4N25A(SHORT,F)

Series:	--
Packaging:	Tube
Part Status:	Active
Number of Channels:	1
Voltage - Isolation:	2500Vrms
Current Transfer Ratio (Min):	20% @ 10mA
Current Transfer Ratio (Max):	--
Turn On / Turn Off Time (Typ):	--
Rise / Fall Time (Typ):	2µs, 200µs
Input Type:	DC
Output Type:	Transistor with Base
Voltage - Output (Max):	30V
Current - Output / Channel:	100mA
Voltage - Forward (Vf) (Typ):	1.15V
Current - DC Forward (If) (Max):	80mA
Vce Saturation (Max):	500mV
Operating Temperature:	-55°C ~ 100°C
Mounting Type:	Through Hole
Package / Case:	6-DIP (0.300", 7.62mm)
Supplier Device Package:	6-DIP
Base Part Number:	4N25

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Optoisolators - Transistor, Photovoltaic OutputOptoisolators, also referred to as optocouplers and photocouplers, are essential components found in circuits with high affinity to electric shocks.The technology used was developed by Joseph Sleper in 1962 when he was working for RCA where they had designed Solid State Gating device, a technology that enabled the use of semiconductor materials, usually silicon, to create isolation for input and output drive circuits. They are used to increase the electrical isolation in circuits, while also providing some other useful performance characteristics. One of the most common optoisolators is the 4N25A(SHORT,F), a transistor photovoltaic output optoisolator. This optoisolator features a very low cost yet very effective packaging design that takes up less space on a board. It is used mainly for digital logic and other circuits requiring precise strong output signals.The 4N25A(SHORT,F) is made up of two main components: an LED and a phototransistor. The LED emits light when stimulated by an incoming voltage or a current that causes a flow of electrons through the LED. The photo transistor absorbs the light and converts it into electric signals. When voltage or current is applied to the LED, the photo transistor is activated and transfers a current signal from the LED side to the transistor side. The transistor outputs the signal allowing the circuit to be isolated from electrical shocks.The 4N25A(SHORT,F) has several applications, including industrial automation, communication systems, automotive industry, energy management systems, instrumentation, data acquisition, robotics, military, and aerospace. In industrial automation, the optoisolators can be used for sensing, controlling, and measuring various processes such as temperature, pressure, liquid level, etc. In communication systems, the optoisolator can be used as an interface between digital systems. They are also used in automotive industry for controlling various systems such as airbags, power windows, lighting, and climate control. Optoisolators are also used in energy management systems for controlling the current or voltage at various points.The 4N25A(SHORT,F) optoisolator features an operating temperature range of -40°C to +85°C, with an isolation voltage of 500Vrms, as well as a low operating capacitance. The electrical isolation assures protection from electrical shocks and noise, and can also be used to prevent crosstalk. Furthermore, the optoisolator has an excellent light-on delay of less than 5 milliseconds.The key advantage of the 4N25A optoisolator is its ability to withstand high-voltage energy levels, while the isolated input and output signals are able to keep noise and interference at bay. Its built-in insulation also makes it suitable for safety-critical systems such as those used in auto industry. On the other hand, its small size means it requires careful handling to avoid damage.In conclusion, the 4N25A(SHORT,F) optoisolator is an excellent solution for providing electrical isolation and signal transmission within a circuit. Its low cost, small size, and simple mechanism make it an ideal choice for various applications in automated industries, communication systems, and automotive applications. Its excellent insulation prevents electric shocks, noise, and crosstalk, and provides superior performance characteristics.

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