SMDA12CE3/TR7

Current - Peak Pulse (10/1000µs):	5A (8/20µs)
Base Part Number:	SMDA
Supplier Device Package:	8-SO
Package / Case:	8-SOIC (0.154", 3.90mm Width)
Mounting Type:	Surface Mount
Operating Temperature:	-55°C ~ 150°C (TJ)
Capacitance @ Frequency:	95pF @ 1MHz
Applications:	General Purpose
Power Line Protection:	No
Power - Peak Pulse:	300W
Series:	TVSarray™
Voltage - Clamping (Max) @ Ipp:	19V
Voltage - Breakdown (Min):	13.3V
Voltage - Reverse Standoff (Typ):	12V
Bidirectional Channels:	4
Type:	Zener
Moisture Sensitivity Level (MSL):	--
Part Status:	Discontinued at Digi-Key
Lead Free Status / RoHS Status:	--
Packaging:	Tape & Reel (TR)

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SMDA12CE3/TR7 is a type of TVS diode designed to protect vulnerable electronic circuits from being damaged by induced voltage spikes. The SMDA12CE3/TR7 is specifically designed to protect high-Speed data interfaces from Electro-Static Discharge (ESD).In this application, the TVS diode works by clamping undesirable voltages by using the reverse breakdown voltage of the diode. The reverse breakdown voltage of the diode is the point at which the diode will become conducting with a reverse bias applied. The breakdown voltage of a diode can be specified in the datasheet of the device.When the input voltage of the system exceeds the reverse breakdown voltage of the diode, the diode will start to conduct and provide a low resistance path for the current. In this way, the current will be diverted away from the protected circuit and the input voltage will be clamped down to the breakdown voltage of the diode.For SMDA12CE3/TR7, the reverse breakdown voltage is 12V and the device can handle a maximum surge current of 500 Amps. It is also designed to meet stringent ESD standards, with an ESD withstanding voltage of up to 15kV for air and up to 8kV for contact discharge.The SMDA12CE3/TR7 also comes with a built-in thermal protection feature, which protects the diode from overheating due to continuous current flow through the device. The thermal protection feature will activate when the operating temperature of the diode exceeds its specified limit and will reduce the current flow through the diode to prevent damaging effects from occurring.The SMDA12CE3/TR7 is also available in an SMDA12CLE3 variant, which is designed for applications requiring lower clamping voltage. This variant has an adjustable voltage trimming pin, which allows the user to adjust the voltage clamping range to match the specific requirements of the application.The SMDA12CE3/TR7 is widely used in industrial, automotive, consumer electronics, and other applications requiring reliable protection from voltage spikes. It is also used in high-speed data interface applications to protect against ESD events.In conclusion, the SMDA12CE3/TR7 is an effective TVS diode that provides reliable protection against voltage spikes and ESD. It is a versatile device that is widely used across a variety of applications. The reverse breakdown voltage of the device, adjustable voltage trimming feature, and built-in thermal protection feature make the device a reliable solution for protecting vulnerable circuits in various applications.

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