3.0SMCJ14ATR

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TVS - Diodes are designed to protect sensitive electronic components and circuits from electrical overstress (EOS) such as lightning, electrostatic discharge (ESD) or any other surge. The 3.0SMCJ14ATR is a unidirectional, Axial Leaded variant of the Transient Voltage Suppression Diode offering a wide range of Voltages starting at 14V up to 1500V. It is used to provide another level of protection to installed systems and can be used in different ways to ensure the safety of your applications.

3.0SMCJ14ATR Application Field

The 3.0SMCJ14ATR is typically used in automobiles, power supplies, specialized communication equipment, cellular phone battery batteries, flat panel display and computer equipment. These devices are designed to protect your equipment from voltage spikes, surges or other destructive transients with fast response times. It is capable of handling up to 1500V, meaning it can be drastically reduce the chance of electrical failure due to these phenomena.

Additionally, these devices are provided in a rugged, standard axial lead formulation, making it suitable for use in all sorts of situations and environments. This device specifically is made of silicone, thus it is resistant to heat and higher temperatures, allowing it to remain intact under intense operating conditions. Furthermore, due to its low clamping voltage, this device successfully protects your devices from surges with a wider range of clamping voltages.

3.0SMCJ14ATR Working Principle

TVS-Diodes are based on the principle of avalanche breakdown. They are triggered by the avalanche effect that occurs when excess voltage, beyond the rated breakdown voltage level of a semi-conductor, is applied. This causes electrons to be released into the device and is strongly linked to the avalanche effect occurring in devices such as the P-N junction diode. When these devices are placed in a reverse-biased condition, as when an excessive voltage surge is applied, current rapidly increases due to the avalanche effect.

As current increases, the device then begins to prevent further current flow, limiting the magnitude of the surge or spike and acting as a shield to protect sensitive components from EOS or ESD events. Additionally, the 3.0SMCJ14ATR have a low capacitance comapred to other diode varieties, making them ideal for applications requiring a fast response, such as automotive or computer applications. It also serves to eliminate the overshoot that occurs when an EOS event is handled by a diode with a comparatively higher capacitance value.

Conclusion

The 3.0SMCJ14ATR is a robust TVS diode that offers wide range of voltages and a fast response time. Its low capacitance value and wide voltage range make it ideal for applications that require additional EOS protection or for those that require protection from voltage spikes. Furthermore, the axial lead formulation makes it suitable for a range of applications and environments, thus making it a popular choice for many system designers.

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