SMF7.0A RQG

Current - Peak Pulse (10/1000µs):	16.7A
Supplier Device Package:	SOD-123W
Package / Case:	SOD-123W
Mounting Type:	Surface Mount
Operating Temperature:	-55°C ~ 175°C (TJ)
Capacitance @ Frequency:	--
Applications:	General Purpose
Power Line Protection:	No
Power - Peak Pulse:	200W
Series:	SMF
Voltage - Clamping (Max) @ Ipp:	12V
Voltage - Breakdown (Min):	7.78V
Voltage - Reverse Standoff (Typ):	7V
Unidirectional Channels:	1
Type:	Zener
Moisture Sensitivity Level (MSL):	--
Part Status:	Active

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SMF7.0A RQG Application Field and Working Principle

TVS - Diodes are the acronym for transistor voltage suppressors. It offers bidirectional ESD protection for sensitive electronic components. This protection is offered in almost all electronic circuits to protect them from damage due to high electrostatic energy. TVS-diode also avoids the motion of high-voltage circuits while maintaining a low current level. It also prevents a high-current surge from damaging an electronic component. The SMF7.0A RQG is a transient voltage suppressor developed by ROHM semiconductor. It is an uni-directional device that gives protection from extreme voltage transients in order to defend I/O lines. The SMF7.0A RQG can protect against a peak pulse power of up to 600W (8 / 20 μS).This device has an additional / enhanced environment protection due to the presence of conformal coating and other protection techniques. These techniques include a surge stress absorber, backflow absorber, direct-flow absorber, and a positive temperature coefficient.SMF7.0A RQG has a Zener breakdown voltage of 7V, while the peak power dissipation is 600W (8/20μs). Its Breakdown Voltage (VBR) is at a value of 6.4V. This device operates at a temperature range of -55°C & +125°C and reverse leakage current of 100uA. It also offers excellent clamping characteristics and requires low clamping voltage. It packs a power of high protection and has the ability to absorb ESD, surge, and other transient effects.The SMF7.0A is commonly used for bidirectional protection in circuits that are exposed to lightning, power line transients, and other load-shedding events. The device absorbs power dissipation through linear regulating of the clamping voltage, limiting the voltage peak. This reduces the risk of damaging an electronic device. The SMF7.0A can also be used to protect controllers in high-voltage application such as motor drives, lighting, and renewable energy systems. The transient voltage suppressors have different packages and configurations which provide protection in a variety of applications. It is important consideration that should be taken before selecting a specific type of TVS-diode. For example, SMD packages provide lower capacitance and are ideal for surface mounting. On the other hand, through-hole components can provide higher energy absorption and are better suited for applications with higher power spike levels. The working principle behind SMF7.0A RQG transient voltage suppressors is based on the avalanche breakdown of a junction. When an over-voltage transient is detected, the TVS-diode will operate in true avalanche breakdown and start to conduct current. This current is then diverted to the ground path and the excessive voltage is reduced. This process is known as transient voltage suppression and helps limit the energy that can be absorbed by an electronic component.In conclusion, the SMF7.0A RQG is a uni-directional device offering ESD protection as well as voltage transient immunity. Its Zener breakdown voltage is 7V, while peak power dissipation is 600W (8/20μs). SMF7.0A RQG has a wide range of applications in controlling, motor drives, lighting, renewable energy systems, and other circuits that are subjected to lightning and power line transients. Its working principle is based on the avalanche breakdown, which helps to divert the surge voltage away from the device, thereby protecting it from potential damage.

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