SMF9.0AHRQG Circuit Protection

Current - Peak Pulse (10/1000µs):	13A
Supplier Device Package:	SOD-123W
Package / Case:	SOD-123W
Mounting Type:	Surface Mount
Operating Temperature:	-55°C ~ 175°C (TJ)
Capacitance @ Frequency:	--
Applications:	Automotive
Power Line Protection:	No
Power - Peak Pulse:	200W
Series:	Automotive, AEC-Q101, SMF
Voltage - Clamping (Max) @ Ipp:	15.4V
Voltage - Breakdown (Min):	10V
Voltage - Reverse Standoff (Typ):	9V
Unidirectional Channels:	1
Type:	Zener
Moisture Sensitivity Level (MSL):	--
Part Status:	Active

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SMF9.0AHRQG Application Field and Working Principle

TVS - Diodes (Transient Voltage Suppressor) are widely used in the electronics field because of their ability to provide protection to circuits from high voltages and currents. The SMF9.0AHRQG is a TVS diode that has been designed for applications where a higher voltage and higher current protection than traditional diodes provide is required. This diode is a common choice for protecting sensitive and expensive electronics components from potentially damaging voltage spikes, transients, and over-voltage conditions.

Application Field

The SMF9.0AHRQG is used in a variety of applications, such as automotive, consumer electronics, industrial, medical, and telecommunications. Its high-voltage capability makes it an excellent choice for these types of applications. In automotive applications, the SMF9.0AHRQG can be used to provide protection to vehicle electronics, such as powertrain systems, engine control, airbags, and ABS systems. In consumer electronics, the diode can be used to protect sensitive electronics, such as laptops, tablets, and phones, from damage due to electrostatic discharge and other types of electrical damage. Additionally, in industrial applications, these diodes can be used in high-voltage applications, such as power supplies and motor control systems, to protect components from high-voltage over-loads and to reduce the risk of equipment failure or fire due to electrical faults.

Working Principle

The SMF9.0AHRQG diode is based on the two-terminal surge current device technology. The device is designed to protect sensitive circuits against high-voltage and high-energy transients. It operates on a two-stage principle with the first stage providing high levels of over-voltage protection and the second stage providing high current protection.The two-terminal surge current device contains two terminals: a cathode and an anode. The anode is the input terminal which is usually connected to the power supply or other voltage source, and the cathode is the output terminal which is connected to the circuit that needs protection. When the input voltage reaches a predetermined threshold level, the device turns on and conducts current from the anode to the cathode, thereby providing protection to the circuit. The SMF9.0AHRQG has two important characteristics: high peak pulse power capability and high peak pulse current capability. The peak pulse power capability refers to the maximum amount of power (in watts) the diode can handle. It is measured by the peak $1/2 s$ pulse power rating of the device. The peak pulse current capability is the maximum current (in amps) that the diode can handle. It is measured by the peak 10/1000 s pulse current rating of the device. The SMF9.0AHRQG is available with a peak pulse power rating of up to 9,000 W and a peak pulse current rating of up to 900 A. In conclusion, the SMF9.0AHRQG is a two-terminal surge current device designed to provide protection from high-voltage and high-energy transients. Its high peak pulse power and current capabilities make it an excellent choice for automotive, consumer electronics, industrial, medical, and telecommunications applications.

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