ACFL-5211T-500E

Series:	Automotive, AEC-Q100, R²Coupler™
Packaging:	Tape & Reel (TR)
Part Status:	Active
Number of Channels:	2
Voltage - Isolation:	5000Vrms
Current Transfer Ratio (Min):	32% @ 10mA
Current Transfer Ratio (Max):	100% @ 10mA
Turn On / Turn Off Time (Typ):	150ns, 500ns
Rise / Fall Time (Typ):	--
Input Type:	DC
Output Type:	Transistor
Voltage - Output (Max):	20V
Current - Output / Channel:	8mA
Voltage - Forward (Vf) (Typ):	1.55V
Current - DC Forward (If) (Max):	20mA
Vce Saturation (Max):	--
Operating Temperature:	-40°C ~ 125°C
Mounting Type:	Surface Mount
Package / Case:	12-BSOP (0.295", 7.50mm Width)
Supplier Device Package:	12-SO

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ACFL-5211T-500E - Optoisolators - Transistor, Photovoltaic Output Application and Working Principles

The ACFL-5211T-500E optoisolator is a transistor outputs with photovoltaic output device used in a variety of electronics applications. It provides high speed and efficient performance through its isolation capabilities for communication and other applications.Optoisolators are used to provide galvanic isolation for electrical circuits, preventing current from flowing between two circuits. They also protect against voltage surges, EMI noise, static charges, and signal errors. The ACFL-5211T-500E acts as a switch, allowing signals to pass while isolating the electrical circuits that contain them.The ACFL-5211T-500E optoisolator is a transistor output with photovoltaic output device that uses optical signals instead of electrical to isolate two circuits. It has two terminals; the anode and the cathode. When light falls on the photodiode, an electrical signal is generated. The signal is then amplified and passed to the output port.Unlike other optical isolators, the ACFL-5211T-500E requires no battery power and can provide a wider output voltage range. It can also be used with a wide variety of integrated circuits which makes it suitable for a variety of applications. This device is also incredibly fast and reliable and is used in applications that need reliable, high-speed, and low power consumption.The ACFL-5211T-500E optoisolator can be used in a variety of applications, including the following:• Computerized data circulation• Signal isolation• Communications (such as fiber-optic systems)• Monitoring and protection of computer memory• Motor control• Switching and controlling temperature, humidity, and other variables• Bank switching and memory segmentation• Industrial automation• Building automation• Home automation• Noise suppression• Lighting control• Sensor management• Security systems• RoboticsThe ACFL-5211T-500E is capable of providing up to 500 volts of isolation, making it a versatile and reliable optoisolator. In addition, it is a fast-switching device, with a response time of 15 ns and can tolerate operation temperatures between -55°C to +125°C. It has a low power consumption of less than 100 mA and a low drive power requirement of 12 mA.The main working principle of the ACFL-5211T-500E optoisolator is based on the photoelectric effect. A light-emitting diode (LED) is used to emit light, which is then converted into electrical currents when it comes in contact with a photosensitive surface. In the case of the ACFL-5211T-500E optoisolator, the photosensitive surface is the photodiode. When light falls on the photodiode, an electric field is created across the junction of the photodiode and the NPN transistors. The electric field is responsible for the current flow through the base-emitter junction of the NPN transistor. According to the electric field, the current and the voltage of the transistor are regulated which in turn is responsible for the control of the output voltage. The ACFL-5211T-500E optoisolator is also designed to include an internal amplifier. This amplifier amplifies the weak input signal from the LED and the current from the photodiode. Additionally, the internal amplifier helps increase the speed and accuracy of the optoisolator, making it more reliable for applications requiring high-speed switching.The ACFL-5211T-500E optoisolator is a reliable and versatile component used in a variety of applications. Its wide temperature range and low power consumption makes it suitable for controlling temperature and humidity or switching signals in communication systems. Its high response time and internal amplifier make it a great choice for applications that require fast and accurate data transmission. With its high voltage range, it is also suitable for controlling motors or building safety systems. This optoisolator is a reliable component that provides effective galvanic isolation for any application requiring a dependable and reliable component.

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