CDBM120L-G

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The CDBM120L-G is a single rectifier diode designed for automated surface mounting on a printed circuit board using solder wave techniques. It combines very low leakage current and very fast switching speed to accommodate a wide range of applications that require low-to-medium current rectification, such as power supplies, DC-DC converters and buck regulators.

The CDBM120L-G is available in a hermetically sealed TO-263X-5 leadless reinforced pocket construction, an SMD package with a plastic body, and an epoxy-filled package with a glass body. The device is designed to be soldered directly to a PCB in order to reduce both cost and effort. It is rated at 120A forward average current and 2700V peak reverse voltage. The part has superior surge protection capability, with a maximum peak forward current of 180A.

The CDBM120L-G is capable of high frequency operation, making it suitable for fast switching applications. Its low on-state losses make it suitable for power electronics applications demanding high efficiency, such as DC-DC converters and PWM regulators. The diode has a low reverse recovery time of 5ns, allowing for faster switching transitions with lower interference. Its low leakage current of 200nA maximizes the output current and provides superior surge protection.

The working principle of the CDBM120L-G is based on the P-N junction diode. When the anode is more positive with respect to the cathode, the diode is forward biased and conducts current. When the anode is more negative with respect to the cathode, the diode is reverse biased and it does not conduct current. This property is exploited in rectifier circuits to convert AC power into DC power. The circuit can be configured as a half-wave, full-wave center-tapped, or full-wave bridge rectifier to control the output voltage and current waveform.

The CDBM120L-G is suitable for many different applications, including power supplies, DC-DC converters, buck regulators, and other power electronics applications that require fast, reliable rectification. Its low leakage current, fast switching speed, and superior surge protection makes it an ideal choice for these applications.

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