產品描述
Description
The PC817 contains a light emitting diode optically coupled to a phototransistor. It is packaged in a 4-pin DIP package. Input-output isolation voltage is 5000Vrms. Response time, tr, is typically 4μs and minimum CTR is 50% at input current of 5mA.
Features
• Current transfer ratio (CTR:MIN.50% at IF =5mA ,VCE =5V)
• High isolation voltage between input and output (Viso=5000 V rms )
• Minimum BVCEO of 70V guaranteed
• Compact dual-in-line package
Applications
2 4 3
• Feedback circuit in power supply
• System appliances, measuring instruments
• Registers, copiers, automatic vending machines
• Electric home appliances, such as fan heaters, etc.
產品圖片
圖 1
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