PS2913-1-F3-A

Output Type:	Transistor
Supplier Device Package:	4-Mini-Flat
Package / Case:	4-SMD, Flat Leads
Mounting Type:	Surface Mount
Operating Temperature:	-55°C ~ 100°C
Vce Saturation (Max):	300mV
Current - DC Forward (If) (Max):	50mA
Voltage - Forward (Vf) (Typ):	1.1V
Current - Output / Channel:	30mA
Voltage - Output (Max):	120V
Series:	--
Input Type:	DC
Rise / Fall Time (Typ):	10µs, 10µs
Turn On / Turn Off Time (Typ):	80µs, 50µs
Current Transfer Ratio (Max):	200% @ 1mA
Current Transfer Ratio (Min):	50% @ 1mA
Voltage - Isolation:	2500Vrms
Number of Channels:	1
Part Status:	Obsolete
Packaging:	Tape & Reel (TR)

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The PS2913-1-F3-A is a bipolar transistor optoisolator, designed for wide-voltage applications in systems where large currents must be controlled. It features a high-speed transistor output, a photovoltaic-type photocoupler for isolation between input and output circuits, and a wide-range AC or DC input voltage. This article provides an overview of the application field and working principle of the PS2913-1-F3-A optoisolator.

Optoisolators are electronic devices that use light to transfer electrical signals between two separate circuits, isolating them from each other. This type of isolation is critical in applications where noise immunity and safety are important considerations. The PS2913-1-F3-A optoisolator utilizes a high-speed transistor output to control large currents, and its wide-range AC or DC input voltages provide reliable operation across many industrial and consumer applications.

In a schematic representation, the PS2913-1-F3-A optoisolator consists of three parts: an input circuit, a phototransistor output circuit, and an isolation barrier. The input circuit consists of a light-emitting diode (LED) that is illuminated when driven by an electrical signal. The LED’s light is then converted into an electrical signal by a phototransistor. This electrical signal is then passed through an isolation barrier, preventing any electrical connection between the input and output circuits.

The optoisolator is used in systems where the input and output circuits must be isolated from each other. Examples include communication systems, control circuits, and automotive systems. In these applications, the PS2913-1-F3-A optoisolator enables high-speed switching while providing a high level of electrical noise immunity. Additionally, it can be used for direct current measurements in analog systems.

The wide AC or DC operating voltages of the optoisolator are achieved through the use of two internal transistors in the output circuit. The first transistor acts as a flyback switch to limit the voltage output when the LED is turned off. The second transistor is used as a current switch and works in conjunction with the first to provide a low-voltage output. This combination of transistors allows the optoisolator to handle wide AC or DC operating voltages of up to 30V, making it ideal for a variety of applications.

In addition to its wide-range operating voltages, the PS2913-1-F3-A optoisolator also features a fast response time. With a turn-on time of less than 4 μs and a turn-off time of less than 5 μs, the optoisolator can be used in applications that require quick response times. Additionally, the optoisolator features a low power consumption of only 11mA, making it an ideal choice for a variety of battery-powered applications.

Overall, the PS2913-1-F3-A optoisolator is a versatile and reliable solution for applications requiring high-speed switching and electrical noise immunity. Its wide-range AC or DC operating voltages, fast response times, and low power consumption make it an ideal choice for a variety of industrial and consumer applications.

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