MAP4KE12CA

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TVS (Transient Voltage Suppressor) diodes provide a critical safeguard against high voltage and current transients, assisting components to perform their normal operations. The MAP4KE12CA is one such device and provides an industry standard for prevention of electrical surges brought on in various environments such as military, automotive, and industrial applications. This article will provide an overview of the MAP4KE12CA’s application field and working principle.

The MAP4KE12CA is a 12-Volt uni-directional TVS diode produced by Littelfuse. The component is designed to protect voltage circuits from damaging transient surges. The unit is capable of issuing a breakdown voltage of 12 V (max) with its peak pulse current rating of 31.5 A. With its low operating voltage, the diode remains in its non-conducting state for normal circuits but opens immediately to protect from a high-voltage surge. Also, the diode provides excellent clamping action which helps decrease voltage transients below the surge immunity limit.

The TVS diode is designed to perform at a wide range of operating temperatures. This versatility and impressive line of features make the MAP4KE12CA an ideal choice for the aforementioned applications. In addition, the device offers a fast response time and surge life-time ratings up to 1000 surges for greater protection.

The MAP4KE12CA utilizes a simple working principle: when the voltage level on the TVS diode’s cathode is higher than on its anode, a current can pass through. This is due to the fact that the diode acts like a resistor when it is subjected to an electrical surge. This current is then passed through the diode, thus providing protection against the high voltage or current. The diode will remain in the non-conducting state until the voltage exceeds the designated breakdown voltage. At this point, the diode will switch on and provide a reverse breakdown current of up to 31.5A.

The MAP4KE12CA is an affordable and highly efficient solution for prevention of transient surges in a variety of applications. Its optimized design and broad voltage range provide an ideal combination in protecting electrical circuits from voltage surge-related damage. The diode’s world-class levels of performance and reliability make it a top choice for protecting components in industrial, military, automotive and consumer electronic applications.

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