Littelfuse IXYS DSA120C150QB Schottky Diode Featuring Low Loss Soft Recovery and Common Cathode Design

Key Attributes
Model Number: DSA120C150QB
Product Custom Attributes
Non-Repetitive Peak Forward Surge Current:
1.2kA
Reverse Leakage Current (Ir):
900uA@150V
Operating Junction Temperature Range:
-55℃~+175℃
Diode Configuration:
1 Pair Common Cathode
Voltage - DC Reverse (Vr) (Max):
150V
Voltage - Forward(Vf@If):
1.13V@120A
Current - Rectified:
60A
Mfr. Part #:
DSA120C150QB
Package:
TO-3P-3
Product Description

Product Overview

The DSA120C150QB is a high-performance Schottky diode featuring common cathode configuration, low loss, and soft recovery characteristics. Designed for demanding applications, it offers very low forward voltage drop (Vf), extremely low switching losses, and low reverse current (Irm) values. Its improved thermal behavior and high reliability contribute to efficient circuit operation with reduced protection circuit requirements and low noise switching. This diode is ideal for rectifiers in switch mode power supplies (SMPS) and as a free-wheeling diode in low voltage converters.

Product Attributes

  • Brand: IXYS
  • Product Type: Low Loss and Soft Recovery High Performance Schottky Diode, Common Cathode Schottky Diode
  • Package: TO-3P (Industry standard outline compatible with TO-247)
  • Certifications: RoHS compliant, Epoxy meets UL 94V-0

Technical Specifications

Symbol Definition Conditions Unit typ. max. min.
VRRM max. repetitive reverse blocking voltage Tj = 25C V 150
VRSM non-repetitive reverse blocking voltage Tj = 25C V 60
IF(AV) average forward current A 120
VF0 threshold voltage Tj = 175C V 0.51
rF slope resistance for power loss calculation only Tj = 175C m 0.80
Vf forward voltage drop IF = 120 A V 1.13
Vf forward voltage drop IF = 60 A V 1.03
Irm reverse current VR = 60 V mA 0.4
CJ junction capacitance VR = 24 V, f = 1 MHz pF 481
IFSM max. forward surge current t = 10 ms; (50 Hz), sine; Tj = 45C kA 1.20
Ptot total power dissipation Tc = 25C W 375
RthJC thermal resistance junction to case K/W 0.25
RthCH thermal resistance case to heatsink K/W 0.4
TVJ virtual junction temperature C 175
Tstg storage temperature C -55 150
Weight g 5
Mounting torque Nm 1.2
Mounting force with clip N 20

2410121742_Littelfuse-IXYS-DSA120C150QB_C497171.pdf

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