SA11CAHB0G Circuit Protection

Voltage - Clamping (Max) @ Ipp:	18.2V
Supplier Device Package:	DO-204AC (DO-15)
Package / Case:	DO-204AC, DO-15, Axial
Mounting Type:	Through Hole
Operating Temperature:	-55°C ~ 175°C (TJ)
Capacitance @ Frequency:	--
Applications:	Automotive
Power Line Protection:	No
Power - Peak Pulse:	500W
Current - Peak Pulse (10/1000µs):	28A
Series:	Automotive, AEC-Q101, SA
Voltage - Breakdown (Min):	12.2V
Voltage - Reverse Standoff (Typ):	11V
Bidirectional Channels:	1
Type:	Zener
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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TVS - Diodes in SA11CAHB0G Applications and Working Principle

TVS - Diodes are small electronic components used mainly in the protection of insulating materials from overvoltage damage caused by short-term or permanent electrical surge. Commonly referred to as "transient voltage suppressors" (TVSs), these diodes are particularly well suited for electrostatic discharge (ESD) protection in consumer and industrial electronics.The SA11CAHB0G is a special type of TVS diode, a series of higher power transient voltage suppressors designed to protect against larger transient electrical events such as switching surges, line transients, lightning, and the like. The SA11CAHB0G is available in a range of voltages, from 3.3 volts to 45 volts, with an average power dissipation rating of 60 watts.In terms of its application field, the SA11CAHB0G is specifically designed to be used in the protection of various electronic components, such as bus busses, power switches/MOSFETS, processors, controllers, TTL logic, and other sensitive equipment, against potential overvoltage and ESD incidents. Additionally, the SA11CAHB0G can also be used in automotive applications, especially those involving increased switching frequencies under high operating temperatures or vibration.The SA11CAHB0G is unique in its ability to provide circuit protection while allowing voltage to remain at a high level for a relatively long period of time. This is thanks to the diode\'s triple-suppressor protection structure, which consists of three stages of suppression devices providing step-down capabilities. Those three stages are: a high power surge suppressor device that provides short-term surge protection; a low-power suppressor that provides temperature-dependent medium-term protection; and a very low power device that offers long-term attenuation of the waveform.When the SA11CAHB0G is activated, all three stages of suppression come into play on a waveform; the devices act in succession, attenuating the total energy in the waveform until it approaches the clamping voltage of the device. This helps protect the system against overvoltage and ESD by limiting the energy of a transient event, thus allowing it to remain operational.In terms of its working principle, the SA11CAHB0G is a device that does not require any additional power supply or voltage source to function, instead relying on the kinetic energy of the electric current to activate it. During an overvoltage event, the current flowing through the diode will be diverted to a second low-power dissipation path, thus limiting the voltage flowing through the primary path and keeping the voltage within the safe range.In conclusion, the SA11CAHB0G is a special type of TVS diode specifically designed to protect electronics against overvoltage and ESD events. It relies on a triple-suppressor protection structure, wherein three stages of suppression devices work in succession to attenuate the waveform; and it does not require additional power sources or voltage sources to function, instead relying on the kinetic energy of the electric current flowing through the diode to activate it. The SA11CAHB0G is available in different voltages and is especially well suited for automotive applications, so it is definitely worth considering if you need to protect sensitive electronics.

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