FOD817CW

Series:	--
Packaging:	Tube
Part Status:	Obsolete
Number of Channels:	1
Voltage - Isolation:	5000Vrms
Current Transfer Ratio (Min):	200% @ 5mA
Current Transfer Ratio (Max):	400% @ 5mA
Turn On / Turn Off Time (Typ):	--
Rise / Fall Time (Typ):	4µs, 3µs
Input Type:	DC
Output Type:	Transistor
Voltage - Output (Max):	70V
Current - Output / Channel:	50mA
Voltage - Forward (Vf) (Typ):	1.2V
Current - DC Forward (If) (Max):	50mA
Vce Saturation (Max):	200mV
Operating Temperature:	-55°C ~ 110°C
Mounting Type:	Through Hole
Package / Case:	4-DIP (0.400", 10.16mm)
Supplier Device Package:	4-DIP

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Introduction

The FOD817CW is an opto-isolator that provides a reliable way to transfer signals from one circuit to another while preventing voltage from being sent across a divide. It is a light-activated transistor device that features a photovoltaic output with a LED emitter to create an electrical isolation between the input and output. The FOD817CW is often used in microprocessor and PLC-related applications where two circuits must remain electrically isolated, especially when AC or hazardous voltages are involved.

Features & Benefits

The FOD817CW comes with a few special features. It has a high isolation resistance of up to 10kV/μs and a low quiescent current of 1mA. It also contains an LED indicator allowing the user to clearly identify when the device is activated. The FOD817CW has a low power consumption of up to 40mW. Additionally, this device operates in both AC and DC circuits, making it a practical solution for many applications.In addition, the FOD817CW opto-isolator has proven itself to be reliable, even under extreme operating conditions. Its operating temperature ranges from -55℃ to +110℃, making it suitable for many commercial and industrial applications.

Application Field

The FOD817CW opto-isolator is used in various applications including motor control systems, computers, microcontrollers, intelligent instrumentation, PLCs, and more. Specifically, it is used to provide electrical isolation between motors and control circuits, switch signals between digital and AC/DC circuits, transfer analog signals and digital signals, and breaking ground loops.In many applications, opto-isolators are needed to protect sensitive circuits (such as microprocessors and PLCs) from interference, surges, and other detrimental factors. This is particularly important in hazardous or extreme environments. For these applications, the FOD817CW is an ideal solution.

Working Principle

The FOD817CW is a two-terminal opto-isolator device with two circuits. The input circuit contains a light emitting diode (LED) connected to the input. When an electrical signal is applied to the input, it will cause the LED to emit light. This light is then detected by the output circuit, which is typically a phototransistor.The phototransistor then creates a current flow, allowing the input and output circuits to be isolated. This isolation prevents hazardous voltages from crossing the device and also prevents interference from affecting the output signal. Additionally, the device\'s LED indicator illuminates when a signal is present on the input, allowing the user to easily identify when the device is activated.

Conclusion

The FOD817CW opto-isolator is a reliable, high-performance device suitable for a variety of applications. It provides electrical isolation between two circuits and utilizes a photovoltaic output with a LED emitter for superior performance. It has a low power consumption and is able to handle extreme operating conditions. Additionally, it has a LED indicator making it easy to identify when the device is activated. For these reasons, the FOD817CW is a great solution for applications where electrical isolation is necessary.

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