MASMLJ18A

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The MASMLJ18A is a 12V surface-mount transient voltage suppressor (TVS) with an electrode-electrolyte overlay device. It is designed to provide protection for sensitive electronics against electrical transients such as the power surges caused by electrostatic discharge, surge and other mechanical shock events. The MASMLJ18A is RoHS-compliant and also meets the requirements of UL1449 3rd Edition.

Applications for the MASMLJ18A can be found in a variety of electronic devices, including computers, routers, flat panel displays, telecommunications equipment, and LEDs. It is also used to provide protection for automotive, industrial, and medical applications. Additionally, the MASMLJ18A is designed for both axial and SMT installations.

The MASMLJ18A has a Peak Pulse Power of 600 watts. It provides an absolute maximum Clamping Voltage (VC) of 15V with a Reverse Standoff Voltage (Vrwm) of 12V. The Junction Capacitance (Cj) of the device is typically 10pF. The Maximum Reverse Leakage Current (IR) is 10μA. The Operating Temperature range is -55°C to +125°C.

Working principle of the MASMLJ18A: The MASMLJ18A is an active device that uses avalanche breakdown to absorb large voltage transients. The device is composed of a junction between two dissimilar materials with an inverse progress junction that is designed to clamp a voltage surge at the intended voltage level. The device works by creating an avalanche multiplication of carriers when a surge voltage is applied and limiting it to the specified maximum clamping voltage. The avalanche multiplication creates a high electrical current that is dissipated as heat, thus providing protection against electrical transients.

The MASMLJ18A provides superior ESD protection and excellent clamping capability. It has a low-profile design and is suitable for automated placement. The device is designed to meet the IEC 61000-4-2 international standard for electrostatic discharge immunity. Additionally, the device is also RoHS-compliant and meets UL1449 3rd Edition requirements.

In summary, the MASMLJ18A is a 12V surface-mount transient voltage suppressor (TVS). It can be used to provide protection for a variety of electronic applications against electrical transients such as the power surges caused by electrostatic discharge, surge and other mechanical shock events. The device has a peak pulse power of 600 watts and a maximum clamping voltage of 15V. The MASMLJ18A is RoHS-compliant and meets the requirements of UL1449 3rd Edition. It is designed to provide superior ESD protection and excellent clamping ability and is suitable for automated placement.

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