DGSK40-025A

Diode Arrays Overview

The DGSK40-025A is a Gallium Arsenide Schottky rectifier featuring a common cathode configuration. It supports an average forward current of 18 A at 25°C and withstands a repetitive peak reverse voltage of 250 V. The device exhibits a maximum forward voltage of 1.5 V at 7.5 A and 25°C, with a junction capacitance of 26 pF. It operates within a temperature range of -55°C to +175°C and utilizes TO-220AC or TO-252 packages.

Diode Arrays Feature Summary

• Low forward voltage for efficient conduction
• Very high switching speed with low junction capacity
• Soft turn-off behavior with minimal reverse current peaks
• Temperature independent switching characteristics

Diode Arrays Applications

• MHz switched mode power supplies
• High frequency converters
• Resonant converters

Diode Arrays Procurement Notes

Verify the specific package variant (TO-220AC or TO-252) required for your design, as both are available under this part number series. Confirm that the GaAs material properties align with your thermal management strategy, particularly regarding the 48 W power dissipation limit at 25°C case temperature. Ensure mounting torque specifications are strictly followed to maintain reliable electrical contact and thermal performance.

Diode Arrays Selection Notes

Select this component when designing circuits requiring MHz-level switching frequencies where standard silicon diodes exhibit excessive reverse recovery losses. The low junction capacitance makes it suitable for resonant topologies. Consider the 175°C operating capability for high-temperature environments, but ensure adequate heat sinking to manage the 48 W power dissipation rating effectively during continuous operation.

Diode Arrays Part Context

This device belongs to the DGS/DGSK family of Gallium Arsenide Schottky rectifiers manufactured by IXYS. These components utilize planar passivated chips to achieve superior high-frequency performance compared to traditional silicon rectifiers. The family includes variants with different current ratings and packaging options, all sharing the core benefits of GaAs technology such as fast switching and low leakage.

Diode Arrays Replacement Considerations

DGS 20-025A

Diode Arrays FAQ

What is the typical junction capacitance of the DGSK40-025A?

The typical junction capacitance is 26 pF.

Does the DGSK40-025A exhibit temperature-dependent switching behavior?

No, the device features temperature-independent switching behavior due to its majority carrier conduction mechanism.

What is the maximum repetitive peak reverse voltage rating?

The maximum repetitive peak reverse voltage (VRRM) is 250 V.