SM8S11AHE3/2D

Current - Peak Pulse (10/1000µs):	363A
Base Part Number:	SM8S
Supplier Device Package:	DO-218AB
Package / Case:	DO-218AB
Mounting Type:	Surface Mount
Operating Temperature:	-55°C ~ 175°C (TJ)
Capacitance @ Frequency:	--
Applications:	Automotive
Power Line Protection:	No
Power - Peak Pulse:	6600W (6.6kW)
Series:	Automotive, AEC-Q101, PAR®
Voltage - Clamping (Max) @ Ipp:	18.2V
Voltage - Breakdown (Min):	12.2V
Voltage - Reverse Standoff (Typ):	11V
Unidirectional Channels:	1
Type:	Zener
Moisture Sensitivity Level (MSL):	--
Part Status:	Obsolete
Lead Free Status / RoHS Status:	--
Packaging:	Tape & Reel (TR)

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SM8S11AHE3/2D Applications and Working Principle of TVS DiodesTVS diodes, which are used to provide protection against potentially damaging voltage transients, have made a significant impact on the semiconductor industry, in particular in the automotive, industrial, military and aerospace sectors. As technology advances, designers are continually innovating to create new and improved solutions. One of the latest innovations is the SM82SAHE3/2D, a three-terminal diode with two independent breakdown voltage ratings.The SM82SAHE3/2D is a type of Transient Voltage Suppression (TVS) diode with an operating range of 10V-110V, a surge current rating of 40A peak for 8/20μs and 100A for 2ms, and minimum breakdown voltage of 10V. It is built to handle higher voltages of up to 110V, making it suitable for applications such as portable power supplies, battery charging circuits and over-voltage protection circuits, typically used in automotive, industrial, military and aerospace equipment.The SM82SAHE3/2D works by acting as a short-circuit once the voltage across it exceeds its breakdown voltage. The device is designed with three terminals; an anode (A), a cathode (K) and a temperature sensing element (T). The device is non-conductive until the voltage across it reaches the breakdown threshold, at which point it will become very conductive, clamping down the voltage and preventing further surge or current flow.The SM82SAHE3/2D is designed with a temperature sensing element. This means if the current flow in the device exceeds its current rating, or the temperature of the device exceeds its specified temperature, it will enter its thermal response mode. In this mode, the device will reduce its breakdown voltage to a point where it can still provide effective protection but without risking any damage. This ensures that the device will safely and effectively protect any circuit against transient over-voltage or current surges in a wide range of temperatures.The main advantages of the SM82SAHE3/2D include its extremely low clamping voltage, ultra-fast response time, high surge current rating, wide operating temperature range and high reliability. This makes it suitable for a wide range of applications from automotive and industrial equipment to military and aerospace systems.In conclusion, the SM82SAHE3/2D provides reliable, high-performance protection against voltage transients and surges for a wide range of applications. It is designed with three terminals, a temperature sensing element, and a range of features that allow it to preserve the integrity of a circuit while offering maximum protection. This makes it an ideal choice for a variety of applications.

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