ILQ615-4X009

Output Type:	Transistor
Supplier Device Package:	16-SMD
Package / Case:	16-SMD, Gull Wing
Mounting Type:	Surface Mount
Operating Temperature:	-55°C ~ 100°C
Vce Saturation (Max):	--
Current - DC Forward (If) (Max):	60mA
Voltage - Forward (Vf) (Typ):	1.15V
Current - Output / Channel:	50mA
Voltage - Output (Max):	70V
Series:	--
Input Type:	DC
Rise / Fall Time (Typ):	2µs, 2µs
Turn On / Turn Off Time (Typ):	3µs, 2.3µs
Current Transfer Ratio (Max):	320% @ 10mA
Current Transfer Ratio (Min):	160% @ 320mA
Voltage - Isolation:	5300Vrms
Number of Channels:	4
Part Status:	Active
Packaging:	Tube

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Optoisolators - Transistor, Photovoltaic Output

The ILQ615-4X009 photovoltaic isolated transistor output is an opto-isolator component used to protect circuits from high voltage spikes, work in extreme humidity conditions, and prevent bare wire contact with high voltage circuits. It is primarily a circuit protection device, but it also has a number of features that can be beneficial in other applications.

Description

The ILQ615-4X009 is a standard opto-isolator package with a photocoupler inside it. It is composed of an infrared LED emitter and a phototransistor receiver. The emitter is a solid-state element that emits an infrared light beam when a voltage, usually in the range of 2 to 10V, is applied to it. The light beam is then received by the phototransistor, which consists of a collector (C), an emitter (E), and a base (B). The output transistor is used for a variety of high voltage switching applications as it is rated to withstand up to 300 Volts. The ILQ615-4X009 also features a three-terminal input and a three-terminal output. This allows for the design of circuits in which the output can be controlled by an external voltage.

Application

The primary application for the ILQ615-4X009 is circuit protection. It is commonly used as an isolation element to protect sensitive microcontroller circuits from high voltage external sources. For example, if a voltage spike of over 300 Volts is detected in a circuit, the opto-isolator can be used to prevent the high voltage from damaging the microcontroller. The opto-isolator can also be used in applications requiring high voltage switching, such as in motor control and lighting control systems. The ILQ615-4X009 is also used in applications requiring high humidity resistance. The sealed housing protects the photocoupler elements from dust and moisture. This makes it ideal for use in environments where humidity levels may change drastically, such as in greenhouses and outdoor environments.

Working Principle

The ILQ615-4X009 opto-isolator operates using a photocoupler mechanism. When a voltage is applied to the LED inside the isolator, it emits an infrared light beam which is detected by the phototransistor. The phototransistor then triggers a circuit inside the opto-isolator which switches the transistor output on or off, depending on the voltage applied to the LED. The ILQ615-4X009 also features a three-terminal input and output. This allows for the design of circuits in which the output can be controlled by an external voltage. For example, if the LED is connected to a 5V power supply, and the phototransistor is connected to a 10V power supply, the phototransistor will only switch on when the voltage across the LED reaches a certain point. This means that the circuit designer can control the output of the opto-isolator by varying the voltage supplied to the LED.

Conclusion

The ILQ615-4X009 opto-isolator is an ideal component for a variety of applications. Its circuit protection features make it ideal for use with sensitive electronic devices, and its three-terminal input and output allow for the design of circuits utilizing external voltages. Its robust construction and high humidity resistance make it suitable for use in difficult environments. In summary, the ILQ615-4X009 opto-isolator is a versatile and reliable component that can be used for a wide range of applications. Its primary application is circuit protection, but it can also be used for switching applications and in high humidity environments. Its three-terminal input and output feature make it an attractive choice for circuits requiring external voltage control.

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