IRFN450 Device

Fig. 12c — Max. Avalanche Energy vs. Current

Fig. 13a — Gate Charge Test Circuit

Fig. 12a — Unclamped Inductive Test Circuit

Fig. 12b — Unclamped Inductive Waveforms

0.001

0.01

0.1

1

0.00001

0.0001

0.001

0.01

0.1

1

Notes:

1. Duty factor D = t

/ t

2. Peak T = P

x Z

+ T

1

2

J

DM

thJC

C

P

t

t

DM

1

2

t , Rectangular Pulse Duration (sec)

1

0.01

0.02

0.05

0.10

0.20

0.50

SINGLE PULSE

(THERMAL RESPONSE)

Fig. 11 — Maximum Effective Transient Thermal Impedance, Junction-to-Case Vs. Pulse Duration

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