供应光耦817，直插/贴片，*，非贸易商

公司*，长期现货供应，光耦817.ABCD档，期待您来电

C817光电耦合器广泛用在电脑终端机，可控硅系统设备，测量仪器，影印机，自动售票，家用电器，如风扇，加热器等电路之间的信号传输，使之前端与负载*隔离，目的在于增加*性，减小电路干扰，减化电路设计。

电流传输比(*R: MIN. 50% at IF=5mA ,VCE=5V)高隔离压:5000V*值

Maximum Ratings PC817光耦*对*大额定值

Parameter参数Symbol*号Rating数值Unit单位

Forward current正向电流IF 50 mA

1Peak forward current峰值正向电流IFM 1 A

Reverse voltage反向电压VR 6 V

Power dissipation功耗P 70 mW

Collector-emitter voltage集电*发射*电压V CEO 35 V

Emitter-collector voltage发射*集电*电压V ECO 6 V

Collector current集电*电流IC 50 mA

Collector power dissipation集电*功耗PC 150 mW

Total power dissipation总功耗P tot 200 mW

*2Isolation voltage隔离电压V iso 5 000 Vrms

Operating temperature操作温度T opr -30 to 100℃

Storage temperature存储温度T stg -55 to 125℃

*3Soldering temperature焊接温度T sol 260℃

* 1脉冲宽度<=100ms，占空比:0.001

* 2 40至60％相对湿度，交流1分钟

* 3 10秒

Electro-optical Characteristics光电特性

Parameter参数Symbol*号

Conditions测试条件

输入侧Forward voltage正向电压V F IF = 20mA - 1.2 1.4 V

Peak forward voltage正向峰值电压V FM IFM = 0.5A - - 3.0 V

Reverse current反向电流IR VR =4V - - 10μA

Terminal capacitance终端电容Ct V = 0, f = 1kHz pF

输出侧Collector dark current集电*暗电流ICEO VCE = 20V - - 10-7 A

Transfer charac-teristics传输特点*4Current transfer ratio电流传输比*R IF = 5mA, V CE = 5V 50 - 600 %

Collector-emitter saturation voltage集电*发射*饱和电压V CE(sat) IF = 20mA, I C = 1mA - 0.1 0.2 V

Isolation resistance隔离电阻R ISO DC500V, 40 to 60% RH 5x -Ω

Floating capacitance浮动电容Cf V = 0, f = 1MHz - 0.6 1.0 pF

Cut-off frequency截止频率fc VCE = 5V, I C = 2mA, R L = 100 W, -3dB - 80 - kHz

Response time响应时间Rise time上升时间tr

VCE = 2V, I C = 2mA, R L = 100 W - 4 18μs

Fall time下降时间tf - 3 18μs

Model No.型号Rank mark等级标志

电流传输比*R ( % )

PC817A   80 to 160

PC817B   130 to 260

PC817C   200 to 400

PC817D   300 to 600