1.5KE39A-B

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TVS-Diodes are an important type of semiconductor devices and have numerous application fields and working principles. A TVS-Diode, or transient-voltage suppressor-diode, is an electronic component consisting of a diode and a resistor connected in series. It is designed to protect sensitive electronic circuitry from high voltages or surges such as electrical transients.The 1.5KE39A-B is a TVS-Diode specifically designed to protect automobile electronics against the high voltage and current fluctuations generated by the starter, airbag, and other automotive loads. It has a peak pulse power rating of 5900 W, a breakdown voltage of 41 V, and a peak pulse current rating of 40 A.

When the voltage or current exceeds a predetermined value, usually referred to as the breakdown voltage, the TVS-Diode will quickly respond and clamp the voltage to a predetermined level. This clamped voltage, which is referred to as the breakdown voltages, protects the sensitive circuitry from possible damage or destruction. This type of diode is most commonly used in applications that require protection from high voltage transients and surges, including circuit protection for communications equipment, automotive electronics, and consumer electronics.

The diode is also an efficient way to protect circuits from over-voltage, over-current, and over-power situations. The 1.5KE39A-B TVS-Diode has two pins and is constructed with a ceramic body, which gives it excellent high-temperature and moisture resistant characteristics. The diode has a working temperature range of -55 to +125 ℃, and its peak pulse power rating and peak pulse current rating makes it suitable for a wide variety of automotive applications.

When installed correctly, the TVS-Diode serves as a low resistance pass-through for normal voltage levels while blocking voltage transients. In normal operation, the diode will pass through low-level currents with minimal voltage drop. However, when the voltage rises above the threshold, the diode will switch on and become a low resistance protection device. This clamping action will absorb the extra energy and reduce the voltage to a safe level for the protected equipment.

The 1.5KE39A-B TVS-Diode is an ideal solution for protecting automobile and consumer electronics against voltage and current surges and transients. It has a low breakdown voltage, a high peak power rating, and is highly reliable. It is also an efficient design with minimal power loss, making it an ideal choice for automotive circuit protection applications.

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