MA1.5KE47A

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A transient voltage suppressor (TVS) diode is an electrical component designed to protect against voltage spikes. Commonly used in both consumer electronics and industrial equipment, TVS diodes absorb and disperse the extra energy until the peak voltage subsides. Among the many types of TVS diodes is the MA1.5KE47A, a unidirectional diode specifically designed to protect sensitive semiconductors from high-powered surges.

The MA1.5KE47A is rated for a working voltage of up to 1.5 kV and a stand-off voltage of 5.8 kV. This makes it suitable for applications requiring both low voltage and relatively high voltage protection. The diode has a voltage temperature coefficient of 5V/°C, meaning it can adjust to a wide range of temperatures, and a clamping current of 47A for up to 10/1000 microseconds.

Radio-frequency interference (RFI) emitted from a system is typically the result of electrical spikes introduced into a circuit. The MA1.5KE47A can be used to combat the effects of such interference in both consumer and automotive electronics, enabling both the prevention of device damages and of data losses. This also makes the diode suitable for a variety of other applications, including:

• AC power line protection
• Data communication systems
• Lighting systems
• Portable electronic devices
• Telephone systems
• RES signal lines
• Computer peripherals

The working principle of the MA1.5KE47A is quite simple. When a surge higher than the 5.8 kV stand-off voltage is introduced into the diode, it acts as a clamping element, absorbing the extra energy and gradually dissipating until the voltage falls back below the stand-off voltage. This process helps to protect sensitive semiconductors from potential damage.

The MA1.5KE47A is a popular choice for protecting both consumer electronics and industrial equipment against voltage spikes. Its ability to withstand high temperatures, low working voltage, and high-power surges makes it a reliable and an effective TVS diode. As such, it has become a valuable component in many systems, including those used in a variety of consumer, automotive, and industrial applications.

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