IRGP50B60PD1

www.irf.com

7

Fig. 24. Maximum Transient Thermal Impedance, Junction-to-Case (DIODE)

Fig 23. 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)

τi (sec)

0.363

0.000112

0.864

0.001184

0.473

0.032264

τ

J

τ

J

τ

1

τ

1

τ

2

τ

2

τ

3

τ

3

R

1

R

1

R

2

R

2

R

3

R

3

τ

τ

C

Ci

τi/Ri

Ci=

τi/Ri

1E-006

1E-005

0.0001

0.001

0.01

0.1

1

10

t1 , Rectangular Pulse Duration (sec)

0.0001

0.001

0.01

0.1

1

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)

τi (sec)

0.157

0.000346

0.163

4.28

τ

J

τ

J

τ

1

τ

1

τ

2

τ

2

R

1

R

1

R

2

R

2

τ

τ

C

Ci

i

/Ri

Ci=

τi/Ri

1

10

100

1000

10000

VCE , Collector-to-Emitter Voltage (V)

0.01

0.1

1

10

100

1000

Tc = 25°C

Tj = 150°C

Single Pulse

1msec

10msec

100µsec