PS2503L-1-E3-L-A

Output Type:	Transistor
Supplier Device Package:	4-SMD
Package / Case:	4-SMD, Gull Wing
Mounting Type:	Surface Mount
Operating Temperature:	-55°C ~ 100°C
Vce Saturation (Max):	250mV
Current - DC Forward (If) (Max):	80mA
Voltage - Forward (Vf) (Typ):	1.1V
Current - Output / Channel:	30mA
Voltage - Output (Max):	40V
Series:	NEPOC
Input Type:	DC
Rise / Fall Time (Typ):	20µs, 30µs
Turn On / Turn Off Time (Typ):	--
Current Transfer Ratio (Max):	300% @ 1mA
Current Transfer Ratio (Min):	150% @ 1mA
Voltage - Isolation:	5000Vrms
Number of Channels:	1
Part Status:	Obsolete
Packaging:	Tape & Reel (TR)

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Optoisolators - Transistor, Photovoltaic Output

Optoisolators are an important technology in electrical engineering. They are used to transfer electrical signals over an isolation boundary for enhanced safety. In this article, we discuss the application field and working principle of a photovoltaic output transistor optoisolator, the PS2503L-1-E3-L-A.

Application Field

The PS2503L-1-E3-L-A is a type of transistor optoisolator. It is specifically used for transferring low-level analog and digital electrical signals without making any physical connection to the circuit. It is typically used in industrial equipment and tools that require the transfer of electrical signals between different isolated sections of the circuit. Examples include machinery and equipment, including robots, medical devices, process control, automotive electronics, and various military applications.

Working Principle

The PS2503L-1-E3-L-A is a two-section isolator with a photovoltaic output transistor. The internal structure of the optoisolator consists of an infrared LED and a phototransistor with a built-in collector resistor for DC current protection. The LED is connected to a low-power input control circuit, such as a switch or transistor. The incoming electrical signal is converted into a proportional optical signal, which is fed to the phototransistor, whose collector-emitter current is then outputed, switching the output device transistor.The optoisolator\'s output consists of two sections: a collector output, which is a single-ended voltage, and an emitter output, which is a single-ended current. The PS2503L-1-E3-L-A offers a variety of isolation methods, such as capacitive and insulated metal shields for devices. It also features several output options, including LED color matching, diode voltage protection, power-on protection, and viscoelasticity protection.

Conclusion

The PS2503L-1-E3-L-A photovoltaic output transistor optoisolator has many applications, such as in industrial equipment, medical devices, process control, and various military applications. This optoisolator features a two-section isolator with a photovoltaic output transistor, enabling it to transfer low-level analog and digital electrical signals without making any physical connection to the circuit. It also provides various isolation methods and output options, such as LED color matching, diode voltage protection, power-on protection, and viscoelasticity protection.

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