WMSIC Electronic Components

TLP265J(TPL,E(T TLP265J

ModelTLP265J(TPL,E(T
PackageSOP-4-2.54mm
BrandTOSHIBA
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

19 specifications

Core information

Product name
TOSHIBA TLP265J(TPL, E(T
Type
TOSHIBA
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
TOSHIBA
Electronic Component
TLP265J(TPL,E(T
Electronic Component
1
Package
SOP-4-2.54mm
Electronic Component
Thyristor Output Optocoupler
Electronic Component
0g
Electronic Component
1
Staticdv / dt
0.2V/us
Electronic Component
Thyristor Output Optocoupler
Electronic Component
BM0258506570
Operating Temperature
40℃~+100℃
Voltage
1.27V
Current
10mA
Load Voltage
600V
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.

TLP265J(TPL,E(T产品概述

一、产品简介

TLP265J 为东芝(TOSHIBA)系列的可控硅输出光耦(双向可控硅/双向晶闸管输出)。该器件将输入侧的低压LED与输出侧的双向可控硅(类似小功率双向晶闸管)光电隔离,适合隔离控制低压逻辑电路与高压交流负载。基于提供的参数,器件属于单通道(1ch)SOP-4(2.54 mm)封装,工作温度范围为 -40℃ 至 +100℃,对需要高压隔离与交流开关控制的场合非常适用。

二、主要特点

  • 双向可控硅输出,适用于交流(AC)负载的通断控制;无零交叉电路设计,可用于相位控制。
  • 隔离电压(rms)高达 3.75 kV,提供可靠的输入-输出隔离,满足安全绝缘要求。
  • 负载端耐压可达 600 V,输出有效RMS电流(It(rms))70 mA,适合小到中等功率交流负载。
  • 输入LED正向电压典型值 1.27 V,常用工作电流 10 mA(作为驱动参考)。
  • 静态 dv/dt 为 0.2 V/μs,对快速上升电压较敏感(容易由高 dv/dt 发生误触发),需在系统设计中予以防护。
  • 封装为 SOP-4、引脚间距 2.54 mm,便于常规通孔或贴片式PCB布局和自动化装配。

三、电气参数解读(基于所给参数)

  • 输入端:LED Vf 约 1.27 V,典型驱动电流 10 mA。设计驱动电阻应根据逻辑电平计算,保证稳定触发同时兼顾LED寿命。
  • 输出端:最大可承受 600 V 的峰值或反向电压,连续有效输出电流(It(rms))70 mA。适合驱动小功率灯、加热丝、继电器线圈(交流)等。
  • 隔离:3.75 kV rms 的输入—输出绝缘能力,适用于大多数工业与家电控制隔离要求。
  • dv/dt 敏感:静态 dv/dt 仅 0.2 V/μs,意味着在存在高频干扰或大电容负载时,输出端可能产生误导通,需配合 RC 抑制网或缓冲措施。

四、典型应用场景

  • 家电与工业交流开关:电灯调光、风扇速度控制、电热元件开关等相位或开/关控制。
  • 信号隔离:微处理器、PLC 与高压交流回路之间的电气隔离。
  • 小功率交流负载的无触点开关(固态开关)。
  • 测试与测量设备中的隔离切换电路。

五、使用与设计建议

  • 驱动侧:建议以 10 mA 左右作为典型驱动电流参考,并在驱动电阻计算中加入裕量以应对温漂和器件差异。
  • 抑制高 dv/dt 误触发:由于静态 dv/dt 仅 0.2 V/μs,应在输出端并联 RC 抑制网络(snubber,典型为几十到几百欧与几百到几千皮法的组合)或在负载侧并联小功率电容与阻尼电阻,降低电压上升速率并抑制干扰。
  • 电磁兼容(EMC):在有感性负载时,建议并联RC或RC+TVS/MOV对浪涌和瞬态进行抑制,避免对器件或系统造成损害。
  • 热管理与散热:尽量避免长期在最大额定载流附近运行,若需要接近额定值请做降额设计并保持良好散热(合理布局高压走线、加大铜面积)。
  • 安全设计:遵守电气隔离和爬电距离规范,输入与输出侧应保持适当间距并考虑外壳绝缘或加涂覆层。

六、封装与安装要点

  • SOP-4(2.54 mm)封装便于直插或表贴,但在承受高压时应保证PCB上的爬电距离与串错距离满足隔离要求。
  • 布局建议:输入侧与输出侧走线分开,避免高压回路靠近低压逻辑回路,输出高压轨迹应短且远离敏感元件。
  • 焊接与温度:遵循东芝推荐的回流/波峰焊工艺温度曲线,避免超过器件允许的最大温度。

七、可靠性与防护建议

  • 为提高系统可靠性,输出侧建议配合熔断器、MOV 或浪涌限制器来防止短路或瞬态过压。
  • 在强干扰环境中,考虑在输入端增加抗干扰滤波或缓冲电路,防止误触发或器件损坏。
  • 生产测试中建议做绝缘耐压测试与功能测试,确认隔离与触发性能稳定。

总结:TLP265J 为一款适合隔离控制小功率交流负载的双向可控硅输出光耦,特点是高隔离电压、600 V 负载耐压与 70 mA 输出能力,但对 dv/dt 敏感。合理采用抑制网络、良好布局和降额设计,可在家电、工业控制与通信设备中实现稳定可靠的隔离开关功能。

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