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EVERLIGHT 6N139
Configuration
1 options
Configuration
25+
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- EVERLIGHT 6N139
- Type
- EVERLIGHT
- Minimum package
- 1125 管
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- EVERLIGHT
- Electronic Component
- 6N139
- Electronic Component
- 1
- Package
- DIP8
- Electronic Component
- Transistor Output Optocoupler
- Electronic Component
- 0g
- Electronic Component
- 1
- Channel Count
- 1
- Electronic Component
- BM0228737416
- Type
- Electronic Component
- Operating Temperature
- 40°C ~ 85°C
- Type
- DC
- Output Type
- Transistor
- Voltage
- 5000Vrms
- 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.
6N139 产品概述
一、产品简介
6N139 是一款高速光隔离器，采用发光二极管（LED）与带基极的达林顿光敏晶体管组合，提供高电压隔离与电平转换功能。此型号常见封装为 8 引脚 DIP（通孔），如 EVERLIGHT（台湾亿光）出品的版本，适合需要可靠隔离与较快响应的数字信号接口场合。
二、主要特性
- 光电隔离耐压：5000 Vrms（典型值），适合高隔离要求的系统。
- 输入：DC LED 驱动，最大连续正向电流 If = 20 mA；典型正向电压 Vf ≈ 1.3 V。
- 输出：有基极的达林顿晶体管，最大输出电压 18 V，单通道输出电流最高可达 60 mA。
- 电流传输比（CTR）：最小 500%（在 If = 1.6 mA 时），即较小输入可产生较大输出。
- 开关速度：典型开通时间 200 ns，关断时间 1.7 μs，适用于中高速数字隔离。
- 工作温度范围：-40 °C ~ +85 °C；安装类型：通孔（DIP8）。
三、典型电气参数
- If（最大）：20 mA；Vf（典型）：1.3 V。
- 输出电流（最大/通道）：60 mA；输出电压耐受：最大 18 V。
- 隔离电压：5000 Vrms（耐压安全界限需参照最终应用设计）。
- 开/关时间（典型）：ton ≈ 200 ns，toff ≈ 1.7 μs。
建议在实际电路中参考原厂完整数据手册以获得温度、时序与老化等更详尽参数。
四、应用场景
- 微控制器与高压/噪声电路之间的数字信号隔离（例如电源逆变器、工业控制）。
- 串行通信接口、电平转换与脉冲信号隔离。
- 保护敏感逻辑免受高压瞬变干扰或接地回路影响的系统。
- 需要通孔封装以便手工焊接或现有老化板替换的设计。
五、封装与引脚说明
常见为 8 引脚 DIP（通孔），便于传统电路板安装与原型开发。具体引脚功能（LED 阶与输出达林顿的引脚分配、基极引出等）请参见厂商封装图与引脚说明，以避免接反或误接。
六、使用建议与注意事项
- 驱动 LED 时应加限流电阻，避免超过 If 最大值（20 mA）；为延长寿命建议常用在额定以下工作点。
- 输出侧一般需外接上拉电阻，且应保证不超过输出最大电压与电流限制。
- 基极引脚可用于加速开关或测试，但使用前务必参考数据手册的隔离与偏置建议。
- 布局设计注意保持足够的爬电距离与气隙，并做好电源去耦与接地分离以确保隔离效果与抗干扰能力。
- 在高共模瞬变或工业环境中，应评估 CTI、EMC 与长期漂移，必要时进行系统级隔离与滤波设计。
总体而言，6N139（DIP8、5000Vrms 隔离、达林顿输出）在需要高隔离电压与中等开关速度的数字隔离场合具有良好性价比，适合工业控制、通信接口和电源管理等应用。若需精确时序、温漂或寿命评估，请参考厂商完整数据手册与可靠性报告。
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