D3V3X4U10LP-7

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TVS (transient voltage suppressor) diodes are electronic components used to protect integrated circuits (ICs) in a circuit board from electrical transients. This form of protection is necessary as these transients can lead to circuit damage and unreliable operation of sensitive electronics. The D3V3X4U10LP-7 TVS diode is a dual-channel protection unit designed to protect digital and analog circuitry from relatively low-energy transients that occur from motor starting, lightning strikes, and other pollutants. This article looks at the application field of the D3V3X4U10LP-7 TVS diode, and explains the working principles of the device.

Application field

The D3V3X4U10LP-7 is designed for use in power supplies, automotive, consumer electronics, and telecommunication applications. It is Surface Mount Device (SMD) compatible for easy installation and also has a high peak power rating of 132 Watts for sensitive operations. In addition, the device has a 7-volt Reverse Standoff Voltage (Vrwm) and a bidirectional voltage clamp of 6.3 volts. The device is also compliant with the RoHS (Restriction of Hazardous Substances) Directive which limits the hazardous substances used in the manufacturing of electronic components.

Working Principle

The D3V3X4U10LP-7 works by limiting transients, or voltage spikes, that occur from external sources. When an electrical charge is introduced to the electronic circuit, the diode constricts the flow of current to prevent the voltage level from rising above its Maximum Peak Pulse Power (MPP). The device is made up of two components, an anode and a cathode, both of which act as oppositely polarized electrical contacts. When the voltage level on the anode side surpasses the Vrwm rating, the diode begins to conduct, allowing current to flow in both directions through the device. This quickly drops the voltage level again until it is below the breakdown voltage (Vbd) rating.

The D3V3X4U10LP-7 device is also designed to maintain an optimum balance between current and voltage on both sides. To do this, the device is set with two Over-Voltage-Protection (OVP) threshold values. The first OVP threshold is set to the same value as the reverse standoff voltage (Vrwm), while the second is set lower than the reverse bias voltage. Whenever the current on either side reaches the threshold values, the device immediately shuts off, protecting the circuit from overloading. This model also has an efficient clamping ratio which allows the device to remain cool and dissipate any transient energy without becoming a tripping hazard.

The D3V3X4U10LP-7 is an excellent choice for protecting sensitive circuitry from external electrical transients. Its SMD compatibility, high peak power rating, and reduced clamping ratio make it a great choice for a wide variety of applications. Furthermore, it is RoHS compliant and is the perfect solution for any circuit design needing reliable protection.

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