SD12CT1G

Current - Peak Pulse (10/1000µs):	5A (8/20µs)
Base Part Number:	SD12CT
Supplier Device Package:	SOD-323
Package / Case:	SC-76, SOD-323
Mounting Type:	Surface Mount
Operating Temperature:	-65°C ~ 150°C (TJ)
Capacitance @ Frequency:	64pF @ 1MHz
Applications:	Automotive
Power Line Protection:	No
Power - Peak Pulse:	350W
Series:	Automotive, AEC-Q101
Voltage - Clamping (Max) @ Ipp:	19V
Voltage - Breakdown (Min):	13.3V
Voltage - Reverse Standoff (Typ):	12V (Max)
Bidirectional Channels:	1
Type:	Zener
Moisture Sensitivity Level (MSL):	--
Part Status:	Not For New Designs
Lead Free Status / RoHS Status:	--
Packaging:	Tape & Reel (TR)

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TVS - Diodes: SD12CT1G Application Field and Working Principle

The Transient Voltage Suppressor Diode (TVS) is widely used in electronics as a protective device that prevents a voltage surge from damaging sensitive equipment. It is used in a range of products including mobile phones, personal computers, automobiles, power tools and much more. The aim of this article is to provide an overview of the application fields and working principle of one specific model, the SD12CT1G.

Application Field of SD12CT1G

The SD12CT1G is a Bidirectional Transient Voltage Suppressor that is designed to protect sensitive electronics from Electro-Static Discharge (ESD) and electrical transients. It is available in a variety of sizes and shapes (SOD123, DO-214AB and SMT Pad configurations), and comes with a maximum peak pulse power handling capability of 1,200 watts for a 10/1000 μs waveform.The SD12CT1G is commonly used in a variety of applications such as consumer electronics, automotive, industrial and medical. It is particularly well-suited for use in applications that require a combination of low voltage and high transient energy requirements, as long as the required peak power handling capability does not exceed 1,200 watts.

Working Principle of SD12CT1G

The primary function of the SD12CT1G is to provide protection against voltage transients caused by Electro-Static Discharge (ESD) and other electrical events. It works by clamping off the transient voltage that is applied in excess of the specified breakdown voltage of the device. This is done by using the two parallel Zener diodes that are built into the device.When an electrical transient is detected, the SD12CT1G will limit the amount of voltage that is allowed to pass through the device so that it does not exceed the device\'s maximum breakdown voltage. At the same time, current will not flow in reverse, so the transient can be easily dissipated and the surge can be safely absorbed. This means that the connected circuit will remain safe and undamaged.

Conclusion

The SD12CT1G is a highly effective Transient Voltage Suppressor that is designed to be used in a variety of different applications. It has a peak pulse power handling capability of 1,200 watts and can provide protection from any voltage surge that is applied in excess of its specified breakdown voltage. Additionally, it has two parallel Zener diodes built in, allowing current to flow in one direction only, and providing protection from any electrical transients. By using this device, many electronic circuits can be easily and safely protected from potential damage from voltage transients.

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