IXYS DSEI2x31-12B FRED Fast Recovery Epitaxial Diode User Guide

June 1, 2024
IXYS

IXYS DSEI2x31-12B FRED Fast Recovery Epitaxial Diode

Specifications

  • Part Number: DSEI2x31-12B
  • VRSM = 1200 V
  • VRRM = 2x 30 A
  • trr = 50 ns
  • Package: SOT-227B (minibloc)
  • Isolation Voltage: 3000 V~

Product Information

The DSEI2x31-12B is a Fast Recovery Epitaxial Diode with low loss and soft recovery features. It is designed with parallel legs and offers various advantages such as planar passivated chips, low leakage current, very short recovery time, improved thermal behavior, low Irm-values, soft recovery behavior, and more. This diode is ideal for applications requiring high frequency switching, ant saturation, snubber, free-wheeling, rectifiers in switch mode power supplies (SMPS), and uninterruptible power supplies (UPS.

Features:

  • Planar passivated chips
  • Low leakage current
  • Very short recovery time
  • Improved thermal behavior
  • Low Irm-values
  • Very soft recovery behavior

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)

Product Usage Instructions

Installation:

  1. Ensure proper isolation and electrical safety measures are in place before installation.
  2. Mount the diode securely using the specified mounting torque.
  3. Verify the correct terminal connections according to the datasheet.

Circuit Connection:
Connect the diode in the circuit according to the specific application requirements. Refer to the datasheet for detailed circuit diagrams and connection guidelines.

Operating Conditions:

  • RMS Current: Up to 70 A per terminal
  • Junction Temperature: -40°C to +30°C
  • Storage Temperature: -40°C to +30°C

FAQ

  • Q: What is the maximum reverse voltage rating of the DSEI2x31-12B diode?
    A: The maximum repetitive reverse blocking voltage (VRRM) of the diode is 1200 V.

  • Q: What is the package type of the DSEI2x31-12B diode?
    A: The diode comes in a SOT-227B (minibloc) package.

  • Q: What are some typical applications of this diode?
    A: The DSEI2x31-12B diode is commonly used in high frequency switching devices, rectifiers in switch mode power supplies, and uninterruptible power supplies

DSEI2x31-12B
FRED

Fast Recovery Epitaxial Diode Low Loss and Soft Recovery Parallel legs
Part number
DSEI2x31-12B

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
    •  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: SOT-227B (minibloc)

  • Isolation Voltage: 3 0 0 0 V~
  • Industry standard outline
  •  RoHS compliant
  • Epoxy meets UL 94V-0
  • Base plate: Copper internally DCB isolated
  • Advanced power cycling

Disclaimer Notice
Information furnished is believed to be accurate and reliable. However, users should independently
evaluate the suitability of and test each product selected for their own applications. Littelfuse products are not designed for, and may not be used in, all applications. Read complete Disclaimer Notice at www.littelfuse.com /disclaimer-electronics.

  • IXYS reserves the right to change limits, conditions and dimensions.
  • Data according to IEC 60747and per semiconductor unless otherwise specified
  • © 2021 IXYS all rights reserved

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Product Marking

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Ordering| Ordering Number| Marking on Product| Delivery Mode| Quantity| Code No.
---|---|---|---|---|---
Standard| DSEI2x31-12B| DSEI2x31-12B| Tube| 10| 459259
Similar Part| Package| Voltage class
---|---|---
DSEI2x30-12B| SOT-227B (minibloc)| 1200

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Outlines SOT-227B (minibloc)

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Fast Diode

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Fig. 7 Transient thermal impedance junction to case

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References

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