SMAJ40AHM2G

Voltage - Clamping (Max) @ Ipp:	64.5V
Supplier Device Package:	DO-214AC (SMA)
Package / Case:	DO-214AC, SMA
Mounting Type:	Surface Mount
Operating Temperature:	-55°C ~ 150°C (TJ)
Capacitance @ Frequency:	--
Applications:	Automotive
Power Line Protection:	No
Power - Peak Pulse:	400W
Current - Peak Pulse (10/1000µs):	6.2A
Series:	Automotive, AEC-Q101, SMAJ
Voltage - Breakdown (Min):	44.4V
Voltage - Reverse Standoff (Typ):	40V
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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TVS - Diodes

TVS, or transient voltage suppressors, are diodes that help protect other electrical components from severe voltage surges. Commonly referred to as "gas" or "discharge" diodes, these devices are usually found in power supplies, audio, communications, automotive, data processing and similar electronic systems, as they are used to protect sensitive components from damage due to voltage and current transients. The SMAJ40AHM2G, is an example of a TVS diode, which can be used in a variety of applications.

SMAJ40AHM2G Application Field

The SMAJ40AHM2G provides a high level of protection against ESD, lightning, and other transient voltage strikes. It contains two separate sources of protection – a low capacitance unidirectional diode for ESD protection and a bidirectional diode to protect against high-energy transients such as inductive load transients or contact transients. This product is particularly suited for automotive applications, due to its high surge capability and low operating voltage ratings.

SMAJ40AHM2G Working Principle

The SMAJ40AHM2G works on the principle of suppression. When a surge reaches the diode, the voltage of the diode and the voltage of the surge add up to form a wave. When this wave reaches the junction of the diode, an avalanche effect is created, dissipating the surge energy through heat. If the surge energy exceeds the diode\'s ratings, current will flow through the diode. If the current exceeds the maximum current rating of the SMAJ40AHM2G, the diode will fail.

Additional Benefits

The SMAJ40AHM2G has a low Clamping Voltage, which helps reduce the voltage of the surge and prevents it from entering other sensitive parts of the circuit. It is also fast responding, meaning it is able to control voltage surges in less than 1 nano second. Furthermore, it is bidirectional, meaning it can protect against transients, regardless of their source.The SMAJ40AHM2G diode has a wide range of uses in automotive, data processing, electronics, and communications industries due to its excellent ESD, lightning, and transient protection capabilities. Its low Capacitance, low Clamping Voltage, fast response time, and bidirectional protection make it a great choice for these applications.

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