DD46S10KHPSA1

Diode Arrays Overview

The DD46S10KHPSA1 is a discontinued silicon diode module from Infineon Technologies, housed in the DD46S base mount package. It features a single pair of serially connected diodes with a maximum repetitive peak reverse voltage ranging from 800 V to 1200 V and an RMS forward current limit of 100 A. The mean forward current capacity is rated at 64 A when the case temperature is maintained at 59°C. Key electrical characteristics include a maximum forward voltage of 1.60 V at 150 A and a maximum reverse leakage current of 20 mA at 125°C. The module supports a surge forward current of up to 1000 A and operates within a junction temperature range of -40°C to 125°C.

Diode Arrays Feature Summary

• Features internal insulation utilizing aluminum oxide (Al2O3) for enhanced isolation capabilities.
• Designed with soldered contact silicon pellets for robust mechanical and thermal stability.
• Includes high insulation test voltage specifications to ensure safety in demanding environments.

Diode Arrays Applications

• Industrial power conversion systems
• High-voltage rectification circuits
• Motor drive applications

Diode Arrays Procurement Notes

This component has been officially declared obsolete by the manufacturer and is no longer in production. Sourcing new units is restricted to existing surplus stock or secondary market channels. Buyers must verify the authenticity and physical condition of available inventory carefully. Due to the end-of-life status, long-term supply continuity cannot be guaranteed. Replacement planning should prioritize immediate qualification of alternative components to mitigate future availability risks.

Diode Arrays Selection Notes

Engineers selecting this module must account for its specific thermal resistance values, which vary based on whether the load is continuous DC or pulsed. The device requires careful mounting torque management, specifically adhering to the specified limits for both mechanical fastening and electrical terminal connections. Designers should also consider the transient thermal impedance characteristics when calculating heat sink requirements for dynamic load profiles.

Diode Arrays Part Context

The DD46S10KHPSA1 belongs to the DD46S series of power semiconductor modules manufactured by Infineon Technologies. This series is characterized by its rugged construction and suitability for high-power industrial applications. The module utilizes standard silicon technology optimized for reliable operation under significant electrical stress and thermal cycling conditions typical in heavy-duty power electronics.

Diode Arrays Replacement Considerations

The MDD72-08N1B from IXYS is documented as a similar replacement part number for this discontinued component.

Diode Arrays FAQ

What is the maximum insulation test voltage for the DD46S10KHPSA1?

The module supports an insulation test voltage of 2.5 kV.

How does the mean forward current rating change with case temperature?

The mean forward current is rated at 64 A when the case temperature is 59°C.

What material is used for the internal insulation in this module?

The internal insulation is constructed using aluminum oxide (Al2O3).