1SMC7.5A TR13

Voltage - Clamping (Max) @ Ipp:	12.9V
Supplier Device Package:	SMC
Package / Case:	DO-214AB, SMC
Mounting Type:	Surface Mount
Operating Temperature:	-65°C ~ 150°C (TJ)
Capacitance @ Frequency:	--
Applications:	General Purpose
Power Line Protection:	No
Power - Peak Pulse:	1500W (1.5kW)
Current - Peak Pulse (10/1000µs):	116.3A
Series:	--
Voltage - Breakdown (Min):	8.33V
Voltage - Reverse Standoff (Typ):	7.5V
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

Transient Voltage Suppression diode (TVS-Diodes) are semiconductor power components designed to protect sensitive electronics from over-voltage transients. The 1SMC7.5A TR13 is an example of such a diode, which is particularly suited for use in automotive applications. In this article, the application field and working principle of this diode will be discussed.

Application Field

The 1SMC7.5A TR13 is designed to protect equipment located in harsh environments, making it suitable for use in automotive applications. It is particularly suited for the automotive ignition and switching systems, as it offers improved robustness and can withstand high switching surges. It also features an improved reverse stand-off voltage, which allows it to better withstand voltage spikes. It is also suitable for use in various other types of automotive applications, such as battery switches and ignition systems. The 1SMC7.5A TR13 is also suitable for use in industrial applications, such as industrial power supplies, industrial sensors, and even in LED lighting applications. It can also be used in consumer electronic applications, where it provides reliable protection for sensitive electronic components.

Working Principle

The 1SMC7.5A TR13 works by using a special diode structure which implements a high conducting PN junction. This structure ensures that, when the voltage on either end of the 1SMC7.5A TR13 exceeds certain levels, the PN junction becomes open, allowing the flow of current from the positive to the negative terminal. This effectively clamps the voltage, thus dissipating the excess energy, and preventing it from damaging the sensitive electronic components. The 1SMC7.5A TR13 also features several other characteristics, which make it particularly effective in its application. Firstly, it has an extremely fast switch time of less than 3 nanoseconds, making it suitable for high speed systems. It also has a low clamping voltage, which ensures that it only clamps the excess voltage, and not the regular operating voltage. Lastly, it has a high peak power dissipation, meaning it can handle much higher levels of peak energy than other similar devices.

Conclusion

In conclusion, the 1SMC7.5A TR13 is an ideal diode for protecting sensitive electronic components from over-voltage transients. The diode has a low clamping voltage, and a fast switching time, meaning it is suitable for many different applications, including those in automotive, industrial, and consumer electronics. It features several other characteristics which make it particularly effective, such as a high peak power dissipation, making it ideal for high voltage applications.

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