WMSIC Electronic Components

PC817X3NIPWC

ModelPC817X3NIPWC
PackageSMD-4P
BrandSHARP
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 26+

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
SHARP PC817X3NIPWC
Type
SHARP
Minimum package
2000 未知

Technical parameters

Electronic Component
Electronic Component
Electronic Component
SHARP
Electronic Component
PC817X3NIPWC
Electronic Component
1
Package
SMD-4P
Electronic Component
Transistor Output Optocoupler
Electronic Component
0.389g
Electronic Component
1
Electronic Component
3us
Electronic Component
BM0264599058
Operating Temperature
40℃~+100℃
Load Voltage
80V
Type
DC
Output Current
50mA
Output Type
Photoelectric Transistor
(Pd)
200mW

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

PC817X3NIPWC 光隔离器产品概述

一、产品定位与核心特性

PC817X3NIPWC是夏普(SHARP)推出的1通道晶体管输出型光隔离器,专为需要电气隔离、抗干扰及高压绝缘的场景设计。其核心特性突出:

  • 高隔离电压:5000Vrms(AC有效值),满足严苛安规要求;
  • 宽温适应性:-40℃~+100℃,适配工业级 harsh环境;
  • 快速响应:上升时间4μs、下降时间3μs,支持高速信号传输;
  • 低损耗输出:集射极饱和压降(VCE(sat))低至100mV(20mA负载下),减少后端电路发热。

二、关键参数详解

2.1 输入侧核心参数

  • 输入类型:直流(DC)驱动,兼容常规MCU或逻辑电路输出;
  • 正向压降(Vf):典型值1.2V,处于LED正向压降常规范围,无需额外高压驱动;
  • 正向电流(If):最大50mA,推荐工作电流5~20mA(避免长期过流损坏LED);
  • 正向功耗:1.2V×50mA=60mW,远低于总功耗限制,输入驱动成本低。

2.2 输出侧核心参数

  • 输出类型:光电三极管,具备电流放大能力(集电极电流Ic远大于基极电流);
  • 最大输出电流(Ic):50mA,满足多数负载驱动(如继电器线圈、小功率MOS管);
  • 集射极饱和压降(VCE(sat)):20mA负载下100mV,1mA负载下1mV,低损耗设计降低发热;
  • 最大负载电压:80V,支持中低压输出场景(如PLC输入模块、电源反馈回路)。

2.3 隔离与可靠性参数

  • 隔离电压(Vrms):5000Vrms(AC 50/60Hz,1分钟测试),有效阻断高压电路与低压控制电路;
  • 直流反向耐压(Vr):6V,避免输出侧反向电压损坏光电三极管;
  • 总功耗(Pd):200mW,涵盖输入输出总功率,设计需预留散热裕量;
  • 工作温度范围:-40℃~+100℃,符合工业级温度标准,适配户外或高温设备。

2.4 动态特性

  • 上升时间(tr):4μs(输出电流从10%→90%);
  • 下降时间(tf):3μs(输出电流从90%→10%);
    快速响应支持10kHz以下脉冲信号隔离,满足多数工业控制需求。

三、封装与安规认证

PC817X3NIPWC采用SMD-4P(表面贴装4引脚)封装,引脚布局与常规4-DIP兼容,便于自动化贴装生产,节省PCB空间。
其5000Vrms隔离电压符合UL、VDE等主流安规认证要求(需结合具体批次确认),可直接用于医疗设备、工业控制等需安规认证的场景。

四、典型应用场景

  1. 工业控制:PLC输入/输出模块,隔离现场传感器(高压/干扰环境)与MCU;
  2. 电源电路:开关电源反馈回路(隔离高压输出与低压控制),或AC/DC适配器输出隔离;
  3. 通信设备:RS485/CAN总线信号隔离,抑制共模干扰;
  4. 家电控制:洗衣机、空调等设备的高压电机驱动与低压控制电路隔离;
  5. 医疗设备:监护仪、输液泵等需高绝缘的场合,防止漏电伤害人体。

五、工作原理与使用注意事项

5.1 工作原理

通过电-光-电转换实现隔离:

  • 输入侧:直流电流流经内部LED,LED发射红外光;
  • 输出侧:光电三极管接收红外光,内部载流子激发,集射极导通(输出电流);
  • 电气隔离:输入输出无直接电路连接,仅通过光信号传递,阻断高压与干扰。

5.2 使用注意事项

  • 正向电流限制:实际If≤50mA,推荐10~20mA(避免LED老化);
  • 负载电压限制:输出侧负载电压≤80V,防止光电三极管击穿;
  • 温度控制:工作温度≤+100℃,高温环境需增加散热;
  • 焊接要求:SMD封装遵循回流焊曲线(峰值≤260℃,时间≤10秒),避免热损坏;
  • 存储条件:未使用时存储在-55℃~+125℃、湿度≤85%环境,防止引脚氧化。

六、品牌与可靠性优势

作为夏普旗下产品,PC817X3NIPWC具备:

  • 成熟LED与光电三极管工艺,一致性好;
  • 严苛可靠性测试(温度循环、湿度老化),故障率低;
  • 全球工业与消费电子领域广泛应用,市场验证充分。

该产品平衡了性能、可靠性与成本,是中低压隔离场景的高性价比选择。

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