LQA30B150C

Diode Arrays Overview

The LQA30B150C is a 150 V, 30 A common-cathode diode from the Qspeed™ family by Power Integrations. It utilizes Schottky technology to achieve the lowest reverse recovery charge (QRR) among 150 V silicon diodes. The device operates with a junction temperature range of -55 °C to 150 °C and features soft recovery characteristics. Key electrical parameters include a typical QRR of 31.5 nC at 125 °C and a maximum repetitive peak reverse voltage of 150 V.

Diode Arrays Feature Summary

• Low reverse recovery charge (QRR), low reverse recovery current (IRRM), and short reverse recovery time (tRR).
• Capable of handling high dI/dt switching rates.
• Soft recovery profile minimizes electromagnetic interference.

Diode Arrays Applications

• AC/DC and DC/DC output rectification
• Output and freewheeling diodes in power supplies
• Motor drive circuits
• DC-AC inverters

Diode Arrays Procurement Notes

Verify the specific package type during procurement, as the LQA30B150C designation corresponds to the TO-263AB surface-mount package. Confirm that the ordering suffix matches the required packing format, such as reel quantities for SMD variants. Ensure compliance with RoHS standards and halogen-free requirements specified in the datasheet before finalizing component selection.

Diode Arrays Selection Notes

Select this component when minimizing snubber circuit complexity is critical due to its ultra-low QRR. It is suitable for applications requiring extremely fast switching speeds and reduced EMI filter component counts. Consider the thermal resistance and case temperature limits when designing heat dissipation strategies for high-current operation.

Diode Arrays Part Context

This part belongs to the Qspeed™ family of diodes manufactured by Power Integrations. The 'B' suffix indicates the TO-263AB surface-mount package variant, distinct from the through-hole TO-220AB version (LQA30T150C). These devices are engineered to replace traditional fast recovery diodes in high-efficiency power conversion topologies.

Diode Arrays Replacement Considerations

The LQA30T150C serves as the direct through-hole equivalent within the same family. Verify pinout compatibility and thermal management requirements when substituting between the TO-263AB and TO-220AB packages.

Diode Arrays FAQ

What technology is used in the construction of the LQA30B150C?

The LQA30B150C employs Schottky technologies in its design and construction, despite being categorized as a silicon diode.

How does the soft recovery characteristic benefit the circuit?

The soft recovery reduces electromagnetic interference (EMI) and eliminates the need for external snubber circuits, thereby increasing overall system efficiency.

What is the maximum operating junction temperature?

The maximum operating junction temperature for the LQA30B150C is 150 °C.