SMAJ14CAHE3/5A

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TVS (transient voltage suppressor) diodes is a kind of device designed to protect electronic devices from the transient voltage surges. In most cases, such devices are used to protect against ESD (electrostatic discharge), which can damage or destroy electronic devices. TVS diodes are also known as spike suppressors or clamping diodes. The SMAJ14CAHE3/5A is one such diode, and is used in a wide variety of applications in both consumer and industrial applications. In this article, we will discuss the application field and working principle of the SMAJ14CAHE3/5A.

The SMAJ14CAHE3/5A is an unidirectional silicon avalanche diode. It is designed to protect equipment from the transients generated by high energy, short duration power spikes and is suitable for use in a variety of situations, such as in consumer electronics, industrial equipment, medical equipment, and communication equipment.

When used in consumer electronics, the diode is typically used to protect against electrostatic discharge that can occur when someone touches a device, such as a TV remote or a laptop\'s power cord. The diode is also used in industrial equipment to protect against power surges, such as those caused by overloads or lightning strikes. In medical equipment, it is used to protect delicate electronics from potentially dangerous surges, such as those caused by cardiac defibrillators. And in communication equipment, it serves to protect against potentially damaging power spikes that can occur when a microwave antenna is switched off, or when there are sudden changes in data flow.

The SMAJ14CAHE3/5A diode works by providing a clamping voltage that suppresses the transient voltage before it can damage the electronics. This is done by using a zener diode in parallel with a normal diode connected back to back, forming a symmetrical bridge. When a surge of energy occurs, the zener diode becomes forward biased and conducts current until the voltage across it reaches its peak rating. This limits the voltage that can pass through the device, preventing damage to the connected electronics.

The SMAJ14CAHE3/5A diode also features low reverse leakage current, low reverse recovery time, and high surge capability. The diode has a peak pulse surge power rating of 1,000 watts, a clamping voltage of 18 volts, a reverse voltage of 5 volts, and a reverse leakage current of 10 microamperes (10 μA). It also has a high pass-through current of 4.0 amperes (4.0 A).

The SMAJ14CAHE3/5A diode can be used with a variety of components, including resistors, capacitors, and inductors. It is available in three lead packages, and is suitable for use in DC to low frequency AC applications. In addition, the diode has a high surge pulse rating of 10,000 watts (10 kW).

The SMAJ14CAHE3/5A diode is a versatile and robust device used in a variety of applications for the protection of electronic devices from transient voltage surges. It works by clamping the voltage, limiting the amount of energy that can pass through the device, and preventing damage to the connected electronics. The diode is suitable for use in consumer electronics, industrial equipment, medical equipment, and communication equipment, and is available in three lead packages. It is also capable of withstanding high surge pulse power up to 1,000 watts, and is suitable for use in DC to low frequency AC applications.

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