SMAJ9.0AHR3G Circuit Protection

Voltage - Clamping (Max) @ Ipp:	15.4V
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):	26A
Series:	Automotive, AEC-Q101, SMAJ
Voltage - Breakdown (Min):	10V
Voltage - Reverse Standoff (Typ):	9V
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 IntroductionTVS-Diodes, also known as Transient Voltage Suppression Diodes or Transient Voltage Suppression Devices, are two-terminal devices which protect electrical components and systems from overvoltages and destructive electrostatic discharges (ESD). This type of diode is designed to limit the energy of transient voltages to safe levels, reducing the risk of damage to connected systems. When a high current load is applied, TVS-Diodes will provide current-limiting protection, in addition to protection against overvoltages.SMAJ9.0AHR3G The SMAJ9.0AHR3G is a 400 W unidirectional Transient Voltage Suppression diode that provides effective protection against overvoltages and transients. This diode is able to reduce the voltage across its terminals from overvoltage to a safe level within a few microseconds, thus protecting the device and/or system. Application FieldThe SMAJ9.0AHR3G is suitable for a variety of applications, including power supplies, battery cells, telecommunications, computers, and other electronic equipment. The diode is also used to protect critical ICs and circuits in motherboards, modems, and other devices.Working PrincipleThe SMAJ9.0AHR3G works by shunting the transient voltage to ground, limiting the energy of the transient voltage to safe levels. During normal operation, the diode is in a forward biased state, acting as an open switch. When a transient voltage is applied, the diode changes to a reverse biased state, and acts as a short circuit, shunting the energy to ground. This process reduces the voltage across the terminals of the diode to a safe level, protecting the device and/or system.ConclusionThe SMAJ9.0AHR3G is a 400 W unidirectional Transient Voltage Suppression diode that provides effective protection against overvoltages and transients. The diode is suitable for a variety of applications, and works by shunting the transient voltage to ground, limiting the energy of the transient voltage to safe levels. This type of diode is an invaluable protection device for electronic systems, and is essential for ensuring the safety and reliability of the connected system.

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