SD12.TCT

Voltage - Clamping (Max) @ Ipp:	25V
Supplier Device Package:	SOD-323
Package / Case:	SC-76, SOD-323
Mounting Type:	Surface Mount
Operating Temperature:	-55°C ~ 125°C (TJ)
Capacitance @ Frequency:	150pF @ 1MHz
Applications:	General Purpose
Power Line Protection:	No
Power - Peak Pulse:	350W
Current - Peak Pulse (10/1000µs):	15A (8/20µs)
Series:	--
Voltage - Breakdown (Min):	13.3V
Voltage - Reverse Standoff (Typ):	12V (Max)
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: SD12.TCT Application Field and Working Principle

TVS - Diodes（Transient Voltage Suppressors）is a very important type of component widely used in many applications. A common example of TVS-diodes is the SD12.TCT, which is a 12-volt Uni-Directional Transient Voltage Suppressor (TVS) for surface mount applications. This article will explain the SD12.TCT application field and its working principle.First, let’s discuss the application field of the SD12.TCT. Basically, the SD12.TCT is designed for a wide variety of applications, such as electronic control unit (ECU), automotive electronics, electronic assemblies, communications systems, and more. It is specifically designed for applications where low capacitance, high surge absorption, and low junction capacitance are required. Moreover, it is designed specifically to protect sensitive circuitry against damaging voltages from electrical transients.The working principle of the SD12.TCT is relatively simple. It has two modes of operation – the normal and the clamp mode. In the normal mode, the SD12.TCT operates like a forward-biased diode, allowing current to pass through it in the forward direction. When the input voltage rises above a predetermined level, the SD12.TCT enters its clamp mode and starts to limit the voltage to a predetermined level. The clamping voltage of the SD12.TCT is based on the specific value of its junction capacitance. Now let’s look at the specific features of the SD12.TCT. This chip has an on-state voltage drop of 0.87V, a clamping voltage of 12V, and a peak pulse power rating of 600W. It also has a low capacitance of 0.57pF at 400V. It is able to absorb up to 15A of peak current and has an average leakage current of 0.1mA. Its capacitance option ranges from 0.3pF to 0.7pF. Finally, the SD12.TCT is made using the latest technology and comes in standard EIA (0402, 0603, 0805, 1206, and so on) package size, making it very easy to integrate into a wide variety of applications. It is able to operate under temperatures ranging from -55°C to 125°C and has a high insulation resistance of 10Gohm to ground.In conclusion, the SD12.TCT is an extremely reliable and efficient chip that is used in many different applications. It is designed with the latest technology and features a wide range of capabilities, making it one of the most widely used TVS-diodes available.

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