SMAJ33CA-TR

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The SMAJ33CA-TR is an unidirectional TVS diode, part of Littelfuse’s Transient Voltage Suppression (TVS) diode product line. This device is designed to protect sensitive electronics from voltage transients induced by lightning and other transient voltage events such as system loading, motor starting, and switching inductive loads.

To be more specific, SMAJ33CA-TR is designed to protect two lines from transients occurring between -50V and +8kV, with a working voltage of 33V and a peak stand-off voltage of 39V. It provides a response time of less than one nanosecond, meaning the device responds very quickly to sudden changes in voltage. The holding time of the device is 20 nanoseconds, which means the device can handle a short-duration surge without resetting.

The SMAJ33CA-TR application field includes systems with high-speed communication ports, data and telecom lines, consumer electronics, computers and peripherals, automotive electronics, industrial applications, and more. The working principle of the SMAJ33CA-TR is that it senses the presence of overvoltage conditions and, upon detection, it clamps the voltage between the two metal-oxide varistors (MOVs) of the device.

The SMAJ33CA-TR is then able to limit overvoltage to its working voltage, without sacrificing normal working voltages. This diode is also capable of absorbing large amounts of power, dissipating them, and thus keeping the protected electronics and lines safe from any transients encountered. Furthermore, thanks to its small size, the device is easy to integrate and is ideal for space-constrained applications.

The SMAJ33CA-TR allows designers to build dependable transient protection for various types of applications, with just one SMAJxxCA-TR component. It also features an ambient temperature range of -55 to +125°C, a low leakage current, and a wide clamping voltage range.

In conclusion, the SMAJ33CA-TR is an excellent diode for protecting circuits against unexpected voltage transients and providing fast response times. It is especially suitable for a range of applications, including high-speed communication ports, consumer electronics, data and telecom lines, industrial applications, and more.

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