SMCJ120A

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

SMCJ120A - TVS - Diodes

SMCJ120A TVS (Transient Voltage Suppressor) diodes are a type of protection device designed to limit transient overvoltages, such as induced on the line due to inductive and capacitive loads or surge caused by lightning strikes or electrical transients.

SMCJ120A TVS diodes feature a low capacitance design, making them ideal for use in consumer electronics, automotive, industrial and telecommunications applications. They are designed to protect sensitive electronics from a variety of electrical transients.

The SMJ120A is a 5.5 volt device with a unidirectional voltage clamping action. The device is designed to clamp transients to a low voltage level, providing a back up to other protective components such as varistors, active circuits and MLVs (Multi Layer Varistors).

Application Areas

• Data/signal line protection
• ESD/lightning-strike protection
• Equipment protection
• Lighting
• Telecom equipment protection
• Automotive protection
• Switch-mode power supplies
• Consumer electronics protection

Working Principle

The working principle behind SMCJ120A TVS diodes is simple. When a transient voltage arrives at the device, the resulting current is limited by the SMCJ120A’s internal low-impedance construction. This allows the voltage to be clamped to prevent it from damaging sensitive electronics.

The SMCJ120A’s clamping voltage is relatively low, compared to that of similar devices, allowing it to provide more effective protection for electronic components, while still providing a low operational voltage.

The SMCJ120A also offers an extremely low capacitance, compared to other devices, which helps to reduce disruption in signal channels. This makes the SMCJ120A ideal for protecting data and signal lines.

The SMCJ120A is designed to *self-restore* after clamping transients, allowing it to be used multiple times, if needed. Its low breakdown voltage, high surge capability, and low capacitance make it ideal for use in sensitive applications.

Conclusion

The SMCJ120A TVS diode is an effective way to protect sensitive electronic components from electrical transients, surges and lightning strikes. Its low voltage clamping, low capacitance, and low breakdown voltage make it ideal for data/signal line protection, ESD/lightning-strike protection, equipment protection, lighting, telecom equipment protection, switch-mode power supplies, and consumer electronics protection.

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