81CNQ045ASM

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The 81CNQ045ASM is a series of diode arrays developed by Toshiba and manufactured by Vishay Semiconductor. With a maximum reverse voltage of 45 Volts, this device’s low forward voltage drop of 0.85 V guarantees its excellent performance in applications with limited power resources. It is offered in a 12-pin Straight Dip Lead package and is RoHS-compliant.

The 81CNQ045ASM has a wide range of applications – such as in power supply circuits, motor controls and auto-blocking circuits. It can also be used in systems meant to provide over-voltage protection.

The 81CNQ045ASM is made up of two or four inner diodes housed in a common package. The diodes are connected in a parallel configuration, with the anodes commoned. This makes the product suitable for both a single-phase and a three-phase rectifier bridge, which is capable of providing up to 45-Watts of power for rectification applications.

The 81CNQ045ASM is designed to operate in the temperature range of -55°C to 150°C. It also has a very low reverse-leakage current, thereby reducing the power dissipation of the overall system. This device is also designed to withstand repeat surge current (Class C) demands, making it more suitable for use in high-power applications.

The working principle of the 81CNQ045ASM is the same as that of other diode arrays – the current flows from the anode to the cathode. When a certain reverse voltage is applied to the diode, the current is prevented from flowing back in the clockwise direction, making it ideal for use as a rectifier.

In addition, the 81CNQ045ASM offers high peak reverse avalanching current (IPPM) ratings, ensuring that the device can withstand long term surge overloads. This makes it ideal for use in high-power applications such as motor controls and power supplies.

In summary, the 81CNQ045ASM is a series of diode arrays developed by Toshiba and manufactured by Vishay Semiconductor. It is designed with a maximum reverse voltage of 45 Volts, a low forward voltage drop of 0.85 V, and is offered in a 12-pin Straight Dip Lead package. This diode array is suitable for use in power supply circuits, motor controls, auto-blocking circuits, over-voltage protection, and can also withstand repeat surge current demands, making it ideal for use in high-power applications.

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