VOL617A-1T Isolators

Output Type:	Transistor
Supplier Device Package:	4-LSOP (2.54mm)
Package / Case:	4-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):	1.16V
Current - Output / Channel:	50mA
Voltage - Output (Max):	80V
Series:	--
Input Type:	DC
Rise / Fall Time (Typ):	3.5µs, 5µs
Turn On / Turn Off Time (Typ):	6µs, 5.5µs
Current Transfer Ratio (Max):	80% @ 5mA
Current Transfer Ratio (Min):	40% @ 5mA
Voltage - Isolation:	5000Vrms
Number of Channels:	1
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Optoisolators - Transistor, Photovoltaic OutputOptoisolators are used in many industrial, commercial, and consumer products that are designed to provide information or control an electrical device using a photoelectric device such as an LED or photodiode. An optoisolator or isolator is a type of electrical coupling device that provides electrical isolation between two parts of an electrical system in order to reduce interference, eliminate noise, and protect sensitive components.Many optoisolators provide electrical isolation of up to 10,000 volts and are used for applications where high isolation is required, such as in power supplies, motor drives, audio systems, and medical devices. One of the most popular types of optoisolators is the VOL617A-1T, which is used in a variety of applications including automotive, lighting, HVAC, security, and building automation systems. This optoisolator has photovoltaic output and is designed for applications where the floating control circuit requires connections that are electrically isolated from the low voltage control circuit.The VOL617A-1T optoisolator consists of a photodiode optocoupler and an output transistor. The optocoupler has a lead-frame package that houses a light-emitting diode (LED) and a phototransistor. The LED is driven by an input voltage that is connected to one of the optocoupler’s leads and the output is taken from the collector terminal of the phototransistor. The device’s phototransistor is designed to provide high-efficiency switching with an output voltage that can exceed the supply voltage.The working principle of the VOL617A-1T optoisolator is based on the photoconductive property of a photodiode. When an input voltage is applied, the LED in the optocoupler emits a light, and a photocurrent flows through the photodiode which is connected to the output terminal of the optocoupler. This photocurrent is then amplified by the phototransistor, resulting in an output current from the collector terminal that is proportional to the input voltage.The VOL617A-1T optoisolator is suitable for various control applications in the automotive, lighting, HVAC, and building automation industries. It can be used to switch relays, control motors, convert analog signals into digital formats, and control LED lights. This optoisolator also provides isolation up to 10,000 volts and can be used in systems involving multiple voltages to ensure the safety of the system and its components. The VOL617A-1T optoisolator provides a wide range of electrical isolation and is easy to use. It is designed with wide operating temperature ranges and has a small footprint, making it suitable for various applications in industrial and automotive control. The optoisolator’s low cost, high efficiency, and long-term reliability make it an ideal choice for many types of control applications.

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