IRK320 datasheet(9/11 Pages) IRF

9 / 11 page

www.irf.com

IRK.250, .270, .320 Series

Bulletin I27090 rev. C 05/02

Fig. 21 - Forward Voltage Drop Characteristics

Fig. 22 - Thermal Impedance Z

thJC Characteristics

Fig. 23 - Current Ratings Characteristics

Fig. 24 - Current Ratings Characteristics

100

1000

10000

0.51

1.52

2.53

3.54

T = 25 C

In stan ta n e o us F o rw ard V o ltag e (V )

T = 150 C

IRK.270.. Series

Per Junctio n

0.001

0.01

0.1

0.001

0.01

0.1

100

Squ a re W a ve Pulse D ura tio n (s)

Ste a d y Sta te V a lue :

= 0.45 K /W

(D C O p e ra tio n )

thJC

IR K.270.. Series

Per Jun ctio n

100

110

120

130

140

150

100

150

200

250

300

350

120

180

Cond uc tio n Ang le

Avera ge Fo rw ard C urrent (A )

IRK .320.. Se rie s

(D C ) = 0.125 K /W

thJ C

100

110

120

130

140

150

100

200

300

400

500

600

120

180

C ond uction P e riod

Averag e Fo rw ard C urrent (A )

IRK .320.. Se rie s

(D C ) = 0.125 K /W

thJC

Fig. 25 - Forward Power Loss Characteristics

Fig. 26 - Forward Power Loss Characteristics

100

150

200

250

300

350

400

100

150

200

250

300

350

A ve rag e Fo rw ard C urre n t (A )

RM S Lim it

Cond uc tio n A n g le

180

120

IRK .320.. Se rie s

T = 150 C

100

150

200

250

300

350

400

450

500

100

200

300

400

500

600

180

120

RMS Lim it

Cond u c tion Pe riod

A ve rag e Fo rw ard C u rre n t (A )

IRK.32 0.. Series

Per Jun ctio n

= 150 C

IRK320 Datasheet(PDF) 9 Page - International Rectifier

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