Current - Peak Pulse (10/1000µs):	8.6A
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:	23.2V
Voltage - Breakdown (Min):	15.6V
Voltage - Reverse Standoff (Typ):	14V
Unidirectional Channels:	1
Type:	Zener
Moisture Sensitivity Level (MSL):	--
Part Status:	Active

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TVS - Diodes: SMF14AHRQG Application Field and Working Principle

TVS (Transient Voltage Suppressor) diodes are a form of semiconductor device that offers protection against high voltage transients. It is typically used to suppress pulse transients and electrostatic discharges, which are often associated with RF signals, lightning strikes, and electrical surges. The SMF14AHRQG is a TVS diode designed to handle up to 144 Volts, with high surge capabilities, making it suitable for use in a wide range of automotive, electrical, and industrial applications.

How TVS Diodes Work

TVS diodes are basically regular diodes with an added protection element. This element is designed to protect the device from high voltage transients, and can also reduce the loss of current due to a diode\'s ‘reverse recovery time’—the time it takes for a diode to turn off after being forward-biased.The protection element acts like a surge capacitor, retarding the increase of the reverse voltage of the diode. As such, TVS diodes have much higher reverse voltage ratings than conventional diodes, which makes them ideal for applications where large voltage transients are expected.

Application of the SMF14AHRQG

The SMF14AHRQG is a fast-acting bi-directional diode specifically designed for use in automotive and industrial applications. It has an operating power dissipated of 700mW and an IEC static flame retarding rating of UL 94 V-0, meaning it can provide excellent protection against large voltage transients. The diode is self-heating, so it can handle higher repeat surge current, which makes it suitable for high-power electronics, such as HID lights and LED drivers. It is also highly resistant to EMC interference, meaning it can be used in a wide range of electrical circuits.The SMF14AHRQG is suitable for use with high-reliability devices, such as computers, robots, and industrial process control systems. Its fast response time makes it perfect for applications that require fast shutdown circuits.

Conclusion

The SMF14AHRQG TVS diode is designed to handle up to 144 Volts, with high surge capabilities. It is specifically designed for use in a wide range of automotive, electrical, and industrial applications. The diode is self-heating, so it can handle higher repeat surge currents, making it ideal for high-power electronics. And its fast response time makes it perfect for applications that require fast shutdown circuits.

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