WMSIC Electronic Components

RENESAS PS2702-1-F3-A PS2702

ModelPS2702-1-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 25+

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
RENESAS PS2702-1-F3-A
Type
RENESAS
Minimum package
3500 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
RENESAS
Electronic Component
PS2702-1-F3-A
Electronic Component
1
Package
4-SOP
Electronic Component
Transistor Output Optocoupler
Electronic Component
0.104g
Electronic Component
1
Electronic Component
60us
Features
Output
Electronic Component
BM0263542513
Operating Temperature
55℃~+100℃
Load Voltage
40V
Type
DC
Output Current
200mA
Output Type
Transistor

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

PS2702-1-F3-A 产品概述

一、产品简介

PS2702-1-F3-A 是瑞萨(RENESAS)推出的一款单通道晶体管输出光耦合器,输入为直流 LED,输出采用达林顿晶体管结构,适合在需要高电流开关能力与高隔离电压的场合实现信号传输与电气隔离。器件采用 4-SOP 封装,体积小,便于 PCB 布局与自动化贴装。

二、主要技术参数

  • 输入类型:DC(LED)
  • 正向压降(Vf):约 1.1 V(典型)
  • 正向电流(If,最大):50 mA
  • 输出类型:达林顿晶体管
  • 输出允许电流:200 mA(最大)
  • 负载电压(Vce max):40 V
  • 集射极饱和电压 VCE(sat):约 1 V(在输出电流 1 mA–2 mA 条件下)
  • 直流反向耐压(Vr,LED):6 V
  • 隔离电压(可耐受):3.75 kVrms
  • 上升时间 tr:约 70 μs;下降时间 tf:约 60 μs
  • 工作温度范围:-55 ℃ 至 +100 ℃
  • 电流传输比(CTR):最小 200%,最大 2000%(在特定测试条件下)

三、主要特性与优势

  • 达林顿输出结构带来高电流放大倍数,使得在较小 LED 驱动电流下就能推动较大负载电流,适合驱动继电器线圈、小功率电磁阀或作为驱动级。
  • 高隔离电压(3.75 kVrms)保证输入与输出之间良好的电气隔离,适用于需要耐压和安全隔离的系统。
  • SOP-4 小尺寸封装,便于密集 PCB 布局与批量生产。
  • 宽工作温度范围,适合工业级环境。

四、典型应用场景

  • 数字逻辑与高压电源间的信号隔离(MCU 驱动电源开关)
  • 低功率继电器或固态开关驱动
  • 电源管理与保护电路中的隔离控制通道
  • 工业自动化、楼宇控制以及需要隔离的测控设备

五、典型电路与使用要点

  • LED 驱动:根据输入电压及 Vf(≈1.1 V),串联限流电阻以控制 If,不应长期超过规格最大 If(50 mA)。
  • 输出侧:达林顿结构一般为开集电极形式,负载常接在 VCC(≤40 V)与集电极之间,发射极接地。根据负载电流选择合适的散热与限流措施。
  • CTR 变化范围较大(200%–2000%),在精确传输比要求的场合应留有裕量或用反馈校正;若需稳定开关阈值,可在输出端加上基准电阻或后级驱动器。
  • 注意 LED 反向耐压仅 6 V,避免反向电压冲击;必要时并联反向保护二极管。

六、封装与可靠性

  • 封装:4-SOP,四引脚布局(两脚为 LED,二脚为晶体管输出),方便高速贴片与自动测试。
  • 可靠性:适合工业温区,建议按照厂商应用手册进行焊接温度控制与清洗工艺,以保证长期稳定性与隔离性能。

七、选型建议与注意事项

  • 若应用要求高输出电流爆发能力或低 VCE(sat) 在高电流下,请核对器件在该条件下的 VCE(sat) 与功耗限制,必要时选用外部功率器件配合。
  • 对于对响应速度要求较高的场合(开关频率较高),达林顿结构的上升/下降时间(70 μs/60 μs)需评估是否满足性能需求。
  • 设计中应考虑 CTR 的最小值以保证在最不利条件下输出仍能驱动负载;若驱动边界值较敏感,建议做实际样品测试。

总体而言,PS2702-1-F3-A 在需要高隔离电压、较大输出驱动能力且对尺寸有要求的工业与消费类电路中是一款实用的光耦选择。

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