October 10, 2012

7

IRGS4045DPbF

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

1E-006

1E-005

0.0001

0.001

0.01

0.1

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



J



J



1



1



2



2



3



3

R

1

R

1

R

2

R

2

R

3

R

3

Ci

i

Ri

Ci=

iRi





C



4



4

R

4

R

4

Ri (°C/W)

i (sec)

0.0301

0.000004

0.7200

0.000067

0.7005

0.000898

0.4479

0.005416

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

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



J



J



1



1



2



2



3



3

R

1

R

1

R

2

R

2

R

3

R

3

Ci

i

Ri

Ci=

iRi





C



4



4

R

4

R

4

Ri (°C/W)

i (sec)

0.2056

0.000019

1.4132

0.000095

3.3583

0.001204

1.8245

0.009127