电流 If(LED 最大):50 mA,通常建议实际驱动电流远低于最大值以延长寿命并降低热耗。
  • 总功耗 Pd:410 mW,器件在导通时会产生热量,需结合 PCB 散热设计,避免环境温度与功耗叠加导致超温。
  • 绝缘电阻:1000 MΩ,表明在高阻抗隔离条件下泄漏极小,适用于精密测量与高阻抗电路。
    在实际应用中,考虑到 305 Ω 的导通阻抗与 20 mA 的连续电流,压降与功耗需预先计算,确保不超过器件的热限与长期可靠性。

三、封装与工作环境

  • 封装:SMD-5P 表面贴装,利于自动化贴装与小型化设计。
  • 工作温度范围:-40 ℃ 至 +85 ℃,适应多数工业与消费电子环境,但在高温环境下需留有热裕量。
    SMD 封装对焊接温度曲线需遵循厂商工艺规范,避免在回流焊中超过器件允差导致性能退化。

四、典型应用场景

  • 高压信号隔离与切换:电子测量仪器中用于采集回路与控制回路隔离。
  • 仪器仪表:需要高隔离电压且切换电流较小的场合。
  • 电源监测与保护回路:作为小信号隔离开关,替代机械继电器以提高寿命与可靠性。
  • 工业控制与通信接口:用于需要防护隔离的接口电路,但不推荐用于高速数据链路。

五、使用建议与注意事项

  • 驱动方式:建议使用受限的 LED 驱动电流,典型工作点低于 20 mA,以减少功耗与延长寿命。
  • 热设计:结合实际导通阻抗与工作电流计算功耗,并通过 PCB 铜箔、电气间距或散热片进行热管理。
  • 安全与隔离:在高压应用中,保证相应的爬电距离与电气间隙,满足系统安全规范。
  • 开关特性:由于开关速度为微秒级,避免在需要毫微秒或更高速响应的场合使用。
  • 测试与验证:在批量应用前进行温升、长时间导通与绝缘耐压测试,验证长期可靠性。

六、选型建议与替代考虑

若系统需要更低导通阻抗或更高连续电流,应考虑导通电阻更低的 PhotoMOS 或机械继电器;若需要更高速切换,则选择高速固态继电器或专用半导体开关。对于对绝缘与寿命有严格要求的医疗类应用,除器件本身参数外,还需关注认证与系统级安全设计。

结论:AQV258HAXC88 以其高耐压与高隔离特性,适合用于小电流、高电压隔离开关的场合。设计时需综合考虑导通阻抗、热耗及开关速度,合理安排驱动电流与散热方案,以确保长期稳定运行。

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