25CTQ045STRR

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Diode arrays are a type of semiconductor component comprising two or more individual diodes connected in series, parallel, or combinational arrangement, designed to limit current and/or reduce voltage spikes. A diode array can protect sensitive circuits from high-voltage or -current damage by blocking voltage or current and preventing any further passage.

The 25CTQ045STRR is a single array diode with two diodes connected in series and two diodes connected in parallel, designed to protect AC/DC circuits against inductive and capacitive transient voltage peaks. This device can be checked in a quick way due to its minimal size. It is an easy and cost efficient solution.

The 25CTQ045STRR application field mainly covers consumer products and home appliances, where it is used for low voltage overcurrent protection and also for EMC and pulse coupling rectification protection in automotive electronics for infrared remote control in consumer and home electronics.

The 25CTQ045STRR working principle depends on two key features: blocking capability and clamping capability. Blocking rating means the maximum reverse voltage a diode can withstand before it gets destroyed by electrical breakdown, while clamping capability means the maximum reverse current it can withstand. In the 25CTQ045STRR, the diodes are connected in series to increase its blocking rating, while the diodes connected in parallel serve to increase the clamping capability.

The 25CTQ045STRR is connected in the AC/DC circuits. When the transient voltage peak rises above the device’s blocking rating and the circuit current reaches the peak clamping capability, the 25CTQ045STRR begins to conduct. Afterward, current gets diverted around the diode array and the voltage across the device is clamped, resulting in a protection of the circuit.

In conclusion, the 25CTQ045STRR is a single-array diode designed to provide power transient protection in AC/DC applications such as home appliances, consumer products, automotive electronics, infrared remote controls, and EMC applications. It features two diodes connected in series and two diodes connected in parallel which offer increased blocking and clamping capabilities. When the circuit experiences surges in voltage or power, the diode array provides protection by limiting the current and clamping voltage to a specified level.

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