SMLJ90CA

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A TVS - diode is a device which provides protection for electronic systems and supplies from electrical transients. They are commonly used in automotive applications, industrial control systems, telecommunications systems, and other sensitive electronic devices. This article will discuss the application field and working principle of the SMLJ90CA TVS - diode.

The SMLJ90CA is a bi-directional silicon transient voltage suppression diode designed for ESD and surge protection. It is mainly used in applications such as lightning protection, consumer electronics, and automotive EMI/EMC devices. The device is characterized to provide a very fast response and low clamping voltage.

The SMLJ90CA offers excellent ESD protection, with a maximum applicable ESD pulse current of 4.5 kA (0.5/8 µs). The operating junction temperature range is -55 to 125°C, and the storage temperature range is -55 to 150°C. It features a non-linear working principle, meaning that the voltage clamps at a maximum value when an over-voltage transient occurs. This is the fixed clamping voltage of the device, which is 7.5 V.

The SMLJ90CA is available in two package formats: a two-lead DO-201 package or a four-lead SMD package. Both packages are designed to simplify board layout and reduce the amount of external components. The device can handle over-voltage transients with peak pulse power ratings up to 400W, making it suitable for applications that require high-power protection.

The SMLJ90CA has a very fast response time, typically less than 1 ns. This means that the device can effectively protect the system in the event of an over-voltage transient. Additionally, the device features a low leakage current, typically less than 1 nA, which helps ensure that the device\'s performance will not be affected by background noise. The device also has high surge capability and excellent clamping capability, making it an ideal choice for EMI/EMC and lightning protection applications.

The SMLJ90CA TVS - diode offers a very versatile solution for high-power transient protection. It is designed to provide reliable, fast, and low clamping voltage protection. The device is available in two package formats, and comes with excellent ESD and surge protection ratings. Additionally, the device has a very fast response time and low leakage current, making it a good choice for sensitive electronic systems.

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