Littelfuse IXYS DSEP2X31-12A fast recovery diode with short recovery time and dissipation in SOT227B

Key Attributes
Model Number: DSEP2X31-12A
Product Custom Attributes
Reverse Leakage Current (Ir):
250uA@1200V
Non-Repetitive Peak Forward Surge Current:
200A
Operating Junction Temperature Range:
-40℃~+150℃
Voltage - DC Reverse (Vr) (Max):
1.2kV
Voltage - Forward(Vf@If):
2.72V@30A
Current - Rectified:
30A
Mfr. Part #:
DSEP2X31-12A
Product Description

Product Overview

The DSEP2x31-12A is a high-performance fast recovery diode featuring low loss and soft recovery characteristics. Designed with planar passivated chips, it offers very low leakage current, very short recovery time, and improved thermal behavior. Its very low Irm-values and soft reverse recovery contribute to reduced power dissipation and turn-on losses in commutating switches, making it suitable as an antiparallel diode for high-frequency switching devices, antisaturation diode, snubber diode, and free-wheeling diode. It is also used in rectifiers for switch-mode power supplies (SMPS) and uninterruptible power supplies (UPS). The diode is housed in an industry-standard SOT-227B (minibloc) package.

Product Attributes

  • Brand: IXYS
  • Package: SOT-227B (minibloc)
  • Certifications: RoHS compliant, Epoxy meets UL 94V-0
  • Backside: Isolated
  • Base plate: Copper internally DCB isolated
  • Isolation Voltage: 3000 V~

Technical Specifications

Symbol Definition Conditions Unit typ. max. min.
VRRM max. repetitive reverse blocking voltage TVJ = 25C V 1200
VRSM max. non-repetitive reverse blocking voltage TVJ = 25C V 1200
IFAV average forward current TC = 100C A 2x60
IFSM max. forward surge current t = 10 ms; (50 Hz), sine; TVJ = 45C A 1200
VF forward voltage drop IF = 60 A; TVJ = 25C V 1,77 2,26
VF0 threshold voltage TVJ = 150C V 1,31
rF slope resistance for power loss calculation only TVJ = 150C m 15,4
Ptot total power dissipation TC = 25C W 250
RthJC thermal resistance junction to case K/W 1,15
RthCH thermal resistance case to heatsink K/W 0,1
TVJ virtual junction temperature C 150
Tstg storage temperature C -40 150
IRMS RMS current per terminal A 100
IRMS RMS current terminal to terminal A 125
Weight g 30
Isolation Voltage t = 1 second V 2500
Isolation Voltage t = 1 minute V 3000
Mounting torque Nm 1,1 1,5
Terminal torque Nm 1,1 1,5
trr reverse recovery time IF = 30 A; -dIF/dt = 200 A/s; VR = 600 V; TVJ = 100C ns 40
IRM max. reverse recovery current IF = 30 A; -dIF/dt = 200 A/s; VR = 600 V; TVJ = 100C A 8,5
Qr reverse recovery charge IF = 30 A; -dIF/dt = 200 A/s; VR = 600 V; TVJ = 100C C 13

2504101957_Littelfuse-IXYS-DSEP2X31-12A_C21790168.pdf

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