CM1248-04QG

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The CM1248-04QG is a Transient Voltage Suppressor (TVS) diode, used for providing protection to voltage sensitive components in electrical and electronic circuits. The product is a unidirectional device, meaning it is able to protect against surges of voltage from a single positive or negative polarity source. It is used in many applications from protection against lightning or power surges in various electronic equipment to protection against electrostatic discharge in plasma television screens.

The CM1248-04QG is available in two different packages, one with a flat surface and one with a curved surface. Both packages are designed for surface mounting and the curved package also fits into panel cutouts. The device is made with an enhanced glass passivated junction in a SOD-323 package and features a low reverse leakage current. With a surge capability of 500A (10/1000µs waveform), the diode can withstand up to 7kV of peak surge voltage. It also features an operating temperature range of -55°C to +180°C.

The working principle of the CM1248-04QG is simple. When the voltage between the anode and cathode of the diode reaches its maximum rating, the diode can begin to conduct. This means that when a voltage surge occurs, the diode can redirect the surge to ground, protecting the circuit from being damaged. The CM1248-04QG has a low dynamic resistance, so it can withstand even large surges of voltage without causing damage to the circuit equipment.

The main application of the CM1248-04QG is for protecting vulnerable components, like transformers and motors, from power surges. It is also often used in automotive applications, as it has a greater tolerance to temperature, vibration and shock than other TVS diodes. Some other applications for the device include the protection of plasma TVs from electromagnetic interference, and the protection of telephone lines from power surges.

The CM1248-04QG is an essential part of any circuit where protection from power surges is required. Its low dynamic resistance and high surge capability make it one of the best protection solutions for a variety of applications. With its small size and enhanced glass passivated junction, it is easy to install and use in any electronic or electrical circuit.

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