3KASMC18AHE3_B/H

Voltage - Clamping (Max) @ Ipp:	29.2V
Supplier Device Package:	DO-214AB (SMC)
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):	103A
Series:	Automotive, AEC-Q101, PAR®
Voltage - Breakdown (Min):	20V
Voltage - Reverse Standoff (Typ):	18V
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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Introduction of TVS - Diodes (3KASMC18AHE3_B/H Application Field and Working Principle)A Transient Voltage Suppression (TVS) diode, also known as Transient Voltage Suppressor diode, is a type of semiconductor diode used to protect circuits from voltage transients caused by external disturbances, such as electrostatic discharges (ESD). It works by quickly clamping the voltage around its breakdown voltage, thus suppressing any further potential surges. It is connected in parallel to the circuit it is protecting to absorb and dissipate any voltage spikes.Application Fields of TVS - DiodesTVS - diodes are commonly used in a wide range of applications in various industries. They are used to protect circuits against overvoltage, noise, surges, and lightning strikes. They are used to protect circuits in automotive, industrial, telecom, and computer applications. They are also used in domestic appliances, toys, and games, and in TV sets, monitors, and keyboards.3KASMC18AHE3_B/H3KASMC18AHE3_B/H is one widely used TVS diode by Mouser Electronics. This diode is designed to protect sensitive electronic components from damaging voltage spikes. It is a single line ultra-low capacitance, low leakage, unidirectional fast-recovery diode. This diode features an avalanche current rating of 18.0A (10/1000μsec). The maximum reverse surge current is 183A (8.3ms, half sine wave) and the breakdown voltage is 3.3V. This TVS diode is suitable for applications in automotive, computer, telecom, and industrial fields.Working Principle of TVS - DiodesTVS diodes work by quickly clamping the voltage around its breakdown voltage. This normally happens when a transient voltage spike occurs, triggering the diode to conduct current and therefore absorb the surge. When functioning properly, the transients are absorbed and dissipated, protecting the circuit from any damage.The working principle of a TVS diode is based on the principle of avalanche breakdown. This phenomenon occurs when a very high electric field is created in a narrow region of a semi-conductive material due to a significant increase in the reverse electric field. This high electric field causes electrons in the material to gain energy from the field, accelerate and collide with other atoms, and free up more electrons. This increases the current in the diode and reduces the voltage. Once the transient voltage passes, the diode quickly clamps back to its original state.ConclusionTVS-diodes are used to protect circuits from voltage transients caused by external disturbances like ESD, and are commonly used in multiple industries. 3KASMC18AHE3_B/H is one widely used TVS diode by Mouser Electronics and features an avalanche current rating of 18.0A (10/1000μsec) and a breakdown voltage of 3.3V. The working principle of a TVS diode is based on the principle of avalanche breakdown, where electrons collide with other particles to free up more electrons and reduce the voltage.

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