WMSIC Electronic Components

RENESAS PS2501-1-A PS2501

ModelPS2501-1-A
Package4-DIP
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 25+

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
RENESAS PS2501-1-A
Type
RENESAS
Minimum package
100 管

Technical parameters

Electronic Component
Electronic Component
Electronic Component
RENESAS
Electronic Component
PS2501-1-A
Electronic Component
1
Package
4-DIP
Electronic Component
Transistor Output Optocoupler
Electronic Component
0.6g
Electronic Component
1
Electronic Component
5us
Electronic Component
BM0263476301
Operating Temperature
55℃~+100℃
Output Current
50mA
Output Channel Count
1
(tr)
3us
(Vf)
1.17V
Electronic Component
Electronic Component

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

PS2501-1-A 晶体管输出光耦产品概述

一、产品定位与核心价值

PS2501-1-A是瑞萨电子(RENESAS)推出的单通道晶体管输出型光耦合器,专为需要高电气隔离、中等速度信号传输的场景设计。作为工业级光耦的典型代表,其核心价值在于通过光信号实现输入输出端的电气隔离,同时提供稳定的驱动能力与宽环境适应性,广泛适配工业控制、医疗设备、通信接口等领域的隔离需求,可有效阻断电气干扰、保障系统安全与可靠性。

二、关键技术参数详解

1. 高隔离性能

产品额定隔离电压达5kVrms(交流有效值),符合IEC 60747-5-2等国际安全标准,可有效阻断输入输出端的电气串扰,防止高压、噪声对敏感电路造成损坏——尤其适合医疗设备(需满足患者电气安全)、工业高压系统(如电机驱动、PLC)等对隔离安全要求严苛的场景。

2. 电气特性参数

  • 正向压降(Vf):1.17V(典型值):输入发光二极管的正向压降稳定,无需复杂限流电路即可可靠驱动,降低前端电路设计复杂度;
  • 输出电流(Io):50mA(最大值):晶体管输出端具备较强驱动能力,可直接驱动继电器线圈、小型LED、逻辑门电路等负载,无需额外放大电路,简化系统设计。

3. 响应时间特性

  • 上升时间(tr):3μs、下降时间(tf):5μs:中等响应速度,可满足大多数数字信号(如TTL/CMOS逻辑电平)的传输需求,适用于开关量信号隔离、低速通信接口(如RS232、简易CAN)等场景。

4. 宽温环境适应性

工作温度范围覆盖**-55℃至+100℃**,符合工业级器件的温度要求,可在极端环境(如户外控制柜、高温车间)下稳定工作,无需额外散热或温度补偿措施。

三、封装与引脚配置

PS2501-1-A采用4引脚DIP封装(双列直插式),体积小巧、引脚布局清晰,便于通孔焊接与电路调试,具体引脚定义如下:

  • 引脚1:输入发光二极管阳极(Anode)
  • 引脚2:输入发光二极管阴极(Cathode)
  • 引脚3:输出晶体管发射极(Emitter)
  • 引脚4:输出晶体管集电极(Collector)

该封装兼容标准DIP插座,适合批量生产与快速更换,无需特殊焊接工艺。

四、典型应用场景

1. 工业自动化控制

  • PLC(可编程逻辑控制器)输入/输出隔离:将现场传感器信号(接近开关、限位开关)与PLC内部电路隔离,防止现场电磁干扰损坏控制器;
  • 电机驱动隔离:隔离电机驱动电路与控制电路,阻断电机启停时的高压脉冲干扰。

2. 医疗电子设备

  • 监护仪、心电图机信号隔离:满足IEC 60601医疗电气安全标准,防止设备漏电对患者造成伤害;
  • 诊断设备高压隔离:隔离高压测试电路与信号采集电路,保障操作人员安全。

3. 通信与电源电路

  • 通信接口隔离:RS485、CAN总线收发器隔离,提升抗干扰能力,保障数据传输稳定性;
  • 开关电源反馈隔离:隔离电源初级与次级电路,实现电压反馈的电气隔离,提升电源效率与安全性。

五、可靠性与认证支持

PS2501-1-A经过严格可靠性测试(温度循环、湿度老化、机械振动等),符合瑞萨工业级器件标准;同时通过UL 1577、VDE 0884等国际安全认证,可直接用于对合规性要求较高的场景,减少系统认证成本。

六、选型与设计注意事项

  • 选型适配:若需多通道隔离,可选择同系列PS2501-4(四通道);若需更高响应速度,可考虑高速光耦(如PS9001);
  • 设计要点:输入端需串联限流电阻(公式:(R=(V_{cc}-V_f)/I_{o_max})),确保发光二极管工作在安全电流范围;输出端驱动感性负载(如继电器)时,需并联续流二极管,防止反向电压损坏器件。

PS2501-1-A凭借高隔离、强驱动、宽温适配等优势,成为工业与医疗领域隔离设计的经典选择,可有效提升系统抗干扰能力与安全可靠性。

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