SZSMF13AT1G

Voltage - Clamping (Max) @ Ipp:	21.5V
Supplier Device Package:	SOD-123FL
Package / Case:	SOD-123F
Mounting Type:	Surface Mount
Operating Temperature:	-55°C ~ 150°C (TJ)
Capacitance @ Frequency:	--
Applications:	Automotive
Power Line Protection:	No
Power - Peak Pulse:	200W
Current - Peak Pulse (10/1000µs):	9.3A
Series:	Automotive, AEC-Q101
Voltage - Breakdown (Min):	14.4V
Voltage - Reverse Standoff (Typ):	13V
Unidirectional Channels:	1
Type:	Zener
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Tape & Reel (TR)

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TVS - Diodes are a type of transient voltage suppressor (TVS) which provides protection against electrical overstress (EOS). They are commonly used in automotive and industrial applications where they are exposed to alternating current (AC) or direct current (DC). The SZSMF13AT1G is an example of a TVS diode designed for use in automotive and industrial applications.The SZSMF13AT1G has a reverse stand-off voltage of 13 V and an operational power dissipation of 1 KW. The device is a single-chip structure, and is used to protect against transient over-voltage, electrical overstress, and over-charging events. The device has a low on-state resistance, which means it can handle high current signals without significant loss in power. Additionally, the device has an integrated junction capacitor, which helps to reduce electrical noise, ensuring the signal is clean.In terms of its application field, the SZSMF13AT1G is mainly used in automotive, industrial, and electrical overstress protection systems. Automotive applications include protection against power surges during car start up, reverse battery connection, and ECU reset. The device provides protection against over-voltage and over-current in a variety of industrial and commercial applications where reliable and fast-acting protection is required. It can also be used in various telecom applications, such as protecting against lightning strikes and power transients.The working principle of the SZSMF13AT1G is based on the Zener breakdown phenomenon. When an over-voltage is applied to the device, the electric field across the intrinsic region of the device increases rapidly. This leads to an avalanche breakdown, in which the electric field across the junction continues to grow until a Zener breakdown occurs. At this point, the device enters the breakdown mode, and the electric charge is dissipated through the diode to ground. This action reduces the electric field across the junction, ensuring the device does not suffer damage.The SZSMF13AT1G is designed to provide effective and reliable protection against electrical overstress events. Its Zener breakdown design ensures fast and efficient operation, while its low on-state resistance prevents significant power losses. The device is suitable for a wide range of automotive, industrial, and EOS protection applications, and is an ideal choice for applications which require reliable protection against over-voltage and over-current.

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