SMDJ24A-T7

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TVS - Diodes

Transient Voltage Suppressor Diodes (TVSs) are diodes used to protect electronic circuits, also known as Diodes. This type of diode is designed to protect electronic equipment from over voltage and transients. They are designed to absorb sudden and large electrical surges such as those caused by lightning strikes, electrostatic discharge (ESD), and various types of short-circuit events.

SMDJ24A-T7 is a 24V unidirectional TVS designed to provide transient below surge protection. It offers ESD protection from minimum 0.5kV (Human body model) to maximum 1.5kV (Contact discharge mode) as per IEC61000-4-2 standards. The device is RoHS and Halogen-Free, and is designed to follow IEC664-4 standards. It features a safe operating area (SOA) of 34A in a 25°C thermal junction and 41.7A in 10°C thermal junction.

The working principle of the SMDJ24A-T7 diverge strongly from traditional rectifier diodes and it is very important to understand the PN junction as it relates to the operation of the device. The SMDJ24A-T7 is designed to trigger and enter a "breakdown" state once the applied voltage exceeds a designed threshold. During breakdown, the device will quickly increase its electrical resistance to limit the current flow. Once the transient voltage is removed, the device will re-establish normal forward conduction. The device also has a switch-like effect, in which it can be triggered to conduct current in both directions.

The SMDJ24A-T7 can provide protection from voltage transients, such as lightning strikes, ESD events, and electrical shorts. Like other TVSs, the SMDJ24A-T7 is designed to divert current away from sensitive components and absorb large electrical surges to protect the circuit from damage. These diodes can also help limit the current draw of devices, providing a safety feature for the circuit and reducing the potential for device damage.

One of the most common application fields for the SMDJ24A-T7 is in industrial equipment such as gasoline pumps, three phase pumps, fluorescent lighting, surge protection for motors, and transformers. It can also be used for data line protection, EMC/ESD protection, and for over-voltage protection.

In addition to the common industrial applications, the SMDJ24A-T7 can also be used for various consumer applications, such as protection circuits for overvoltage situations in AC/DC adapters, LCD TVSs, and automated equipment. This makes the SMDJ24A-T7 a suitable choice for a variety of applications, including ones that require both bidirectional and unidirectional protection.

Overall, the SMDJ24A-T7 is a versatile, reliable, and highly effective transient voltage suppressor diode, designed to provide protection from over-voltage and transients. This diode is well-suited for a wide range of applications, including industrial, consumer, and automotive.

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