MA1.5KE120A

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MA1.5KE120A is a unidirectional Transient Voltage Suppressor (TVS) diode, which provides reliable protection against overvoltage and is typically utilized as an interface between high-voltage circuits. The device is designed to protect electronic equipment from transients caused by lightning strikes, AC power cross and inductive loads. Here we discuss the application fields and the working principles for MA1.5KE120A.

Application Fields

The most common application fields for MA1.5KE120A are in telecommunications, automotive, consumer electronics, and industrial equipment. In telecommunications, MA1.5KE120A is typically used in telephone lines and central office equipment, providing protection against ESD, power cross, and lightning. The device is also used in automotive applications, such as overvoltage protection for on board electronic components and protecting against transients generated by the ignition system. In consumer electronics, MA1.5KE120A provides protection against electrical transients in portable electronic devices. Finally, in industrial equipment, the device is used in power supplies and signal lines to protect against high-voltage transients.

Working Principle

The MA1.5KE120A is designed to protect electronic components from voltage transients by clamping down on the voltage when it exceeds a certain predetermined limit. When the voltage across the device reaches its peak inverse voltage (PIV) rating, it begins to conduct and reduces the voltage to a safe level. This is done by redirecting the excess voltage through a low-resistance path to the ground line. The device will then stay in this conducting mode until the voltage reduces to a normal level.

MA1.5KE120A provides great protection against electrical transients and is widely used in telecommunications equipment, automotive applications, consumer electronics, and industrial equipment. It offers superior protection due to its high peak pulse power capabilities and low clamping voltages. The device works by clamping down when the voltage reaches its PIV rating, providing a safe path for the excess voltage and effectively preventing damage to the components connected to it.

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