FOD852S

Output Type:	Darlington
Supplier Device Package:	4-SMD
Package / Case:	4-SMD, Gull Wing
Mounting Type:	Surface Mount
Operating Temperature:	-30°C ~ 100°C
Vce Saturation (Max):	1.2V
Current - DC Forward (If) (Max):	50mA
Voltage - Forward (Vf) (Typ):	1.2V
Current - Output / Channel:	150mA
Voltage - Output (Max):	300V
Series:	--
Input Type:	DC
Rise / Fall Time (Typ):	100µs, 20µs
Turn On / Turn Off Time (Typ):	--
Current Transfer Ratio (Max):	15000% @ 1mA
Current Transfer Ratio (Min):	1000% @ 1mA
Voltage - Isolation:	5000Vrms
Number of Channels:	1
Part Status:	Active
Packaging:	Tube

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Optoisolators have been widely used to provide a means of electrically isolating two circuits within a system. The FOD852S is an optoisolator from Fairchild Semiconductor which provides a transistor photovoltaic output to meet a variety of applications. This article will discuss the features and applications of the FOD852S, as well as the technical specifications and working principle of this optoisolator.The FOD852S is a 4-pin surface mount device that provides a direct-driven transistor photovoltaic output. It allows the transfer of electrical signals across an isolation barrier without any direct electrical connection between the input and output circuits. The FOD852S has an optically isolated transistor photovoltaic output which provides stable output current over a wide temperature range. It also has an integrated reverse-bias diode which prevents damage from reverse voltage and provides high input-to-output isolation voltage. The FOD852S offers a variety of benefits and features. It has an input current range of 5mA to 20mA which makes it well suited for logic-level and other low-power applications. It also has an operating temperature range of -40°C to 85°C, which allows it to be used in a variety of environmental conditions. The FOD852S can be used in a variety of applications, such as providing isolation for relays, motor controllers, and other isolated circuits. It can also be used in security systems, switches and sensors, and in industrial and process control circuits. The optoisolator’s small size and surface mount design make it well suited for use in automotive, medical, and consumer electronics applications. The FOD852S is available in a lead-free package, and has a clamping voltage of 5V. Its maximum leakage current is 10µA and its maximum forward voltage is 2.36V. The optoisolator has an isolation voltage of 5000Vrms and its output current is between 20mA and 200mA.The working principle of the FOD852S is based on the photoelectric effect, which states that when light is incident on certain materials, electrons are displaced. When the FOD852S is powered on, light from the onboard LED is incident on an optically isolated circuit, creating an electric signal. This signal is amplified and then transmitted to the output circuit where it is used to drive an external load.In summary, the FOD852S optoisolator provides an effective means of providing electrical isolation between two circuits. It can be used in a variety of applications and its features offer a wide range of benefits. Its working principle is based on the photoelectric effect and it is available in a lead-free package.

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