LQA32T300C

Diode Arrays Overview

The LQA32T300C is a Q-Series common-cathode fast recovery rectifier manufactured by Power Integrations. It features a 300 V reverse voltage rating and supports an average forward current of 16 A. The device utilizes a TO-220AB-3 through-hole package with a power dissipation capacity of 65.8 W. Key electrical parameters include a maximum forward voltage of 1.6 V, a peak repetitive reverse current of 25 uA, and a maximum surge current of 350 A. It belongs to the Qspeed series, characterized by ultra-low reverse recovery charge.

Diode Arrays Feature Summary

• Ultra-low reverse recovery charge (Qrr) for high efficiency
• Soft recovery characteristic to minimize electromagnetic interference
• High di/dt capability enabling rapid switching operations

Diode Arrays Applications

• Power Factor Correction (PFC) boost diodes
• Motor drive circuits
• DC-AC inverters

Diode Arrays Procurement Notes

Verify the specific ordering suffix against official datasheets to confirm pinout and thermal characteristics. Confirm RoHS compliance status via manufacturer documentation before integration. Ensure the TO-220AB-3 package dimensions match the target PCB footprint. Validate thermal resistance values for the intended heatsinking configuration.

Diode Arrays Selection Notes

Select this component for applications requiring low switching losses and reduced EMI filtering requirements. The common-cathode configuration simplifies circuit topology for bridge or half-bridge arrangements. Consider the 300 V rating relative to system voltage transients. Evaluate the 16 A continuous current limit against peak load demands.

Diode Arrays Part Context

This part belongs to the Power Integrations Qspeed family of silicon rectifiers. The series is engineered to replace standard fast recovery diodes in high-frequency power conversion designs. It offers superior performance metrics compared to conventional silicon devices, specifically targeting efficiency improvements in modern power supplies.

Diode Arrays Replacement Considerations

Cross-reference with other Q-Series common-cathode variants such as LQA20T300C or LQA40T300C for current density adjustments. Verify pin compatibility when substituting with generic fast recovery diodes. Ensure reverse voltage ratings meet or exceed the original design specifications.