MAP4KE30CA

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TVS (transient voltage suppressor) diodes are components that help protect electronic circuits from undesirable voltage levels, most notably electrostatic discharge (ESD) events. The MAP4KE30CA is a high- performance TVS diode optimized for a variety of applications, including general ESD protection, as well as EMI, surge, and lightning protection. This article will explain the application field and working principle of the MAP4KE30CA.

The MAP4KE30CA is designed for applications requiring an IEC 61000-4-2 ESD clamping solution. It can effectively clamp transient levels as low as 5V, allowing it to protect sensitive IC components from IEC 61000-4-2 ESD events at up to 15 kV contact discharge. The diode has a peak power rating of 25W, so it can handle ESD/surge events as fast as 4kV/μs.

The diode is also suitable for EMI and lightning protection applications. It has good EMI shielding, with an insertion loss of up to 130 db at up to 10 GHz, allowing it to suppress RF signals in the 2-20 GHz range. The diode can also block pulses up to 4500A at 8/20μs, allowing it to provide effective protection against lightning strikes.

The MAP4KE30CA has a low capacitance of 12pF, making it ideal for use in high-speed applications. It also has low leakage current and low clamping voltage, ensuring that it won’t disrupt signals in sensitive circuits. The diode also has a wide operating temperature range of -55°C to +150°C, allowing it to be used in a variety of environmental conditions.

The MAP4KE30CA works by providing a low-resistance path to ground for any unexpected transient voltages. This creates a shunt between the threat and the load, allowing the current to safely flow to ground. The diode also suppresses high-frequency signals, which is important in EMI/lightning protection applications.

In summary, the MAP4KE30CA is a high-performance TVS diode optimized for a variety of applications, including ESD, EMI, surge, and lightning protection. It has a low capacitance and low leakage current, as well as a wide operating temperature range. The diode works by clamping transient voltages and suppressing high-frequency signals.

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