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VS-HFA140FA120 www.vishay.com Vishay Semiconductors HEXFRED® Ultrafast Soft Recovery Diode, 140 A FEATURES • Fast recovery time characteristic • Electrically isolated base plate • Large creepage distance between terminal • Simplified mechanical designs, rapid assembly • Designed and qualified for industrial level • UL approved file E78996 SOT-227 • Material categorization: For definitions of compliance please see www.vishay.
VS-HFA140FA120 www.vishay.com Vishay Semiconductors DYNAMIC RECOVERY CHARACTERISTICS (TJ = 25 °C unless otherwise specified) PARAMETER SYMBOL TEST CONDITIONS IF = 1 A; dIF/dt = 200 A/μs; VR = 30 V Reverse recovery time, per leg Peak recovery current, per leg trr IRRM Reverse recovery charge, per leg Qrr Junction capacitance, per leg CT MIN. TYP. MAX.
VS-HFA140FA120 Vishay Semiconductors 10 000 1000 TJ = 150 °C IR - Reverse Current (µA) IF - Instantaneous Forward Current (A) www.vishay.com 100 TJ = 150 °C TJ = 125 °C TJ = 25 °C 10 1 0.5 1000 TJ = 125 °C 100 10 1 TJ = 25 °C 0.1 0.01 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 0 5.0 200 400 600 800 1000 1200 VFM - Forward Voltage Drop (V) VR - Reverse Voltage (V) Fig. 1 - Typical Forward Voltage Drop Characteristics Fig. 2 - Typical Values of Reverse Current vs.
VS-HFA140FA120 Vishay Semiconductors 300 175 IF = 50 A VR = 200 V 150 250 125 TJ = 125 °C 100 trr (ns) Allowable Case Temperature (°C) www.vishay.com DC 75 Square wave (D = 0.50) 80 % rated VR applied 50 150 TJ = 25 °C 100 25 0 0 20 40 60 80 100 50 100 120 1000 IF(AV) - Average Forward Current (A) dIF/dt (A/µs) Fig. 5 - Maximum Allowable Case Temperature vs. Average Forward Current Fig. 7 - Typical Reverse Recovery Time vs.
VS-HFA140FA120 www.vishay.com Vishay Semiconductors VR = 200 V 0.01 Ω L = 70 μH D.U.T. dIF/dt adjust D IRFP250 G S Fig. 10 - Reverse Recovery Parameter Test Circuit (3) trr IF ta tb 0 Qrr (2) IRRM (4) 0.5 IRRM dI(rec)M/dt (5) 0.75 IRRM (1) dIF/dt (1) dIF/dt - rate of change of current through zero crossing (2) IRRM - peak reverse recovery current (3) trr - reverse recovery time measured from zero crossing point of negative going IF to point where a line passing through 0.75 IRRM and 0.
VS-HFA140FA120 www.vishay.
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