TCET1114

Output Type:	Transistor
Supplier Device Package:	4-DIP
Package / Case:	4-DIP (0.300", 7.62mm)
Mounting Type:	Through Hole
Operating Temperature:	-40°C ~ 110°C
Vce Saturation (Max):	300mV
Current - DC Forward (If) (Max):	60mA
Voltage - Forward (Vf) (Typ):	1.25V
Current - Output / Channel:	50mA
Voltage - Output (Max):	70V
Series:	--
Input Type:	DC
Rise / Fall Time (Typ):	3µs, 4.7µs
Turn On / Turn Off Time (Typ):	6µs, 5µs
Current Transfer Ratio (Max):	320% @ 10mA
Current Transfer Ratio (Min):	160% @ 10mA
Voltage - Isolation:	5000Vrms
Number of Channels:	1
Part Status:	Active
Packaging:	Tube

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Optoisolators - Transistor, Photovoltaic Output

Optoisolators, also known by their alternate names of optocouplers, photocouplers, or opto-isolators, are devices that join two electrical circuits together via light. This creates an opto-isolation barrier between the two circuits. The most commonly used form of optoisolator is a Transistor, Photovoltaic Output (TCET1114). Its application field and working principle will be discussed in the following sections.

Application Field of TCET1114

TCET1114 optoisolators can be used to transfer signals from one circuit to another, to reduce the risk of short-circuits, and to reduce the amount of power-supply noise. These devices are most often used in applications involving computer peripherals, including digital-input control, switching, and logic. They are also often used in motor controllers, analog-input signal conditioning, and other miscellaneous applications.

Working Principle of TCET1114

The TCET1114 optoisolator works by having a light-emitting diode (LED) on one side, and a photo-transistor on the other side. The LED emits light when a current is passed through it, and this light is detected by the photo-transistor, which then conducts an electrical current. This electrical current is then used to power the other side of the circuit.

The TCET1114 optoisolator is designed to reduce the amount of power-supply noise from one circuit to another. This is done by eliminating any direct electrical connection between the two circuits, and instead using a light signal to bridge the gap. By doing this, any electrical noise in one circuit will not be transferred to the other, thereby increasing signal reliability.

Due to their ability to isolate electrical circuits, TCET1114 optoisolators are an essential component in a wide variety of electronic devices. They are most commonly used in computer peripherals, motor controllers, analog-input signal conditioning, and other miscellaneous applications.

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