LX803MEAP

Series:	--
Packaging:	Tape & Box (TB)
Part Status:	Active
Triac Type:	Logic - Sensitive Gate
Voltage - Off State:	600V
Current - On State (It (RMS)) (Max):	800mA
Voltage - Gate Trigger (Vgt) (Max):	1.3V
Current - Non Rep. Surge 50, 60Hz (Itsm):	8A, 9.5A
Current - Gate Trigger (Igt) (Max):	3mA
Current - Hold (Ih) (Max):	5mA
Configuration:	Single
Operating Temperature:	-40°C ~ 110°C (TJ)
Mounting Type:	Through Hole
Package / Case:	TO-226-3, TO-92-3 (TO-226AA) (Formed Leads)
Supplier Device Package:	TO-92

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Thyristors, or silicon-controlled rectifiers (SCRs), are signal-controlled switches that can be used to control AC power. When an SCR is activated, it will switch on and remain on until the anode voltage reaches a certain level, deactivating the SCR. TRIACs, or bidirectional triode thyristors, are similar to SCRs but they use two SCR devices connected in opposite directions so that they can pass current flow in both directions. The TRIACs is used when the power needs to be controlled in two directions.

The LX803MEAP is a surface mount, symmetrical TRIAC with an integrated protection diode. This type of TRIAC has a low holding current, which means that it is used for switching small loads with current ratings as low as 2mA. The integrated protection diode will help protect any overloads from damaging the TRIAC device. The LX803MEAP is suitable for use in a wide range of applications, from lighting control to AC motor control.

The main operating principle of the LX803MEAP is that when current flows into the main gate, it will trigger the TRIAC to turn on. This is the main way that the TRIAC is activated. The triac will then remain on until the anode current goes below the holding current, meaning that there is no further gate current, or when the anode current reaches the turn off current.

In terms of application fields, the LX803MEAP is suitable for a wide range of applications, including:

• Lighting control
• AC motor control
• Power supply phase control
• Temperature control
• Heater controllers
• Voltage regulators
• DC motor speed controllers
• Residual current protection
• Continuous pulse control for induction heating systems

The LX803MEAP is especially well suited for applications where a small, efficient TRIAC device is required. It has a low holding current and can handle peak currents up to 800mA, making it suitable for a wide range of applications.

In summary, the LX803MEAP is a low cost, surface mount, symmetrical TRIAC with an integrated protection diode. It is suitable for a wide range of applications from lighting control to AC motor control, and is ideal for applications where a small, efficient TRIAC device is required. The main operating principle of the TRIAC is that when current flows into the main gate, it will be activated and will remain on until the anode current goes below the holding current or the anode current reaches the turn off current.

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