SMDA15C-7E3/TR7 Circuit Protection

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Transient Voltage Suppressors (TVS) are specifically designed to protect vulnerable electronic circuits from damaging electrical transients. They are commonly used in consumer electronics, automotive, industrial and aerospace applications.

The SMDA15C-7E3/TR7 is a unidirectional (uni-polar) type Transient Voltage Suppressor diode. It is designed to protect against electrical transients of both AC and DC forms with a maximum energy dissipation of 1500W. It is offered in a through hole (TH) mount, making it ideal for applications that require multiple TVS devices.

Application Field of SMDA15C-7E3/TR7

The SMDA15C-7E3/TR7 is designed to protect vulnerable electronic circuits from electrical transients caused by lightning strikes, electrostatic discharges, reverse voltage protection, or accidental short circuit conditions. It is ideal for applications in the Aerospace, Automotive, Industrial, and Consumer Electronics industries.

The SMDA15C-7E3/TR7 is commonly used in high voltage Auto Diagnostic Modules, Power Supply Units, Automotive Electronics, LCD screens, LED lighting systems, and communications equipment. Its high surge capacity also makes it suitable for use in impulse voltage and surge suppression circuits.

Working Principle of SMDA15C-7E3/TR7

The SMDA15C-7E3/TR7 is a voltage regulating diode. It works by diverting transient voltages away from the vulnerable circuit components. It achieves this by diverting electrical energy away from the vulnerable circuit components and dissipating it as heat.

When a transient voltage is applied to the SMDA15C-7E3/TR7, the diode functions as an avalanche diode, allowing current to flow in the reverse direction. This results in a voltage drop across the diode, reducing the voltage of the transient to a safe level. The diode then dissipates this excess energy as heat, thus protecting vulnerable components from potential damage.

The SMDA15C-7E3/TR7 can handle transient voltages with peak pulse power up to 1500W, making it suitable for use in transient voltage suppression circuits. The device is also constructed from a rugged resin package, making it resistant to vibration and shocks.

Conclusion

The SMDA15C-7E3/TR7 is a unidirectional (uni-polar) TVS diode. It is designed to protect against electrical transients of both AC and DC forms with a maximum energy dissipation of 1500W. It is designed for use in Aerospace, Automotive, Industrial and Consumer Electronics applications. It works by diverting transient voltages away from vulnerable components and features a rugged resin package and high surge capacity to ensure reliable operation.

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