WMSIC Electronic Components

HXY MOSFET PC357C

ModelPC357C
PackageSOP-4
BrandHXY MOSFET
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
HXY MOSFET PC357C
Type
HXY MOSFET
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
HXY MOSFET
Electronic Component
PC357C
Electronic Component
1
Package
SOP-4
Electronic Component
Transistor Output Optocoupler
Electronic Component
0.264g
Electronic Component
1
Electronic Component
3us
Electronic Component
BM0258662021
Operating Temperature
55℃~+110℃
Load Voltage
80V
Type
DC
Output Current
50mA
Output Type
Photoelectric Transistor
(Pd)
200mW

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

PC357C晶体管输出光耦产品概述

一、产品定位与核心价值

PC357C是一款晶体管输出型光耦合器,核心功能是实现不同电气回路间的电隔离信号传输,同时具备信号放大与电平转换能力。该器件针对工业级应用场景优化,以「高隔离耐压、宽温度适应、低饱和压降」为核心优势,可有效解决高低压电路间的电磁干扰、漏电风险问题,适配PLC、电机控制、通信设备等多种场景。

二、关键技术参数详解

PC357C的参数覆盖电隔离、光-电转换、动态响应等核心维度,关键指标如下:

(1)电隔离安全性能

  • 隔离电压(Vrms):3.75kV(符合工业安全标准),阻断高低压电路电气连接,避免击穿/漏电;
  • 直流反向耐压(Vr):6V,防止反向电压损坏内部结构;
  • 输出负载电压:80V,适配中等电压等级负载。

(2)光-电转换特性

  • 正向压降(Vf):典型值1.2V,输入端(发光二极管)功耗低;
  • 正向电流(If):最大50mA,需串联限流电阻控制(避免过流);
  • 电流传输比(CTR):最小值50%、最大值400%,保证输入电流范围内输出信号稳定;
  • 集射极饱和电压(VCE(sat)):20mA负载下仅100mV,1mA负载下1mV(测试条件),输出功耗极低。

(3)动态响应与功率

  • 上升时间(tr):4μs,下降时间:3μs,满足中等速率信号传输(数字/低速模拟信号);
  • 总功耗(Pd):200mW,热积累少,长期可靠性高;
  • 工作温度范围:-55℃~+110℃,覆盖工业极端温度(户外/高温车间)。

(4)输出特性

  • 输出类型:光电三极管,具备信号放大能力;
  • 最大输出电流:50mA,可驱动小型负载或后续电路。

三、封装与可靠性设计

PC357C采用SOP-4贴片封装,体积紧凑(适合高密度PCB布局),支持自动化生产,降低装配成本。其可靠性设计针对工业场景优化:

  1. 宽温适配:-55℃~+110℃,无需额外散热即可稳定工作;
  2. 高隔离认证:3.75kVrms隔离电压通过安全认证,防止串扰;
  3. 低功耗:200mW总功耗,减少发热,延长寿命;
  4. 抗干扰:光电隔离天然屏蔽电磁干扰,提升信号精度。

四、典型应用场景

PC357C参数适配性强,广泛应用于:

  1. 工业控制:PLC输入/输出模块、电机驱动隔离、传感器信号隔离(温度/压力);
  2. 通信设备:RS485/CAN总线隔离、电源模块隔离,提升通信稳定性;
  3. 消费电子:家电控制(空调/洗衣机继电器驱动)、电源适配器隔离,保护用户安全;
  4. 汽车电子:车载低功耗控制(车门/仪表盘信号隔离),适配车载温度变化。

五、选型与使用注意事项

为确保稳定工作,需注意:

  1. 输入限流:If最大50mA,串联限流电阻(公式:R=(Vcc-Vf)/If,建议If≤20mA);
  2. 输出限制:负载电压≤80V,输出电流≤50mA,避免过压过流;
  3. 温度补偿:极端温度下CTR略有变化,高精度场景需做补偿;
  4. 布局要求:避免靠近高压元件(电容/变压器),防止电场干扰;
  5. 散热控制:高负载下需确保PCB散热良好,避免过热。

六、品牌与认证

PC357C由华轩阳电子(HXY MOSFET)生产,符合RoHS环保标准,部分批次通过UL、VDE认证,满足不同地区市场准入要求。

该器件以高性价比、宽温可靠的特点,成为工业控制与通信领域的常用隔离解决方案。

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