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IRK.250, .270, .320 Series

Bulletin I27090 rev. C 05/02

Fig. 17 - Forward Power Loss Characteristics

Fig. 18 - Forward Power Loss Characteristics

Fig. 19 - Maximum Non-Repetitive Surge Current

Fig. 20 - Maximum Non-Repetitive Surge Current

0

25

50

75

100

125

150

0. 25 K/

W

0.4 K/W

0.0

6

K/

W

0.0

8

K/W

0.12

K/W

0.16

K/W

M a ximum A llo w a b le A m b ie n t Te mp e ra tu re ( C )

0.6 K /W

0

200

400

600

800

1000

1200

1400

1600

1800

0

100

200

300

400

500

600

180

(Sin e )

180

(R e c t)

To ta l O utp ut C urre n t (A )

2 x IRK .270.. Se rie s

Sin g le P h a se Brid g e

Co n n e c t e d

T

= 150 C

J

0

25

50

75

100

125

150

0.0

6 K

/W

0.1

K/W

0.16

K/W

0 .25 K/W

0.4 K/W

0.6 K/W

M a xim u m A llow ab le A m b ien t T e m p era ture ( C )

0.0

4

K/

W

0

300

600

900

1200

1500

1800

2100

2400

0

200

400

600

800

120

(Re c t)

Tota l O utp ut C urre n t (A )

3 x IRK .270.. Se rie s

Th re e Ph a se B rid g e

Con n e c te d

T = 150 C

J

2000

3000

4000

5000

6000

7000

8000

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 itial T

= 15 0 C

@ 6 0 Hz 0.00 83 s

@ 5 0 Hz 0.01 00 s

At Any Ra ted Lo a d Co nd itio n And W ith

Ra te d V

A p p lied Fo llo w in g Surge.

RRM

J

IRK.27 0.. Series

Per Ju nctio n

2000

3000

4000

5000

6000

7000

8000

9000

0.01

0.1

1

Pu ls e Train D u ra tio n (s)

M a xim u m N o n R e p etitiv e Surg e C urre n t

IR K.270 .. Series

Per Jun ctio n

Initia l T

= 15 0 C

N o Vo ltag e R ea p p lied

R ated V

Rea p plied

Versu s Pulse T ra in Du ra tio n .

RRM

J