SMA5J10A-E3/61

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Transient Voltage Suppression (TVS) zener diodes are designed to protect sensitive electronics against transient voltage threats that may be caused by lightning, electrostatic discharge (ESD), and inductive switching. The SMA5J10A-E3/61 is one such example, boasting a 5mm radial lead, high surge, fast response, wide operating temperature range, and low profile. The device is a unidirectional, dual-channel, low-capacitance TVS diode array used primarily for ESD and surge protection of data and signaling lines.

Application Field

The SMA5J10A-E3/61 is optimal for ESD and surge protection in I/O ports in portable consumer electronics, such as laptops, phones, tablets, and scanners. Additionally, it can be used to protect data lines in automotive components, such as ABS sensors and CANBus lines, and it is suitable for TVS protection in industrial automation applications as well. Its low-capacitance design is optimal for high-speed bus lines, such as Ethernet and USB ports.

Working Principle

When subjected to overvoltage transients, the SMA5J10A-E3/61 works by quickly clamping the voltage to a safe level. This is due to the avalanche breakdown mechanism inherent in semiconductor junctions. The abrupt decrease in voltage from the avalanche breakdown causes a transient reduction in current across the device’s junction, protecting the end product from being damaged by too much voltage. The fast response time of the SMA5J10A-E3/61 is due in part to its dual-channel design, which limits the surge energy by providing a low-impedance designed to provide overcurrent protection. In addition, this fast response time helps mitigate further damage from the surge to the end product.

Conclusion

The SMA5J10A-E3/61 is a uniquely designed diode array TVS that offers optimal protection from voltage surges and ESD. It is well-suited for portable consumer electronics, automotive components, and industrial automation applications due to its fast response time and low-capacitance design. Its dual-channel design helps protect end products from overvoltage transients by quickly clamping the voltage to a safe level. In short, the SMA5J10A-E3/61 is an excellent choice for protecting sensitive electronics from voltage surges and ESD events.

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