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LITEON LTV-8141S-TA1
Configuration
1 options
Configuration
25+
Available for RFQ
Technical data
Product details
20
specifications
Core information
- Product name
- LITEON LTV-8141S-TA1
- Type
- LITEON
- Unit
- Electronic Component
- Minimum package
- 1000 卷
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- Electronic Component
- Electronic Component
- LITEON
- Electronic Component
- LTV-8141S-TA1
- Electronic Component
- 1
- Package
- SMD-4P
- Electronic Component
- Transistor Output Optocoupler
- Electronic Component
- 0.532g
- Electronic Component
- 1
- Electronic Component
- 53us
- Electronic Component
- BM0227695582
- Operating Temperature
- 30℃~+100℃
- Load Voltage
- 35V
- Type
- AC,DC
- Output Current
- 80mA
- 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.
LTV-8141S-TA1 产品概述
一、产品简介
LTV-8141S-TA1 为 LITEON（台湾光宝）出品的单通道达林顿晶体管输出光耦合器，采用 SMD-4P 封装，适用于需要高隔离、较大输出电流增益的信号隔离场合。器件可接受 AC 与 DC 驱动，输入端为发光二极管，输出端为达林顿光电晶体管对，提供高电流传输比以实现小输入电流下的大输出驱动能力。器件额定工作温度范围为 -30℃ 至 +100℃，隔离耐压为 5 kVrms（典型值）。
二、主要参数
- 隔离电压（Vrms）：5 kV
- 输入类型：AC、DC
- 输出类型：光电三极管（达林顿结构）
- 输出通道数：1
- 电流传输比（CTR）：最小 600%；上限/饱和值可达 7500%（典型范围受测试条件影响）
- 正向压降（Vf）：约 1.2 V（在标称 If 条件下）
- 正向电流（If）最大值：50 mA
- 最大输出电流：80 mA
- 集射极饱和电压 VCE(sat)：约 800 mV（条件：Ic=20 mA，If=20 mA）
- 上升时间 tr：60 µs（测量条件：If=10 mA，负载 100 Ω）
- 下降时间 tf：53 µs
- 负载电压（最大）：35 V
- 总功耗 Pd：200 mW
- 工作温度：-30℃ ~ +100℃
三、性能特性与使用要点
- 高增益：达林顿结构赋予器件极高的电流放大能力（CTR 极高），适合用较小的 LED 驱动电流去驱动较大的负载电流。
- 速度限制：达林顿输出使开关速度相对较慢（上升/下降时间几十微秒），不适合高频或精密模拟信号传输，适用于低速数字隔离与开关控制。
- 驱动与保护：尽管 If 可达 50 mA，建议按数据手册的推荐值和占空比使用，并通过限流电阻或驱动电路控制瞬态脉冲以防 LED 损坏。对于 AC 驱动，应关注正反向电流与平均 If，可采用整流或适当驱动方案确保安全工作。
- 热与功耗管理：总功耗 Pd 为 200 mW，输出端也应注意 VCE(sat) 与 Ic 带来的功耗，必要时在 PCB 布局上留出散热空间并进行功耗限流。
- 安全隔离与 PCB 布局：器件 5 kVrms 隔离能力适合一般隔离需求，但在实际设计中仍需遵循爬电距离与工频冲击规范，确保满足目标系统的安全认证要求。
四、典型应用场景
- 数字信号隔离：微控制器与高压或噪声侧之间的逻辑隔离。
- 继电器/固态开关驱动前端：以较小 LED 驱动电流控制较大负载电流。
- 工业控制与 PLC 输入/输出隔离：适用于低速开关、状态检测与指示信号传输。
- 家电与电源监测信号隔离：对交流零火线状态检测等场合有良好适配性。
如需完整引脚定义、封装尺寸、典型电路图或详细的环境/可靠性测试数据，请参考 LITEON 原厂数据手册以获得精确的测量条件与推荐使用规范。
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