5KP30A-E3/73

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TVS (Transient Voltage Suppression) diodes protect electronic circuits from voltage transients in the range of 5 volts to 170 volts. A 5KP30A-E3/73 diode is ubiquitous for its robustness, small size and relative ease of use. This article explores the 5KP30A-E3/73 in detail, providing an overview of its features, application field, and working principle.

Overview of the 5KP30A-E3/73

The 5KP30A-E3/73 is a compact unidirectional transient voltage suppressor (TVS) diode that offers enhanced transient protection from 5V to 170V. This diode has a maximum clamping voltage of 30 volts, a maximum peak pulse current of 5 Ka at 8 x 20 microsecond waveform, and a breakdown voltage of 32.5 volts. The high peak pulse power dissipation rating of 600 watts makes this device suitable for a wide array of applications, particularly in automotive and industrial circuits.

This diode has an impressive surge capability while being quite inexpensive, with prices varying depending on size and quantity purchased. It is easily soldered and assembled in small electronic devices, and it has been used extensively in consumer electronics and other electrical projects. The 5KP30A-E3/73TVS diode is available in two package types, SMA and SMB. The SMA package is preferred in applications that require a higher level of transient protection, such as in automotive and industrial control systems.

Application Field of the 5KP30A-E3/73

The 5KP30A-E3/73TVS diode is found in a variety of applications, including:

• Automotive electronics, including circuit protection, load switchs, and ECU applications
• Data processing and I/O applications, such as USB ports, digital cameras, and printer circuits
• Traffic systems, including signal control boxes and vehicle detection systems
• Lighting systems, including LED lighting systems and other lighting systems
• Medical equipment, such as MRI equipment and medical imaging systems
• Industrial control systems, such as motion controllers, switchgear, and robotic arms.

Due to its small size, low cost, and surge capability, the 5KP30A-E3/73TVS diode is becoming increasingly popular in these applications. Moreover, it can be used in a wide range of configurations, including series, parallel, dual, or triple clamping, depending on the application requirements.

Working Principle of the 5KP30A-E3/73

The 5KP30A-E3/73TVS diode works by quickly clamping incoming voltage transients and limiting the current flowing through a system. This device is a bidirectional surge suppressor, meaning it can also protect against over-voltage transients, making it one of the few TVS diodes designed to handle both unidirectional and bidirectional surges. In addition, high-clamping voltage and peak surge power capabilities of the 5KP30A-E3/73TVS diode make it a suitable choice for a variety of over-voltage protection applications. As transients travel through the diode, the clamping feature takes over and diverts the current away from vulnerable components. This means that the device can help protect the surrounding components against voltage surges and power spikes.

The 5KP30A-E3/73TVS diode also incorporates a unique thermally enhanced dissipation design to ensure that the device can handle extreme temperature environments without failing. The device also includes a secondary diode to provide additional protection against reverse voltages. This diode allows electronic components to remain operational even in the event of a temporary power failure, helping to reduce any potential downtime.

Conclusion

The 5KP30A-E3/73TVS diode offers a robust and economical solution for protecting vulnerable electronic components against voltage transients. The diode is suitable for a wide range of applications, including automotive electronics, industrial control systems, medical equipment, and numerous other applications. The device is easy to integrate into a variety of systems, and it offers a high level of surge protection via its clamping feature and secondary diode.

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