CPT30045

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The CPT30045 is an array of four diode bridges that each include four fast ramp-up/down avalanche-rated diodes. It is a rectifier bridge designed for use in line-commutated-diode (LCD) power supply applications, where the diode bridge rectifies alternating input current to direct current output. The array is housed in a 32-pin package with each of the four bridges connected in parallel.

In order to optimize the performance of the CPT30045, the input voltage should be operated within a range of 13-18V. This range allows the diode bridge to perform its rectification operation without exceeding its maximum power dissipation rating. Each bridge has an on-state voltage drop of 1.25V and a maximum peak forward current of 25A. The CPT30045\'s fast recovery avalanche-rated diodes enable it to provide high speed diode clamping on line transients and narrow input voltage swings.

The CPT30045\'s high avalanche current rating also provides improved protection against line transients, while its low forward voltage drop ensures optimal input current recovery. The fast reverse current crossing capability of this rectifier bridge also ensures accurate synchronization of the AC line input and output waveforms, allowing for the quick reaction time required for inrush current clamping. This capability makes the CPT30045 suitable for use in LCD power supplies.

The CPT30045 is designed for cooling operation, with each of its four bridges made from an integrated package with a metal frame and plastic cover housing. This allows for thermal management that keeps the power losses at a minimum, enhancing the overall efficiency of the system. The plastic cover housing and metal frame also protect the rectifier bridge from external environmental threats, such as dust and moisture.

In addition, the CPT30045 has a low duty cycle rating and a maximum power dissipation of 150W. This classifies it as a low-power device, meaning that it is capable of providing robust rectification performance with low power loss. It also relies on an isolation gap between the anode and cathode to increase the breakdown voltage and reduce the forward voltage, thus providing improved power efficiency.

The CPT30045 is designed to provide efficient rectification of alternating input current to output direct current in LCD power supply applications. It has an input voltage range of 13-18V, an on-state voltage of 1.25V, a maximum peak forward current of 25A, and a maximum power dissipation of 150W. Its fast recovery avalanche-rated diodes provide high clamping and synchronization capabilities, while its low duty cycle rating ensures low power losses. Its integrated package with metal frame and plastic cover housing provides thermal management and protection from environmental threats. Thus, the CPT30045 is an ideal solution for LCD power supply applications that require efficient, reliable, and robust rectification.

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