LQA30T150C

Diode Arrays Overview

The LQA30T150C is a Qspeed™ family common-cathode diode rated for 150 V peak repetitive reverse voltage and 30 A average forward current. It features a TO-220AB through-hole package with lead-free plating. Key electrical parameters include a typical reverse recovery charge of 31.5 nC at 125 °C, a maximum reverse current of 500 µA at 25 °C, and a junction-to-case thermal resistance of 2.2 °C/W per diode.

Diode Arrays Feature Summary

• Low reverse recovery charge and current to enable high dI/dt switching
• Soft recovery characteristics to reduce electromagnetic interference
• Eliminates the need for external snubber circuits in designs

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 ordering suffix matches the required package configuration. Confirm that the component meets RoHS compliance standards and utilizes lead-free plating as specified in the datasheet. Ensure the procurement documentation aligns with the manufacturer's official specifications for the TO-220AB variant.

Diode Arrays Selection Notes

Select this component for applications requiring low EMI and high efficiency without snubber networks. The common-cathode configuration supports dual-diode requirements within a single package. Evaluate thermal management based on the specified junction-to-case resistance and average current ratings under expected operating temperatures.

Diode Arrays Part Context

This device belongs to the Qspeed™ family from Power Integrations, designed to offer the lowest reverse recovery charge among silicon diodes in its voltage class. The series focuses on improving power conversion efficiency and reducing filter component size through advanced soft-recovery technology.

Diode Arrays Replacement Considerations

LQA30B150C (TO-263AB package)

Diode Arrays FAQ

What is the typical reverse recovery charge at 125 °C?

The typical reverse recovery charge is 31.5 nC at a junction temperature of 125 °C.

Does the LQA30T150C require snubber circuits?

No, the soft recovery characteristics are designed to eliminate the need for snubber circuits.

What is the maximum non-repetitive peak surge current?

The maximum non-repetitive peak surge current is 350 A for a half-cycle sinusoid at a case temperature of 25 °C.