VFT1080C-E3/4W

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The VFT1080C-E3/4W is a diode array device used in a wide variety of electronics and electrical systems. This device combines a dual SCR and a dual reverse-connected diode, providing a space-saving circuit solution by replacing two components with a single package. The device is capable of operating at high temperature and high speeds, making it ideal for applications that require high efficiency and reliability.

The VFT1080C-E3/4W diode array device is used to protect sensitive circuit components from overvoltage, reverse current flows, electrostatic discharge (ESD) and inductive loads. It is also used to regulate the input voltage of power supplies and voltage-sensitive circuits. The devices are designed to be reliable and tolerate extreme environmental conditions. As such, they are often used in military, aerospace and industrial applications.

The VFT1080C-E3/4W consists of two rectifier diodes connected in series, forming an H bridge, and two PN-combined SCRs. The device has an avalanche rating of -60A and an off-state voltage rating of -10V. The maximum surge current is 10A and the voltage drop under overload conditions is 2V. The device can withstand 6V of transient surge and is capable of operating at temperatures up to 125°C.

The circuit is connected such that when an appropriate voltage is applied across the SCRs, the diodes become unidirectional, allowing current to flow through them in a single direction. When the voltage falls below a certain level, the diodes become reversed biased and the current flow is stopped. This prevents overvoltage and reverse current flows which could be damaging to the circuit components.

The SCRs in the VFT1080C-E3/4W are designed to remain off until an appropriate trigger voltage is applied. This allows the device to be turned on and off without the need to manually switch the power supply. The SCRs also provide protection against ESD, allowing the device to remain in balance after an ESD event. Finally, the PN-combined SCRs reduce the number of components, eliminating unnecessary wiring and reducing the overall circuit complexity.

The VFT1080C-E3/4W is a versatile device, capable of providing protection for a variety of circuit requirements. The device is reliable and can tolerate extreme environmental conditions, making it ideal for a wide range of applications, both commercial and industrial. Its small size and low power consumption make it an excellent choice for use in cost-conscious applications.

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