IRGS/B4615DPbF

7

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October 25, 2013

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

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

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

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

Ri (°C/W)

τι (sec)

0.555579 0.000216

0.590565 0.00117

0.365255 0.009076

τ

2

R

1

R

1

R

2

R

2

R

3

R

3

τ

τ

C

Ci=

τi/Ri

Ci=

τi/Ri

Ri (°C/W)

τι (sec)

0.821094 0.000233

1.913817 0.001894

0.926641 0.014711

τ

J

τ

3

R

1

R

1

R

2

R

2

R

3

R

3

τ

Ci=

τi/Ri

Ci=

τi/Ri