MASMCJLCE28A/TR Circuit Protection

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Transient Voltage Suppressors (TVS) diodes are a type of semiconductor protection device designed to protect sensitive electronic circuits from overvoltage and overcurrent faults. The MASMCJLCE28A/TR is a unidirectional TVS diode specifically designed to offer high surge capability and low clamping voltage.

The MASMCJLCE28A/TR can be used in a wide variety of applications including telecom, automotive, military, aerospace, industrial, consumer, and medical systems. It can provide protection against electrostatic discharge (ESD), electrical fast transients (EFT), and lightning induced transients. Additionally, the device can be used in positive or negative overvoltage protection circuits.

The MASMCJLCE28A/TR is based on a silicon avalanche technology designed to provide the highest possible protection against surges in the shortest possible time period. It is a symmetrical device with symmetrical breakdown characteristics allowing it to be used for both ESD and EFT protection. The device has an operating temperature range of -55 to 125 ºC and a peak power dissipation of 1.5 W.

The working principle of the MASMCJLCE28A/TR is based on its design as a unidirectional TVS diode. When a transient voltage is applied on the diode, a transient current flows through the diode. This current causes the diode to begin conducting when the voltage across the diode reaches a certain level (known as the breakdown voltage or clamping voltage). As the diode conducts, the current is limited to a safe level by the internal resistance of the diode, thus protecting the downstream circuitry from damage.

Once the surge event has passed, the diode will revert to its non-conducting state. Depending on the surge energy and circuit design, the diode may need to be replaced due to damage caused by the surge event. Fortunately, the MASMCJLCE28A/TR is designed with a low thermal shock rating meaning it can operate under peak transient power dissipation conditions without sustaining significant damage.

The MASMCJLCE28A/TR is designed to provide the highest levels of protection while operating in the lowest possible voltage range, allowing it to be used in a wide variety of applications. Its symmetrical breakdown characteristics and small package size make it ideal for use in limited space applications. Additionally, the device is designed to operate with unexpected surge voltages and energies, thus providing maximum protection for sensitive electronic circuits.

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