SMLJ70AE3/TR13

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TVS-diodes are components that are used in electronic circuit designs in order to protect against electrostatic discharges (ESD) or voltage transients. The SMLJ70AE3/TR13 (commonly known as the 70AE3) is a particular type of TVS-diode designed to provide overvoltage protection in a wide range of applications, from consumer electronics and white goods to automotive electronics. Its unique design enables it to handle a wide input voltage range of up to 44V while providing low leakage current, low clamping voltage, high surge capability, and excellent ESD protection.

The 70AE3 is made from a combination of silicon geometries and diode structures. This combination, known as a Zener breakdown silicon junction, ensures that the 70AE3 can provide Protection Against Heavy Transient Pulses (PATP) over a wide range of operating conditions. This makes it an ideal choice for applications where a wide range of operating conditions might be encountered. It is also particularly suitable for automotive electronics applications where it is often used to protect against extremely high transient voltage spikes from lightning strikes.

The 70AE3\'s working principle is based on a Zener breakdown silicon junction, which enables the diode to clamp incoming input voltages when they exceed the specified limit. When a voltage pulse is received that is higher than the allowed operating maximum, the junction will quickly clamp the voltage to a lower value; in this way the junction can protect electronic components from damage due to overvoltage conditions. Additionally, the 70AE3 offers very low junction capacitance and fast response times to ensure optimal protection against Patterned Transient Pulse (PTP) events.

The 70AE3 is suitable for a wide range of applications, including automotive electronics, LED displays, cell phones, white goods, computers, and others. It offers excellent performance characteristics such as low capacitance, fast response time, low leakage current, and high surge capability, making it an ideal choice for a variety of applications. In addition, the 70AE3\'s low profile makes it ideal for space-constrained applications.

In conclusion, the SMLJ70AE3/TR13 is an excellent choice for applications that require overvoltage protection, and it is ideal for a variety of applications ranging from consumer electronics to automotive electronics. Its combination of low leakage current, low capacitance, fast response times, and high surge capability make it a great choice for engineers who need reliable, consistent protection against transient voltage spikes and ESD events.

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