ST303S Series

8

Bulletin I25173 rev. C 03/03

www.irf.com

1E1

1E2

1E3

1E4

1E5

1E1

1E2

1E3

1E4

Pulse Basewid th (µs)

20 joules p er pulse

2

1

0.5

10

5

3

0.4

ST303SSeries

Sinusoidal pulse

tp

1E4

1E1

1E2

1E3

1E4

Pulse Basewidth (µs)

20 joulesp er pulse

2

1

0.5

10

5

ST303SSeries

Rec ta ngular pulse

di/d t = 50A/ µs

tp

1E1

3

0.4

Fig. 13 - Frequency Characteristics

Fig. 12 - Frequency Characteristics

1E0

1E1

1E2

1E3

1E4

1E1

1E2

1E3

1E4

100

1500

200

Pulse Basewidth (µs)

2500

400

1000

50 Hz

500

Snub ber c ircuit

R = 10 ohms

C

= 0.47 µF

V

= 80%V

s

s

D

DRM

ST303SSeries

Trapezoidal pulse

T = 40°C

di/ dt = 50A/ µs

C

1E4

2000

1E1

1E2

1E3

1E4

50 Hz

400

100

1000

1500

200

Pulse Basewidth (µs)

500

Snub ber c ircuit

R = 10 ohms

C

= 0.47 µF

V

= 80%V

s

s

D

DRM

ST303SSeries

Tra pezoidal pulse

T = 65°C

di/ dt = 50A/ µs

C

2000

1E1

1E0

1E1

1E2

1E3

1E4

1E1

1E2

1E3

1E4

50 Hz

400

2500

100

1000

1500

200

Pulse Basewidth (µs)

2000

Snub ber circ uit

R = 10 ohms

C

= 0.47 µF

V

= 80% V

s

s

D

DRM

ST303SSeries

Trapezoidal pulse

T = 40°C

di/ dt = 100A/ µs

C

tp

1E4

500

1E1

1E2

1E3

1E4

50 Hz

400

100

1000

1500

200

Pulse Basewidth (µs)

ST303SSeries

Tra pezoidal pulse

T = 65°C

di/ dt = 100A/ µs

C

Snub ber c irc uit

R = 10 ohms

C

= 0.47 µF

V

= 80%V

s

s

D

DRM

2000

tp

500

1E1

Fig. 14 - Maximum On-state Energy Power Loss Characteristics