SMAJ40CAHE3/61

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TVS (Transient Voltage Suppressor) diodes are a form of semiconductor devices specifically designed to protect electronic components from transients such as electrostatic discharge, lightning, and power surges. The SMAJ40CAHE3/61 is a TVS diode with a peak pulse power rating of 600W, a breakdown voltage of 61V, and a standoff voltage of 42-60V. This device is typically used in applications requiring protective solutions from lightning and power surges.

SMAJ40CAHE3/61 Application Field and Working Principle

With a 61V breakdown voltage and a maximum of 600W of pulse power rating, the SMAJ40CAHE3/61 is suitable for use in a variety of automotive environments. It can be used to protect sensitive automotive components such as ECUs (engine control units), airbag ECUs, and entertainment systems from transient overvoltage surges. In industrial environments, this device can also be used to protect personal computers, data centers, and other critical electronic systems from power surges. Furthermore, the SMAJ40CAHE3/61 can be used in consumer electronics applications that contain microprocessors and digital logic.

The primary function of a TVS diode is to act as a sacrificial element in order to safeguard other electronic components from transient conditions. When a transient voltage is applied, the diode is designed to conduct the additional current until the surge voltage decays to an accepted level. The P/N junction of the diode is specifically designed to provide a low forward bias voltage drop and an extremely low leakage current. This ensures that the TVS diode is able to respond instantaneously to transient conditions by conducting the initial surge current. After the transient condition dissipates, the diode’s low forward bias voltage drop will prevent any further current flow.

In addition, the SMAJ40CAHE3/61 has a standoff voltage of 42-60V. This feature ensures that the device can be directly mounted onto a printed circuit board (PCB) without adding any additional protection circuitry. This device also has a surge current rating of 1500A ISP, meaning that it can handle transient current surges up to 1500A. Furthermore, the SMAJ40CAHE3/61 has an operating temperature range of -55°C to 125°C, making it suitable for use in a variety of automotive, industrial, and consumer engineering applications.

The SMAJ40CAHE3/61 is a powerful, low cost TVS diode designed to provide reliable and effective protection from transients such as power surges, lightning, and electrostatic discharges. This device is capable of handling up to 1500A transient current surges and has a nominal breakdown voltage of 61V. It also features a robust operating temperature range, making it suitable for use in automotive, industrial, and consumer electronics applications. Thanks to its low forward bias voltage drop and low leakage current, the SMAJ40CAHE3/61 is able to respond virtually instantaneously to transient conditions and protect other electronic components from damage.

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