WMSIC Electronic Components

RENESAS PS2703-1-F3-A PS2703

ModelPS2703-1-F3-A
Package4-SOP
BrandRENESAS
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 23+

Available for RFQ

Technical data

Product details

20 specifications

Core information

Product name
RENESAS PS2703-1-F3-A
Type
RENESAS
Unit
Electronic Component
Minimum package
3500 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
Electronic Component
Electronic Component
RENESAS
Electronic Component
PS2703-1-F3-A
Electronic Component
1
Package
4-SOP
Electronic Component
Transistor Output Optocoupler
Electronic Component
0.38g
Electronic Component
1
Electronic Component
10us
Electronic Component
BM0264368593
Operating Temperature
55℃~+100℃
Load Voltage
120V
Type
DC
Output Current
30mA
Output Type
Photoelectric Transistor

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

PS2703-1-F3-A 晶体管输出光耦产品概述

PS2703-1-F3-A是瑞萨电子(RENESAS)推出的一款晶体管输出型光电耦合器,核心功能是通过电-光-电转换实现电气回路隔离,同时稳定传递控制/反馈信号。该器件兼顾高隔离性能、宽工作范围与小体积封装,适用于工业控制、电源系统、家电等对隔离可靠性要求较高的场景。

一、产品核心定位与应用方向

作为光电隔离器件,PS2703-1-F3-A的核心价值在于**“隔离干扰+信号传递”双重作用**:既阻断不同回路的电气导通(避免高压串扰、接地环路干扰),又能精准传递控制信号。典型应用覆盖三大领域:

  1. 开关电源反馈回路:如AC-DC电源的电压/电流反馈隔离,实现高低压回路隔离;
  2. 工业控制信号隔离:PLC输入输出、电机驱动的信号隔离,提升系统抗干扰能力;
  3. 家电与消费电子:空调、洗衣机等设备的电源隔离,符合安全标准要求。

二、关键性能参数深度解析

该器件参数围绕“隔离可靠性、信号传输效率、环境适应性”三大维度设计,核心参数如下:

1. 输入侧:低功耗易驱动

  • 正向压降(Vf)=1.1V:属于常规光电二极管范围,5V系统可直接通过限流电阻驱动,无需额外升压;
  • 正向电流(If)额定50mA,最大功耗(Pd)150mW:实际使用建议If控制在10~30mA,既保证信号强度,又避免过热;
  • 功耗限制清晰:Pd=150mW(Ta=25℃),高温环境需降额(100℃时约为额定值70%)。

2. 输出侧:高传输效率低失真

  • 电流传输比(CTR)=50%~400%:CTR是输出电流(Ic)与输入电流(If)的比值,宽范围适配不同负载——若需输出10mA电流,最小If仅需20mA(CTR50%),最大可支持If=2.5mA(CTR400%),降低驱动端功耗;
  • 输出电流额定30mA:可直接驱动小功率负载(继电器线圈、三极管基极),无需额外放大电路;
  • 集射极饱和电压(VCE(sat))=300mV@10mA:饱和压降低,输出端功耗小,信号失真度低,适合线性/开关应用。

3. 隔离与耐压:满足高安全需求

  • 隔离电压(Vrms)=3.75kV:rms值对应峰值约5.3kV,符合工业级“基本绝缘”要求,可有效隔离AC220V与DC5V等高低压回路;
  • 直流反向耐压(Vr)=6V:输出侧光电三极管反向耐压,使用时需避免集电极电压超6V(可串联电阻限制);
  • 负载电压=120V:适配家电、小型工业设备的电压等级。

4. 动态与环境适应性

  • 上升/下降时间=10us:中速光耦,适合10kHz以下信号传输(电源反馈、低速控制信号);
  • 工作温度=-55℃~+100℃:覆盖工业级全温区,可在户外、高温车间稳定工作。

三、封装与可靠性设计

PS2703-1-F3-A采用4-SOP小外形封装,尺寸紧凑(3.9mm×2.5mm),适配高密度PCB布局;瑞萨在内部结构上做了可靠性优化:

  • 隔离层采用高绝缘材料,保证3.75kV隔离电压的长期稳定性;
  • 芯片与引脚焊接工艺经过老化测试,可承受机械应力与温度循环;
  • 符合RoHS标准,无铅环保,适配现代电子设备的环保要求。

四、选型与使用注意事项

为保证器件稳定工作,需注意以下要点:

  1. 驱动电流匹配:根据CTR计算If,若需输出Ic,建议If≥Ic/4(考虑最小CTR50%的2倍余量);
  2. 隔离电压降额:长期工作电压需≤3kVrms(额定值80%),延长使用寿命;
  3. 散热设计:连续高温工作时,PCB需增加散热铜箔,避免芯片过热;
  4. 输出侧保护:集电极电压控制在6V以下,串联1kΩ电阻限制反向电流。

五、总结

PS2703-1-F3-A作为瑞萨经典晶体管光耦,以高隔离(3.75kV)、宽CTR(50%~400%)、工业级温区为核心优势,同时兼顾小体积与低功耗,是开关电源反馈、工业控制信号隔离等场景的高性价比选择。其参数匹配性强,驱动电路简单,可有效提升系统抗干扰能力与安全可靠性。

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