IL212AT

Output Type:	Transistor with Base
Supplier Device Package:	8-SOIC
Package / Case:	8-SOIC (0.154", 3.90mm Width)
Mounting Type:	Surface Mount
Operating Temperature:	-55°C ~ 100°C
Vce Saturation (Max):	400mV
Current - DC Forward (If) (Max):	60mA
Voltage - Forward (Vf) (Typ):	1.3V
Current - Output / Channel:	--
Voltage - Output (Max):	30V
Series:	--
Input Type:	DC
Rise / Fall Time (Typ):	--
Turn On / Turn Off Time (Typ):	3µs, 3µs
Current Transfer Ratio (Max):	--
Current Transfer Ratio (Min):	50% @ 10mA
Voltage - Isolation:	4000Vrms
Number of Channels:	1
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Optoisolators - Transistor, Photovoltaic Output

Optoisolators, also referred to as optical isolators or optical couplers, are a type of electronic device used to electrically isolate two circuits by means of using optical technologies. When a signal is passed from one circuit to the other, the two circuits are completely isolated from each other. This is different from methods like using resistors or capacitors to reduce or block the electrical signal, in which the two circuits may still be weakly coupled to each other. Optoisolators also offer higher noise immunity and higher speed of transmission than other isolation methods. One popular type of optoisolator is the IL212AT, which is a photovoltaic output optoisolator with a transistor output. The IL212AT consists of an infrared LED, a photosensitive semiconductor component, and a transistor. The LED emits infrared (IR) light which is then picked up by the photosensitive components, which acts as a photodetector. The photodetector in turn produces an electrical current, which is then used to operate the transistor. The transistor then carries out the electrical isolation between the two circuits. The primary application of the IL212AT is in industrial control systems where high levels of electrical isolation are needed. This optoisolator can be used in applications such as motor control, load cell control, temperature control, and medical equipment control. The working principle of the IL212AT is quite simple. An LED emits IR light, which is picked up by a photodetector. The photodetector then produces a current which is used to operate the transistor, which in turn carries out the isolation between the two circuits. The photodetector is also able to detect any changes in light levels, which is used as a feedback mechanism that enables the current to be adjusted accordingly.In addition, the IL212AT offers several features that make it suitable for a range of applications. For example, it has a high common mode rejection ratio which offers improved noise immunity. It also has a fast response time, meaning it is able to detect changes in current levels quickly. Additionally, the optoisolator is RoHS compliant, so it does not contain hazardous materials, and is also UL listed, meaning it has passed safety tests and is approved for use in applications that are subject to US legislation.Overall, the IL212AT optoisolator is a highly reliable and efficient device that is used in a range of industrial control systems. It offers improved noise immunity and a fast response time, while also being RoHS and UL compliant. With its range of features, the IL212AT provides superior performance compared to other types of optoisolators and is the perfect choice for applications where electrical isolation is essential.

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