WMSIC Electronic Components

AOTE PC817CS

AOTE PC817CS
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Product image

ModelPC817CS
PackageSOP-4
BrandAOTE
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+

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Technical data

Product details

19 specifications

Core information

Product name
AOTE PC817CS
Type
AOTE
Minimum package
2000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
AOTE
Electronic Component
PC817CS
Electronic Component
1
Package
SOP-4
Electronic Component
Transistor Output Optocoupler
Electronic Component
0.429g
Electronic Component
1
Electronic Component
3us
Electronic Component
BM0221161389
Operating Temperature
55℃~+110℃
Load Voltage
80V
Type
DC
Output Current
50mA
Output Type
Photoelectric Transistor
Output Channel Count
1

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

PC817CS 产品概述

概述

PC817CS 是一款广泛使用的光耦合器（又称光隔离器），来自知名品牌 AOTE（奥特）。该产品采用 SOP-4 封装形式，具有小巧的体积和优良的电气性能，适用于各种电子和电气应用场合，尤其是在需要信号隔离和保护的，因此在现代电子设计中尤为重要。

结构与工作原理

PC817CS 的结构包括一个发光二极管（LED）和一个光敏晶体管，两者通过透明的绝缘材料封装在一起。工作原理是：当输入端的 LED 被驱动时，它会发出光信号；这个光信号被光敏晶体管所接收，从而实现电信号的传输。由于两者之间采用光隔离的方式，能够有效防止高电压对低电压电路造成的干扰。

规格参数

  • 封装形式：SOP-4
  • 输入电流（If）：通常在 10 mA 左右，以确保光敏转导的最大化。
  • 输出电压（Vce）：最大值一般为 80V，适用于多种高压应用。
  • 转导率（CTR）：通常在 100% 至 600% 之间，具体取决于工作条件，包括输入电流和温度等。
  • 工作温度范围：-40°C 到 +105°C，能在多种恶劣环境下稳定工作。

应用场景

PC817CS 的广泛应用在许多电子设计领域中，包括但不限于：

  1. 电源适配器：在开关电源中进行高频信号隔离，保护控制电路及降低干扰。
  2. 数据通讯：在串行和并行接口中实现信号的隔离，防止由于接地差异引起的逻辑电平失真或信号干扰。
  3. 自动化设备：在工业控制系统中，将高压电路与微处理器控制电路安全隔离，保护敏感元件。
  4. 音频设备：在音频信号的传输中，减少地回路产生的噪声，保证高保真的音频输出。
  5. 家电电子控制：用于家电电路中实现信号的电气隔离，保护用户安全以及提高设备的可靠性。

选型建议

在选型 PC817CS 时，应根据具体应用的需要对以下几个方面进行考虑：

  • 输入电流：确认 LED 的驱动条件，以确保获得所需的输出性能。
  • 环境条件：了解工作环境的温度和湿度，以确保选择的光耦适用于该条件。
  • 频率响应：如果应用需要高速信号处理，应关注光耦的转速和带宽。

结论

PC817CS 作为一款高性能的光耦合器，以其优良的电气特性和广泛的适用性，成为许多电子产品中不可或缺的重要元器件。其 S0P-4 封装提供了更小的占板面积和更高的设计灵活性，为现代电子设计提供了高效而可靠的解决方案。在设计和选择光耦合器时，PC817CS 无疑是众多工程师的首选之一。

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