Allicdata Part #: | VOL628A-2T-ND |
Manufacturer Part#: |
VOL628A-2T |
Price: | $ 0.23 |
Product Category: | Isolators |
Manufacturer: | Vishay Semiconductor Opto Division |
Short Description: | OPTOISOLATOR 5KV TRANS LSOP-4 |
More Detail: | Optoisolator Transistor Output 5000Vrms 1 Channel ... |
DataSheet: | VOL628A-2T Datasheet/PDF |
Quantity: | 1000 |
3000 +: | $ 0.21168 |
Series: | -- |
Packaging: | Tape & Reel (TR) |
Part Status: | Active |
Number of Channels: | 1 |
Voltage - Isolation: | 5000Vrms |
Current Transfer Ratio (Min): | 63% @ 1mA |
Current Transfer Ratio (Max): | 125% @ 1mA |
Turn On / Turn Off Time (Typ): | 6µs, 5.5µs |
Rise / Fall Time (Typ): | 3.5µs, 5µs |
Input Type: | AC, DC |
Output Type: | Transistor |
Voltage - Output (Max): | 80V |
Current - Output / Channel: | 50mA |
Voltage - Forward (Vf) (Typ): | 1.16V |
Current - DC Forward (If) (Max): | 60mA |
Vce Saturation (Max): | 400mV |
Operating Temperature: | -55°C ~ 110°C |
Mounting Type: | Surface Mount |
Package / Case: | 4-SMD, Gull Wing |
Supplier Device Package: | 4-LSOP (2.54mm) |
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Optoisolators are electrical devices that isolate a transmitter from a recipient, creating a barrier between them. This barrier prevents noise and electric transients from interfering with the signal. The VOL628A-2T optoisolator belongs to the family of optoisolators based on a transistor, photovoltaic output.
The VOL628A-2T consists of an infrared emitter optically coupled with a solid-state integrated circuit (IC) that has a built-in photouv-detector, signal-processing circuitry, and an output driver. The main components of the optoisolator are an infrared LED and an NPN transistor output in a non-hermetically sealed 4-pin dual-in-line package.
The VOL628A-2T optoisolator works by having the emitter light turn on the photodiode, which in turn creates a voltage potential across it. When the photovoltage exceeds the transistor\'s base threshold, it will turn on the output transistor. The output transistor absorbs the voltage excess in order to stabilize the output current. This isolates the controlling input signal from the controlling output circuitry.
The VOL628A-2T optoisolator has a number of applications, but is most commonly used in digital and microprocessor systems which require electrical isolation between the two components. In a computer system, it is used to provide an electrical link between a logic circuit and a low-voltage circuit while providing protection from electrical noise spikes and ground loops. Since the optoisolator\'s output is an open collector, it can be used to drive a relay coil, actuate a switch, or control a stepper motor. In addition, the optoisolator can be used to isolate telecommunications signals and protect against electrical surges.
The VOL628A-2T optoisolator offers a number of advantages over other isolation techniques. Due to its small form factor, it can be used in a wide variety of applications. Additionally, since it is optically isolated, it eliminates the need for a common power supply for both the controlling circuit and the controlled circuit. As such, it reduces power costs and improves system efficiency. The optoisolator also offers over-voltage protection and is immune to most electrical noise.
The VOL628A-2T optoisolator is a reliable and efficient component for electrical isolation. It provides a valuable link between the two components while ensuring isolation from dangerous electrical transients and noise sources. As such, it is an invaluable component for digital and microprocessor systems which require electrical isolation.
The specific data is subject to PDF, and the above content is for reference
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