CD410830

Diode Arrays Overview

The Powerex CD410830 is a dual diode POW-R-BLOK module designed for AC to DC rectification. It features an 800V peak reverse blocking voltage and a 30A average on-state current rating at a case temperature of 92°C. The device includes two series-connected silicon elements with isolated mounting capabilities. Key electrical specifications include a 47A RMS on-state current, a 600A non-repetitive surge current at 60Hz, and a junction-to-case thermal resistance of 0.8 °C/Watt. The module operates within a temperature range of -40°C to 125°C.

Diode Arrays Feature Summary

• Electrically isolated mounting allows easy integration with other components on common heatsinks
• Glass passivated chips provide enhanced protection against environmental factors
• Metal baseplate construction ensures low thermal impedance for efficient heat dissipation
• UL recognized certification confirms compliance with safety standards

Diode Arrays Applications

• Battery supplies
• AC motor power supplies
• DC motor power supplies

Diode Arrays Procurement Notes

Verify the complete eight-digit part number matches the required voltage and current ratings before ordering. Confirm that the application environment stays within the specified operating temperature limits of -40°C to 125°C. Ensure proper mounting torque is applied to M5 terminals (17 in.-lb) and M6 screws (26 in.-lb) to maintain electrical isolation and thermal performance. Check for UL recognition requirements specific to your equipment design.

Diode Arrays Selection Notes

Select this module when high reliability and isolated packaging are required for rectification tasks. The 800V rating suits applications with moderate voltage spikes, while the 30A continuous current supports medium-power loads. Consider the 0.8 °C/Watt thermal resistance for heatsink sizing calculations. Verify that the 2000Vrms isolation voltage meets system safety requirements. Evaluate the glass-passivated chip technology for durability in harsh environments compared to standard packages.

Diode Arrays Part Context

This component belongs to the POW-R-BLOK family of dual diode modules from Powerex. These modules are engineered for robust performance in industrial power conversion systems. The series offers various voltage and current combinations to suit different rectification needs. The CD410830 specifically addresses applications requiring 800V blocking capability and 30A current handling in a compact, isolated form factor.

Diode Arrays Replacement Considerations

Consult official Powerex documentation for direct substitutes. Verify that any replacement maintains identical voltage ratings, current capacities, and isolation specifications. Ensure mechanical dimensions and terminal configurations match the existing design constraints.

Diode Arrays FAQ

What is the maximum non-repetitive surge current for the CD410830?

The peak one-cycle surge current is 600 Amperes at 60Hz and 545 Amperes at 50Hz.

How is the thermal resistance defined for this module?

The junction-to-case thermal resistance is 0.8 °C/Watt per module, and the case-to-sink thermal resistance (lubricated) is 0.2 °C/Watt per module.

What is the isolation voltage rating of the module?

The module provides 2000 Volts RMS isolation between the terminals and the baseplate.