Powerelectronics 3215 03578powerintegrations

150 V Diodes Deliver Combination of Switching Speed and Softness

March 18, 2015
Power Integrations announced a new family of Qspeed™ 150 V diodes.

Power Integrations announced a new family of Qspeed™ 150 V diodes. The fastest silicon diodes in the world, Qspeed LQA150 series devices also feature excellent softness for low EMI. Based on the company's Qspeed merged-PIN technology, the diodes have the lowest junction capacitance (CJ) and lowest reverse recovery charge (QRR) in the market - respectively 60% and 40% lower than trench Schottky devices.

This unique balance of attributes facilitates high-frequency operation, so that small and inexpensive magnetic components may be used while maintaining maximum efficiency. The devices' excellent EMI performance means that the need for snubber capacitors is also reduced or even eliminated, further improving efficiency and reducing cost.

Available from 10 A to 40 A in common-cathode configuration, these new 150 V diodes target applications in DC/DC converters and output rectifiers for hard switching or soft switching. The LQA150 devices are immediately available in DPAK, D2PAK and TO-220 packages, ranging from $0.33 to $0.96 each in 10K quantities.

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