2SK3418

Rev.2.00 Sep. 10, 2004 page 5 of 7

0

0.4

0.8

1.2

1.6

2.0

Pulse Test

V

= 0, – 5 V

GS

10 V

5 V

100

80

60

40

20

D. U. T

Rg

I

Monitor

AP

V

Monitor

DS

50

Ω

Vin

15 V

0

L

E

=

• L • I

•

2

1

V

V

– V

AR

AP

DSS

DSS

DD

2

400

320

240

160

80

25

50

75

100

125

150

0

AP

DD

I

= 60 A

V

= 15 V

duty < 0.1 %

Rg > 50

Ω

Source to Drain Voltage

Reverse Drain Current vs.

Source to Drain Voltage

Channel Temperature Tch (

°C)

Maximum Avalanche Energy vs.

Channel Temperature Derating

Avalanche Test Circuit

Avalanche Waveform

3

1

0.3

0.1

0.03

0.01

10

µ

100

µ

1 m

10 m

100 m

1

10

DM

P

PW

T

D =

PW

T

θch – c(t) = γs (t) • θch – c

θch – c = 1.14°C/W, Tc = 25°C

Tc = 25

°C

D = 1

0.5

0.2

0.1

0.05

0.02

0.01

1shot

pul

se

Pulse Width PW (S)

Normalized Transient Thermal Impedance vs. Pulse Width