H11A4S(TB)-V

Output Type:	Transistor with Base
Supplier Device Package:	6-SMD
Package / Case:	6-SMD, Gull Wing
Mounting Type:	Surface Mount
Operating Temperature:	-55°C ~ 110°C
Vce Saturation (Max):	400mV
Current - DC Forward (If) (Max):	60mA
Voltage - Forward (Vf) (Typ):	1.2V
Current - Output / Channel:	--
Voltage - Output (Max):	80V
Series:	--
Input Type:	DC
Rise / Fall Time (Typ):	--
Turn On / Turn Off Time (Typ):	3µs, 3µs
Current Transfer Ratio (Max):	--
Current Transfer Ratio (Min):	10% @ 10mA
Voltage - Isolation:	5000Vrms
Number of Channels:	1
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Introduction

Optoisolators, also known as optocouplers, are electrical components used in electronic devices to provide electrical isolation between two or more circuits. The function of an optoisolator is to provide electrical isolation between two circuits, while allowing a signal to be passed between them. The H11A4S(TB)-V optoisolator belongs to the optoisolators – Transistor, Photovoltaic Output category and is used to provide electrical isolation and communication between the two circuits, while providing high signal accuracy and stability.

Application Field

The H11A4S(TB)-V optoisolator is primarily used in industrial control systems where signals are sent between circuits with different power sources or grounds. It is commonly used for the transmission of sensor signals, motor control signals, and solenoid signals. The optoisolator protects the circuit from short-circuits, overvoltage, and other spikes. It also prevents noise and interference from affecting the output circuit. This makes the optoisolator perfect for critical applications where accuracy and reliability are important, such as in medical devices or computer systems.

Working Principle

The H11A4S(TB)-V optoisolator consists of an LED, a phototransistor, and a base. The LED is a light source that emits light when powered. The phototransistor is a transistor that changes its electrical resistance when exposed to light. The base is used to control the current flowing through the LED and phototransistor. When a current is applied to the LED, it emits light which is then detected by the phototransistor, causing it to increase its resistance. This resistance change is then used as the output that can be used to control the output circuit.

Advantages

The H11A4S(TB)-V optoisolator offers many advantages over traditional optoisolators. It has a wide operating voltage range, from 4 to 32V, and is capable of handling high operating temperatures, up to 105°C. Additionally, it offers high current capacity with a maximum current up to 100mA. Furthermore, the optoisolator\'s high junction temperature of 150°C ensures the reliability and longevity of the device.

Conclusion

H11A4S(TB)-V optoisolators are an excellent choice for many applications that require electrical isolation between two circuits while also providing accurate signal transmission and reliable operation. Its wide operating voltage range, high temperature capability, and high current capacity make it a highly reliable and durable component.

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