1.5SMC13A-E3/9AT

Voltage - Clamping (Max) @ Ipp:	18.2V
Supplier Device Package:	DO-214AB (SMCJ)
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):	82.4A
Series:	1.5SMC, TransZorb®
Voltage - Breakdown (Min):	12.4V
Voltage - Reverse Standoff (Typ):	11.1V
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

1. 1.5SMC13A-E3/9AT Application Field and Working Principle

TVS - Diodes, also known as transil diodes, are a class of solid-state devices which offer surge protection for sensitive semiconductor devices. TVS Diodes are typically found in automotive electronics, telecom, and consumer electronics products.The primary function of a TVS Diode is to protect sensitive electronic circuits from excessive transient electrical surge voltages. It does this by providing a low-impedance path to ground when it senses an over-voltage situation. This prevents the over-voltage from damaging any sensitive electronic components in the circuit.In terms of application, the 1.5SMC13A-E3/9AT is a three-terminal Transil diode with a low reverse-loop leakage current. It has a low clamping voltage and is best suited for general-purpose circuit protection in automotive, communications, and consumer products. It is also used for a wide range of applications including power supplies, power converters, motor controllers, and data communication Li-ion battery protection.The 1.5SMC13A-E3/9AT is a three-terminal Bi-Polar Transil Diode with a maximum peak pulse current of 290A. It has an inductance of 3.5nH, a capacitance of 15pF, and a resistance of 8mOhms. It has a maximum peak reverse voltage of 150V and a maximum storage temperature of 125 degrees Celsius.The working principle of a TVS Diode is fairly simple. When an over-voltage condition is detected, a low-impedance path to ground is provided. This is usually done by a protection diode or a zener diode. The protection diode acts like a short circuit and diverts the surge voltage away from sensitive electronic components. Zener diodes, on the other hand, act like resistors and limit the voltage to a specific value.When the surge voltage exceeds the value of the protection diode or the zener diode, the TVS Diode is triggered and conducts the surge voltage away from the protected circuit. This is done by using a zener diode or a protection diode in series which is connected to ground. This ensures that the surge voltage is diverted away and does not reach the protected circuit.The 1.5SMC13A-E3/9AT is primarily intended for use in general-purpose circuit protection applications. It has a clamping voltage of 8V and has a reverse peak voltage of 120V. It is ETL, UL, and CSA certified and is proven to be reliable and efficient in providing surge protection for sensitive electronic components.In conclusion, TVS Diodes are a class of solid-state devices which offer surge protection for sensitive semiconductor devices. The 1.5SMC13A-E3/9AT is a three-terminal Transil diode with a low reverse-loop leakage current and is best suited for general-purpose circuit protection. Its primary function is to provide a low-impedance path to ground when it senses an over-voltage situation. It is ETL, UL, and CSA certified and is proven to be reliable and efficient in providing surge protection for sensitive electronic components.

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