SM4T15CAY

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

Transient Voltage Suppressor (TVS) diodes are highly reliable components and essential to protect any kind of electronic circuit against voltage spikes and transients. SM4T15CAY is a transient voltage suppressor (TVS) diode designed by NXP®, specifically for reaction to high-speed differential signals up to 15 kV/μs and transport up to 15 kV of surge.

This SM4T15CAY diode is housed in a 4mm wide, lead less SMF package which allows to minimize the circuit board space in areas such as power management modules, automotive solenoids, and computer communication interfaces. It is constructed of a Zener diode type junction with a termination to prevent thermal runaway. It has cathode on the exterior and anode on the interior.

The purpose of this device is to protect semiconductor components from the destructive effects of transients. It works by reducing the peak of the transient voltage to a safe operating level. When its breakdown voltage is exceeded, it is designed to conduct the transient to a low-impedance path to ground. As an added bonus, these devices are highly reliable and generate very little heat, contributing to their reliability.

The working principle of the SM4T15CAY is as follows: When a transient signal is applied to the diode, the current flows through and charges the junction capacitance and is clamped to the breakdown voltage of the diode. The higher the applied voltage, the greater the energy that is dissipated in the diode junction. This energy is then dissipated in the form of a short break in the current flow. The higher the clamp voltage, the more power is released and the shorter the break in the current flow.

The SM4T15CAY application field includes automotive applications, relay boards, power supplies, motor drives and control modules. It can also be used in protection circuits to reduce the impacts of surge and transient voltages when experiencing complex environmental conditions. The device is RoHS compliant and requires no external components for operation.

In conclusion, the SM4T15CAY Transient Voltage Suppressor (TVS) diode is a robust, reliable and cost-effective protection solution for semiconductor components from the detrimental effects of dangerous voltage transients. Its wide application field and low power dissipation make it ideal for protecting numerous electronic components.

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