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PC851XNNIP9F
Configuration
1 options
Configuration
Date code within 2 years
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- SHARP PC851XNNIP9F
- Type
- SHARP
- Minimum package
- 2000 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- SHARP
- Electronic Component
- PC851XNNIP9F
- Electronic Component
- 1
- Package
- SOP-4
- Electronic Component
- Transistor Output Optocoupler
- Electronic Component
- 0.414g
- Electronic Component
- 1
- Electronic Component
- 5us
- Electronic Component
- BM0225960296
- Operating Temperature
- 25℃~+100℃
- Load Voltage
- 350V
- 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.
PC851XNNIP9F 产品概述
PC851XNNIP9F 是 SHARP（夏普）推出的一款单通道晶体管输出光电耦合器，采用 SOP-4 封装，适用于需要电气隔离与信号传输的场合。该器件以高隔离电压、较大的输出承载能力和宽温度范围为特点，适合开关电源、工业控制与通信接口等应用。
一、主要特性
- 隔离电压（Vrms）：5 kV，满足高压隔离要求。
- 输入类型：DC，正向压降 Vf ≈ 1.2 V（典型）。
- 最大正向电流 If：50 mA，建议工作电流视应用降额使用。
- 输出类型：光电三极管，最大输出电流可达 50 mA。
- 电流传输比 CTR（最小）：40%，在标称测试条件下保证最低耦合效率。
- 集射极饱和电压 VCE(sat)：约 300 mV（在指定测试电流条件下）。
- 工作温度范围：-25 ℃ ～ +100 ℃。
- 总功耗 Pd：200 mW；负载电压可达 350 V（注意输出端设计约束）。
- 上升/下降时间 tr / tf：4 μs / 5 μs，适合中速开关和数据传输。
二、封装与引脚
- 封装：SOP-4（小外形塑料封装），便于 PCB 布局与自动化装配。
- 通道数：1 通道，适用于单路隔离信号需求。
- 推荐在 PCB 设计时注意引脚间距与爬电距离，以发挥 5 kV 隔离能力并满足安全规范。
三、典型应用场景
- 开关电源（PWM 信号隔离、反馈回路）
- 工业控制（PLC、继电器驱动信号隔离）
- 微控制器与高压侧接口（需要将低压控制信号安全隔离到高压侧）
- 信号隔离与抗干扰场合
四、设计与使用要点
- CTR 会随 If、温度及器件批次变化，设计时应留有裕量；若信号电平要求严格，建议做样测并选择合适的 If。
- 虽然输出端允许较高的负载电压（350 V），但输出功耗（Pd=200 mW）与安全规范限制应谨慎评估；高压侧拉电阻及限流措施必不可少。
- VCE(sat) 在不同集电极电流下会变化，保证驱动电平时需考虑饱和压降造成的电压损失与功耗。
- 关注器件的最大 If（50 mA）与 Pd（200 mW），避免长时间高应力工作导致寿命下降。
- PCB 布局建议：输入侧与输出侧增加接地回路的隔离，保持爬电/气隙距离，必要时加固绝缘材料。
五、可靠性与安装注意
- 推荐参考厂商焊接温度曲线进行回流焊，避免过高温度和长时间加热。
- 贮存与使用应避免潮湿与机械应力，遵循 ESD 防护规范。
- 在高温或高湿环境下工作时，应进行降额设计以延长可靠性。
总结：PC851XNNIP9F 在中等速度、需要高隔离与较大输出承载的场合表现平衡，适用于电源与工业控制等多种应用。实际设计中请结合具体的 If、负载与温度条件进行取样验证与热/电评估。若需原厂数据手册以获取详细电气特性曲线与测试条件，建议向 SHARP 官方或授权经销商索取。
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