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IRK.250, .270, .320 Series

Bulletin I27090 rev. C 05/02

Fig. 7 - Forward Power Loss Characteristics

Fig. 8 - Maximum Non-Repetitive Surge Current

Fig. 9 - Maximum Non-Repetitive Surge Current

Fig. 10 - Forward Voltage Drop Characteristics

Fig. 11 - Thermal Impedance Z

0

25

50

75

100

125

150

M aximu m A llo wa b le A m b ien t Temp era tu re ( C )

0.25 K/

W

0.0

6

K/

W

0.0

8

K/W

0.1

2 K

/W

0.16

K/W

0.35 K/W

0

200

400

600

800

1000

1200

1400

1600

1800

0

100 200 300 400 500 600 700 800

To ta l O u tp u t C urrent (A )

120

(R ect)

3 x IR K.25 0.. Series

Three Ph a se Brid ge

C o nnected

T

= 1 50 C

J

1500

2000

2500

3000

3500

4000

4500

5000

5500

6000

6500

110

100

Nu m b e r Of E q u a l Am p litu d e H a lf C y cle C u r rent Pu lses (N)

In itia l T

= 1 50 C

@ 60 H z 0.00 83 s

@ 50 H z 0.01 00 s

J

IR K.250.. Series

Per Ju n ctio n

At An y Ra te d Lo a d C o n d itio n A nd W ith

R a ted V

A p p lie d F o llo w ing Surg e.

RR M

1500

2000

2500

3000

3500

4000

4500

5000

5500

6000

6500

7000

0.01

0.1

1

Pu lse Tra in D uration (s)

M a xim um No n Re p e titive Surg e C urrent

In itial T

= 1 50 C

N o Vo ltag e R ea p p lied

Ra ted V

Rea p plied

RRM

V ersu s Pulse T ra in D u ra tio n .

J

IRK.2 50.. Series

Per Junctio n

10

100

1000

10000

0.51

1.52

2.53

3.54

T = 25 C

J

In stan ta n e o us Fo rw ard V o lta g e (V )

IRK.250 .. Series

Per Jun ctio n

T = 150 C

J

0.001

0.01

0.1

1

0.001

0.01

0.1

1

10

100

Squ are W a ve Pulse Dura tio n (s)

IRK.250.. Series

Per Junctio n

Stead y State V a lue:

R

= 0.16 K /W

(D C O pe ra tio n )

thJC