Voltage - Clamping (Max) @ Ipp:	69.4V
Supplier Device Package:	DO-214AB (SMCJ)
Package / Case:	DO-214AB, SMC
Mounting Type:	Surface Mount
Operating Temperature:	-65°C ~ 185°C (TJ)
Capacitance @ Frequency:	--
Applications:	Automotive
Power Line Protection:	No
Power - Peak Pulse:	3000W (3kW)
Current - Peak Pulse (10/1000µs):	43.2A
Series:	Automotive, AEC-Q101, PAR®
Voltage - Breakdown (Min):	47.8V
Voltage - Reverse Standoff (Typ):	43V
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Part Status:	Obsolete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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TVS - Diodes - 3KASMC43AHM3_A/I application field and working principle

TVS-diodes are very useful components for protecting electronic systems from overvoltage damage. They are very effective when it comes to providing Extra Surge Strength leakage/Clamping/Absorption behavior. A TVS diode is a variation of a diode that is specially designed for protection against transient over-voltages. More often than not, they act as a sealant, absorbing and dissipating high-voltage transients.The 3KASMC43AHM3_A/I is a type of TVS-diode, especially designed to provide extra surge protection in the automotive industry. The device works in a simple manner; it features a precisely matched pair of devices that are connected in an anti-parallel configuration so that any positive energy above a certain level is diverted to ground, and any negative energy below the certain level is diverted to ground, thereby providing protection against both positive and negative transients.This diode features a low leakage current of 5uA and a maximum surge current of 12.5A, making it suitable for automotive applications. It can also withstand a peak operating voltage of up to 43V, making it ideal for providing protection in harsh conditions. It is also very efficient, dissipating just 0.05W even when facing surges of up to 10A.The 3KASMC43AHM3_A/I is an ideal solution for a range of automotive applications, such as switched-mode power supplies, automotive ECUs, control systems and LED drivers. It is extremely reliable and can effectively protect circuits from electrostatic discharge, lightning surges and inductive switching pulses. As such, it is the perfect choice for applications that require reliable protection from voltage transients.The working principle of the 3KASMC43AHM3_A/I is very straightforward. It begins with two precise matched silicon diodes that are connected in an anti-parallel way. Once the device’s breakdown voltage rating is reached, the two diodes become reverse-biased and the voltage swing in the signal path then decreases. This reduces the voltage overshoot of the signal, protecting the circuit from voltage transients.The 3KASMC43AHM3_A/I is an easy to use, robust device with a wide range of protection and application capabilities. It is ideal for automotive ECUs, control systems, LED drivers, and other power-related applications that require reliable protection from voltage transients. The device is very efficient, dissipating just 0.05W even when dealing with surges of up to 10A. High-quality components and a robust design ensure that the device is reliable and durable. As such, it is the perfect choice for enterprises looking for high-level protection against voltage transients in their automotive applications.

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