IRKCS220 datasheet(4/6 Pages) IRF

4 / 6 page

IRKCS220/030P

Bulletin I27255 09/06

www.irf.com

Fig. 8 - Unclamped Inductive Test Circuit

FREE-WHEEL

DIODE

40HFL40S02

CURRENT

MONITOR

HIGH-SPEED

SWITCH

IRFP460

DUT

Rg = 25 ohm

Vd = 25 Volt

(2) Formula used: T

= T

- (Pd + Pd

REV

) x R

thJC

;

Pd = Forward Power Loss = I

F(AV)

x V

@ (I

F(AV) /

D) (see Fig. 6);

REV

= Inverse Power Loss = V

x I

(1 - D); I

@ V

= 80% rated V

Fig. 5 - Max. Allowable Case Temperature

Vs. Average Forward Current

Fig. 6 - Forward Power Loss Characteristics

Average Forward Current - IF

(AV) (A)

Average Forward Current - IF

(AV) (A)

Square Wave Pulse Duration - t

p (microsec)

Fig. 7 - Max. Non-Repetitive Surge Current

100

150

200

250

300

100

120

140

160

Square wave (D=0.50)

80% rated Vr applied

see note (2)

80 100 120 140 160

100

180°

120°

90°

60°

30°

100

1000

10000

100

1000

10000

100000

At Any Rated Load Condition

And With Rated Vrrm Applied

Following Surge

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