IRGI4045DPbF

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7

Fig. 26. Maximum Transient Thermal Impedance, Junction-to-Case (DIODE)

Fig 25. Maximum Transient Thermal Impedance, Junction-to-Case (IGBT)

1E-006

1E-005

0.0001

0.001

0.01

0.1

1

t1 , Rectangular Pulse Duration (sec)

0.001

0.01

0.1

1

10

0.20

0.10

D = 0.50

0.02

0.01

0.05

SINGLE PULSE

( THERMAL RESPONSE )

Notes:

1. Duty Factor D = t1/t2

2. Peak Tj = P dm x Zthjc + Tc

Ri (°C/W)

τι (sec)

0.607824 0.000136

0.70386 0.000476

1.013851 0.019288

1.433249 0.82437

Ci

i

/Ri

Ci=

τi/Ri

τ

1E-006

1E-005

0.0001

0.001

0.01

0.1

1

t1 , Rectangular Pulse Duration (sec)

0.01

0.1

1

10

0.20

0.10

D = 0.50

0.02

0.01

0.05

SINGLE PULSE

( THERMAL RESPONSE )

Notes:

1. Duty Factor D = t1/t2

2. Peak Tj = P dm x Zthjc + Tc

Ri (°C/W)

τι (sec)

0.412651 0.000026

3.337349 0.00051

3.051205 0.006671

2.198795 0.64363

Ci

i

/Ri

Ci=

τi/Ri

τ