CTXS-6603S

Diode Arrays Overview

The CTXS-6603S is a high-power fast recovery diode manufactured by Sanken Electric. It features a peak repetitive reverse voltage (VRM) of 300 V and an average forward current (IF(AV)) rating of 60 A. The device achieves a typical forward voltage drop (VF) of 1.05 V at 30 A, with a maximum of 1.4 V. Its reverse recovery time (trr) is typically 32 ns, with a maximum limit of 50 ns under specified test conditions. The component utilizes a TO247-3L package, providing a junction-to-case thermal resistance of 1.0 °C/W to support efficient heat dissipation in demanding power conversion applications.

Diode Arrays Feature Summary

• Optimized lifetime control for low noise and low loss operation
• High performance heat dissipation via low thermal resistance package
• Fast reverse recovery characteristics suitable for continuous conduction mode

Diode Arrays Applications

• Power Factor Correction (PFC) circuits operating in CCM
• Large current secondary side rectifiers
• DC-DC converters

Diode Arrays Procurement Notes

Verify the specific revision number on the datasheet prior to ordering, as specifications may be updated. Confirm that the TO247-3L package dimensions match your PCB footprint requirements. Ensure that the thermal interface material selected meets the recommended screw torque specifications to maintain optimal thermal performance and prevent mechanical stress on the resin mold during assembly.

Diode Arrays Selection Notes

Select this component for designs requiring robust surge handling capabilities, evidenced by its 300 A surge forward current rating. Consider the junction temperature range of -40°C to 150°C when determining derating factors for ambient conditions. Evaluate the trade-off between forward voltage drop and reverse recovery time if optimizing for efficiency versus electromagnetic interference in high-frequency switching environments.

Diode Arrays Part Context

CTXS-6603S belongs to Sanken Electric's portfolio of high-power discrete semiconductors designed for industrial and consumer power electronics. It is categorized alongside other fast recovery diodes intended for general-purpose electronic equipment. The manufacturer emphasizes reliability through strict derating guidelines and proper mounting procedures to ensure long-term stability in standard operating environments.

Diode Arrays Replacement Considerations

The datasheet explicitly marks this part as 'Not Recommended for New Designs.' Engineers should consult Sanken Electric sales representatives for current alternative components or updated series that offer improved performance metrics or enhanced availability for modern design implementations.

Diode Arrays FAQ

What is the maximum screw torque recommended for mounting the CTXS-6603S?

The recommended screw torque for the TO247 package is between 0.686 N·m and 0.882 N·m (7 to 9 kgf·cm).

How does the reverse leakage current change at high temperatures?

At a junction temperature of 150°C, the reverse leakage current can reach up to 20 mA, compared to a maximum of 200 µA at 25°C.

Is this component suitable for aerospace or nuclear power applications?

No, the use of this product in applications requiring extremely high reliability, such as aerospace equipment or nuclear power control systems, is strictly prohibited without written consent from Sanken.