FOD250LT

Output Type:	Transistor with Base
Supplier Device Package:	8-DIP
Package / Case:	8-DIP (0.400", 10.16mm)
Mounting Type:	Through Hole
Operating Temperature:	-40°C ~ 85°C
Vce Saturation (Max):	--
Current - DC Forward (If) (Max):	25mA
Voltage - Forward (Vf) (Typ):	1.45V
Current - Output / Channel:	8mA
Voltage - Output (Max):	7V
Series:	--
Input Type:	DC
Rise / Fall Time (Typ):	--
Turn On / Turn Off Time (Typ):	1µs, 1µs (Max)
Current Transfer Ratio (Max):	50% @ 16mA
Current Transfer Ratio (Min):	15% @ 16mA
Voltage - Isolation:	5000Vrms
Number of Channels:	1
Part Status:	Obsolete
Packaging:	Tube

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Introduction

The FOD250LT is a type of optoisolator, specifically known as a “transistor, photovoltaic output” optoisolator. Optoisolators, also known as optocouplers, are electrical components that use a light-emitting diode to isolate electrical signals from one circuit to another. The purpose of an optoisolator is to ensure that one device is not affected by the output of another device. In other words, it prevents electrical surges in one circuit from affecting the other.

Application Field of FOD250LT

The FOD250LT is commonly used in telecommunications, automotive and industrial electronics. It can also be used in computers, modems, printers, power supplies and a variety of other electronic devices.In telecommunications, the FOD250LT is used to provide optical isolation between different signals. This helps to ensure that any surges or drops in current on one line do not affect the other.In automotive and industrial electronics, the FOD250LT helps to protect sensitive circuits from voltage and current spikes of varying levels. For example, a motor or capacitive load may produce a surge that could damage the circuitry if not protected by an optoisolator.The FOD250LT is also used in computers, modems, printers and power supplies. It helps ensure that any fluctuations in voltage or current in one circuit do not disrupt or damage another circuit.

Working Principle of FOD250LT

The FOD250LT works by using the light-emitting diode to isolate the two circuits from each other. The LED emits light when a voltage is applied across it. The light strikes a photosensitive device, usually either a transistor or a photo resistor. The photo resistor will convert the light into a voltage or a current, while the transistor will switch on or off in response to the light.The FOD250LT is a type of transistor output optoisolator. The LED is connected to the input, while the transistor is connected to the output. When the LED is turned on, the current passes through the transistor, allowing the output voltage to change.

Conclusion

The FOD250LT is a type of optoisolator, known as a “transistor, photovoltaic output” optoisolator. It is commonly used in telecommunications, automotive and industrial electronics, computers, modems, printers and power supplies. It works by using the light-emitting diode to isolate the two circuits from each other. The LED is connected to the input, while the transistor is connected to the output. When the LED is turned on, the current passes through the transistor, allowing the output voltage to change.

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