5KP78AE3/TR13

TVS diodes, or Transient Voltage Suppressor diodes, are special protective components designed to safeguard electrical equipment against irreversible damage caused by fast and high voltage transients. 5KP78AE3/TR13 is a kind of TVS diodes featuring 1500W peak pulse power dissipation. This part has a Low Clamping Voltage and provides Transient Protection with excellent surge capability and clamping performance.

The 5KP78AE3/TR13 has a wide variety of applications, such as sealing off voltage regulator oscillators, relays, etc. In addition to protecting automotive equipment, they can also be used to protect sensitive digital circuits like microcontrollers, and even components requiring lower voltage such as Gate-Turn-Off Thyristors (GTOs). 5KP78AE3/TR13 is also a popular choice for AC line filter, common-mode choke, shield, Audio amplifier protection, etc.

The 5KP78AE3/TR13 has two terminals, an Anode and a Cathode. The Anode is the positive voltage while the Cathode is the negative voltage. When the voltage between the Anode and Cathode is positive, the diode will be reverse-biased and perform as an open circuit. When the voltage between the Anode and Cathode is negative, the diode will then be forward-biased and conduct electricity with the electrons flowing from the Cathode to the Anode. This is done to control and limit the current flow in the circuit.

In the event of a transient overvoltage, the 5KP78AE3/TR13 will activate its protective functions and limit the voltage across the device, protecting the delicate components from damage. This is done by the diode’s high peak pulse power dissipation or stored-energy capacity, which enables it to absorb and dissipate energy caused by voltage transients. In a sense, it is the first line of defense when voltages rise quickly, before they reach other sensitive components like integrated circuits.

5KP78AE3/TR13 can also be used as a protector of AC lines because of its excellent surge capability and clamping performance. It helps to suppress harmful voltage spikes to protect equipment and reduce electromagnetic interference in AC lines. It also helps reduce the voltage around the power lines, aiding in the prevention of electrical shock.

In conclusion, the 5KP78AE3/TR13 is an essential part of any electrical circuit, providing protection against voltage transients without failing. It is a versatile component and can be used in a variety of applications, from protecting automotive equipment to shielding audio amplifiers. Its excellent performance is due to its low clamping voltage and high peak pulse power dissipation, capable of absorbing and dissipating energy caused by voltage transients, and reducing electromagnetic interference in AC lines.