PS2505-4

Output Type:	Transistor
Supplier Device Package:	16-DIP
Package / Case:	16-DIP (0.300", 7.62mm)
Mounting Type:	Through Hole
Operating Temperature:	-55°C ~ 100°C
Vce Saturation (Max):	300mV
Current - DC Forward (If) (Max):	80mA
Voltage - Forward (Vf) (Typ):	1.17V
Current - Output / Channel:	50mA
Voltage - Output (Max):	80V
Series:	NEPOC
Input Type:	AC, DC
Rise / Fall Time (Typ):	3µs, 5µs
Turn On / Turn Off Time (Typ):	--
Current Transfer Ratio (Max):	600% @ 5mA
Current Transfer Ratio (Min):	80% @ 5mA
Voltage - Isolation:	5000Vrms
Number of Channels:	4
Part Status:	Obsolete
Packaging:	Tube

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PS2505-4 Application Field and Working PrincipleOptoisolators are electronic components that use optical signals to help two circuits work safely and independently from one another. One circuit is electrically isolated from the other, hence the name, optoisolator. They are often used in applications where the level of isolation is critical, such as in medical devices, motor control circuits, and power supplies.The PS2505-4 optoisolator is an optically coupled solid state device with a transistor output. It has a photovoltaic (PV) output, which is generated by a light-emitting diode (LED) and photovoltaic cell combination. The isolated input and output sides of the optoisolator are electrically separated from each other.The PS2505-4 is designed for use in applications that require a high degree of isolation and maximum power dissipation. The optoisolator has a maximum peak output current of 50mA and a maximum collector-emitter voltage of 600V. The PS2505-4 has a wide operating temperature range of -55°C to +100°C and a response time of half an inch to two thirds of an inch. This is useful in applications where fast response time is required, such as high frequency digital logic circuits and motor control circuits.When an input voltage is applied to the LED of the PS2505-4 optoisolator, a proportional current is generated. The LED emits light, which is then directed towards the photovoltaic cell. The photovoltaic cell will then convert the light into an electrical current, which is applied to the output transistor. On the output side, the transistor will then produce a voltage that is proportional to the input current.The optoisolator can be used for applications such as DC-to-DC converters, motor control circuits, and signal isolation in audio applications. It has a number of advantages over using transformers and relays, as it requires no external power supply, less PCB space, and reduces system noise. It also has the ability to transfer multiple signals simultaneously.Overall, the PS2505-4 optoisolator is a compact and reliable device that can be used for a wide range of applications that require signal and power isolation. The optoisolator is easy to install, as only a few connection points are required on the PCB, and it does not require any additional hardware such as transformers or relays. The wide temperature range and fast response time make the PS2505-4 an excellent choice for applications where isolation and power dissipation are required and high-speed response is desired.

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