MXSMCG78CA Circuit Protection

Voltage - Clamping (Max) @ Ipp:	126V
Supplier Device Package:	SMCG (DO-215AB)
Package / Case:	DO-215AB, SMC Gull Wing
Mounting Type:	Surface Mount
Operating Temperature:	-65°C ~ 150°C (TJ)
Capacitance @ Frequency:	--
Applications:	General Purpose
Power Line Protection:	No
Power - Peak Pulse:	1500W (1.5kW)
Current - Peak Pulse (10/1000µs):	11.4A
Series:	Military, MIL-PRF-19500
Voltage - Breakdown (Min):	86.7V
Voltage - Reverse Standoff (Typ):	78V
Bidirectional Channels:	1
Type:	Zener
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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ArticleTVS-Diodes are an important element in the protection of the electrical components from surges, such as those caused by lightning, power outages, or human error. The MXSMCG78CA is a unidirectional Transient Voltage Suppressor Diode, designed for surface mount applications that will protect against transients generated by inductive loads, and is ideally suited for use in portable, battery-powered electronic devices.The main characteristic of this TVS-Diode is its peak pulse power dissipation rating of 780 Watts. The two terminal component is designed to dissipate power in an environment where the clamped voltage is as high as 30V. This rating makes it suitable for use in high-speed data line applications, including USB 2.0, IEEE 1394 (FireWire), HDMI, and PCI Express.The working principle of the MXSMCG78CA is based on the physical principle of tunneling. When a voltage surge is encountered, a high electric field is established across the junction of the diode, which causes excess current to flow through the junction. This current is converted into heat, causing a voltage drop and absorbing the surge energy.Aside from its peak power dissipation rating, the diode has other features that make it attractive for use in consumer electronics applications. It has low leakage current and a fast response time of under one nanosecond, which makes it ideal for use in high speed data line protection. It is also RoHS compliant, and it is available in sizes from SOT-23-6 to SMA packages.The MXSMCG78CA is also well suited for use in Automotive and Aerospace applications, where its ability to absorb transient energy with minimal distortion in voltage can be advantageous. It can be used to protect equipment from power surges caused by electrical noise or contact with metal components, and it is capable of absorbing electrical shocks caused by lightning strikes.In summary, the MXSMCG78CA is a unidirectional Transient Voltage Suppressor Diode designed for surface mount applications and is especially well suited for protection against transient energy caused by inductive loads. It has a peak power dissipation rating of 780 Watts and a fast response time of under one nanosecond. It is also RoHS compliant and is available in a variety of packages, making it suitable for use in Automotive, Aerospace, and consumer electronics applications.

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