SM15T12CAHE3/9AT Circuit Protection

Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us:   sales@allicdata.com

TVS (Transient Voltage Suppressor) diodes are a type of semiconductor component meant to protect electronics from voltage spikes. The SM15T12CAHE3/9AT is an advanced silicon-based TVS diode that serves as a transient voltage spike protector for automotive electronics. It is specifically designed from its internal breakdown characteristics to protect against the long duration, high amplitude electromagnetic pulses (EMPs) generated by threats like nuclear detonations, lightning strikes, and solar flares.

The SM15T12CAHE3/9AT is an unidirectional diode, meaning that it only allows current to flow in one direction. The body of the diode is made up of two PN-junction diodes that are connected parallel to each other to increase the voltage-carrying capacity. The maximum allowed power rating of the diode is 50 watts, and it has a peak pulse power of 1,500 watts. The breakdown voltage rating is 12 volts, with a maximum clamping voltage of 16.3 volts.

The primary function of the SM15T12CAHE3/9AT is to protect against the effects of high-voltage, short duration voltage spikes. When current is induced in the diode, the two PN-junction diodes work together to communicate the voltage surge back to the source and then cut it off. This prevents the short-duration voltage spike from passing through the diode, thereby saving attached components from damage. This type of protection is important for automotive electronics, since the high level of power, the complexity of automotive wiring, and the likelihood of voltage spikes create a potentially hazardous situation.

The SM15T12CAHE3/9AT is already being used in a variety of automotive applications. It is most commonly deployed as a secondary protection device on different circuits like lighting, engine control, and climate control. The diode is also used to protect components that are attached to high power circuits, such as fuel injectors and electronic throttle actuators. The diode is also used in automotive powertrains to protect the drivetrain from potential damage due to voltage spikes.

The SM15T12CAHE3/9AT diode offers a reliable and cost-effective solution for protecting automotive electronics from transient voltage spikes. Its robust design and the fact that it is made with automotive-grade components make it an ideal option for protecting expensive components from destructive high-voltage spikes. As more vehicles become increasingly reliant on complex electronic systems, the SM15T12CAHE3/9AT diode will become even more important for safeguarding against future surges.

The specific data is subject to PDF, and the above content is for reference