MASMBJ45A

Voltage - Clamping (Max) @ Ipp:	72.7V
Supplier Device Package:	SMBJ (DO-214AA)
Package / Case:	DO-214AA, SMB
Mounting Type:	Surface Mount
Operating Temperature:	-65°C ~ 150°C (TJ)
Capacitance @ Frequency:	--
Applications:	General Purpose
Power Line Protection:	No
Power - Peak Pulse:	600W
Current - Peak Pulse (10/1000µs):	8.3A
Series:	Military, MIL-PRF-19500
Voltage - Breakdown (Min):	50V
Voltage - Reverse Standoff (Typ):	45V
Unidirectional Channels:	1
Type:	Zener
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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The MASMBJ45A is a TVS diode used to protect sensitive electronic components from over-voltage conditions. It is designed to provide a low voltage breakdown capability and low leakage current. This device is used in a number of applications such as:1. Surge protection: The MASMBJ45A acts as a surge protector and guards against over-voltage surges such as those caused by lightning or power outages. It can limit the voltage applied to sensitive electronic devices and prevent them from becoming damaged.2. Over-voltage protection: The MASMBJ45A is capable of providing protection from both positive and negative over-voltage conditions. This allows it to be used in a wide variety of applications where over-voltage protection is needed such as consumer electronics, automotive and industrial control systems.3. Anti-static protection: The MASMBJ45A can also be used to provide anti-static protection for sensitive electronic devices. This type of device is especially useful in applications where static electricity can easily damage components such as in computer or telephone networks.The working principle of the MASMBJ45A is based on two basic electric concepts - Conductance and Breakdown. Conductance refers to the ability of the device to conduct current, and Breakdown is the ability of the device to prevent current flow. The device is constructed with a series of metal electrodes separated by an insulating material. When a voltage is applied across the device, it will increase the conductance until it reaches the threshold or breakdown voltage. At this point, the device will break down and prevent current flow.The MASMBJ45A provides protection by limiting the voltage applied to the device and preventing damage to sensitive components. The device is able to do this by operating on the principles of Zener breakdown. When the voltage applied to the device exceeds the threshold voltage, the device will conduct current. This current is then dissipated, which limits the voltage applied to the protected circuit and prevents damage to sensitive components.The MASMBJ45A is part of a family of TVS devices which all provide protection in a variety of applications. These devices are commonly used to protect sensitive electronic components from over-voltage conditions, such as those caused by lightning or power outages. They can also protect against static electricity and be used in a wide variety of other applications. This makes the MASMBJ45A an essential tool in the fight against electronic damage and system failure.

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