1.5KE43CA Circuit Protection

Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us:   sales@allicdata.com

TVS (Transient Voltage Suppressors) diodes are devices that protect sensitive electronic equipment from voltage and current transients from external or internal sources, such as electrostatic discharge (ESD), electrical fast transients (EFT), surges, and lightning strikes. The 1.5KE43CA is one such TVS diode that has a wide application field and a respected working principle.

The 1.5KE43CA is designed to protect sensitive electronic circuitry from high-energy spikes such as electrostatic discharge or ESD, electrical fast transients or EFT, surges, or lightning strikes. It is also often used to protect automotive and industrial control circuits from electrostatic discharge and high voltage transients. It is equipped with a peak pulse power of 400 W, and a junction-to-ambient thermal resistance of 1.9 °C/W. It is a unidirectional diode, meaning that it only allows current to flow in one direction.

In its basic form, the 1.5KE43CA is a bidirectional TVS diode that uses avalanche breakdown to protect against ESD impulses and surge noise in applications that require up to 20 V referenced to ground. It is constructed of silicon and incorporates an oxide passivation layer and a surface-mount package. The device typically operates in a breakdown voltage range of 18 V with a maximum peak surge power rating up to 400 W. It also has good linearity and has a low capacitance, making it an ideal choice for high-speed, low-power applications.

Despite its relatively small size, the 1.5KE43CA delivers significant performance in the market. The most distinguishing feature of the device is its fast response time: only 1.9 ns – much faster than the average diode – meaning it can protect circuitry in a fraction of the time. The device’s capability to clamp voltage transients also has been praised, as has its very low clamping voltage, which keeps the voltage across a protected component low enough to prevent it from being damaged.

The 1.5KE43CA is designed to handle a wide range of applications, from automotive, telecom, and medical equipment, to consumer electronics and military systems. The device\'s technical features and parameters, such as its small, power-saving package, its fast response time, and its large down-hole creepage distance, have made it an especially popular choice for microcontrollers, and automotive and avionic electronics.

The 1.5KE43CA is fast becoming a standard for protection against ESD, EFT, and signal surge noise. Its working principle, bidirectional avalanche breakdown, can protect circuits in high-speed, low-voltage applications. This fast-acting diode can clamp voltage transients efficiently and quickly to prevent damage to electronic components and can also be used to accommodate up to 20v applications. Coupled with the device\'s good linearity and its impressive peak pulse current rating, the 1.5KE43CA is a powerful device with a respected working principle and a broad application field.

The specific data is subject to PDF, and the above content is for reference