IXYS DSEI30-10A FRED

Product Overview

The IXYS DSEI30-10A is a Fast Recovery Epitaxial Diode (FRED) designed for high-frequency switching applications. It features a planar passivated chip, very short recovery time, and improved thermal behavior. This single diode is housed in the industry-standard TO-247 package.

Key Specifications:

• Reverse Voltage (VRRM): 1000 V
• Average Forward Current (IFAV): 30 A
• Reverse Recovery Time (trr): 45 ns

Features / Advantages

• Planar passivated chips
• Low leakage current
• Very short recovery time
• Improved thermal behaviour
• Very low Irm-values
• Very soft recovery behaviour
• Avalanche voltage rated for reliable operation
• Soft reverse recovery for low EMI/RFI
• Low Irm reduces power dissipation within the diode and turn-on loss in the commutating switch.

Applications

• Antiparallel diode for high frequency switching devices
• Antisaturation diode
• Snubber diode
• Free wheeling diode
• Rectifiers in switch mode power supplies (SMPS)
• Uninterruptible power supplies (UPS)

Package Information

Package: TO-247

• Industry standard outline
• RoHS compliant
• Epoxy meets UL 94V-0

Electrical Characteristics

Note: Additional conditions and values for other parameters (e.g., VRRM, IR, VF at different conditions, trr at 25°C) are available in the original document.

Package Dimensions (TO-247)

The TO-247 package is an industry-standard outline for power semiconductors. The dimensions are provided in inches and millimeters.

A schematic diagram of the TO-247 outline is provided, showing the pin numbering (1, 2, 3) and key reference points for dimensions.

Product Marking

The product marking on the DSEI30-10A typically includes:

• Logo: IXYS
• Part Number: DSEI30-10A
• Date Code: e.g., yywwZ
• Lot#: e.g., 1234
• Location: Indicated on the component body.

Ordering Information

Similar Parts

Equivalent Circuits for Simulation

Simplified equivalent circuits are provided for simulation purposes:

• Fast Diode Model: Includes V_{0 max} (threshold voltage) and R_{0 max} (slope resistance).

* on die level, T_VJ = 150°C

Performance Graphs

Fig. 1 Forward current IF versus max. forward voltage drop VF

This graph plots Forward Current (IF) in Amperes on the Y-axis against Forward Voltage (VF) in Volts on the X-axis. Multiple curves are shown, representing different Junction Temperatures (TvJ) at 25°C, 100°C, and 150°C.

Fig. 2 Typ. reverse recovery charge Qr versus -diF/dt

This graph plots Reverse Recovery Charge (Qr) in microcoulombs (µC) on the Y-axis against the negative rate of change of forward current (-diF/dt) in Amperes per microsecond (A/µs) on the X-axis. Curves are shown for different forward currents (IF) (15A, 30A, 60A) and a reverse voltage (VR) of 540V at a junction temperature of 100°C.

Fig. 3 Typ. peak reverse current IRM versus -diF/dt

This graph plots Peak Reverse Current (IRM) in Amperes on the Y-axis against the negative rate of change of forward current (-diF/dt) in Amperes per microsecond (A/µs) on the X-axis. Curves are shown for different forward currents (IF) (15A, 30A, 60A) and a reverse voltage (VR) of 540V at a junction temperature of 100°C.

Fig. 4 Dynamic parameters Qr, IRM versus TvJ

This graph plots Dynamic Parameters (Qr and IRM) on the Y-axis against Junction Temperature (TvJ) in degrees Celsius (°C) on the X-axis. It shows how Qr and IRM vary with temperature.

Fig. 5 Typ. recovery time trr versus -diF/dt

This graph plots Reverse Recovery Time (trr) in nanoseconds (ns) on the Y-axis against the negative rate of change of forward current (-diF/dt) in Amperes per microsecond (A/µs) on the X-axis. Curves are shown for different forward currents (IF) (15A, 30A, 60A) and a reverse voltage (VR) of 540V at a junction temperature of 100°C.

Fig. 6 Typ. peak forward voltage VFR and tfr versus diF/dt

This graph plots Peak Forward Voltage (VFR) in Volts (V) and Reverse Recovery Time (tfr) in nanoseconds (ns) on the Y-axis against the positive rate of change of forward current (diF/dt) in Amperes per microsecond (A/µs) on the X-axis. Curves are shown for a junction temperature of 125°C and a forward current (IF) of 30A.

Fig. 7 Transient thermal impedance junction to case

This graph plots Transient Thermal Impedance (ZthJC) in K/W on the Y-axis against time (t) in milliseconds (ms) on the X-axis, on a logarithmic scale. It shows the thermal response of the device. A table provides constants for ZthJC calculation.