ST303S datasheet(7/9 Pages) IRF

7 / 9 page

ST303S Series

Bulletin I25173 rev. C 03/03

www.irf.com

Fig. 8 - Thermal Impedance Z

thJC

Characteristic

Fig. 9 - Reverse Recovered Charge Characteristics

Fig. 10 - Reverse Recovery Current Characteristics

Fig. 7 - On-state Voltage Drop Characteristics

100

1000

10000

456

T = 25°C

Instantaneous On-state Voltage (V)

T = 125°C

ST303SSeries

100

120

140

160

180

90 100

Rate Of Fall Of On-state Current - di/ dt (A/ µs)

= 500 A

300 A

200 A

100 A

50 A

ST303SSeries

T = 125 °C

100

120

140

160

180

200

220

240

260

280

300

320

90 100

Rate Of Fall Of On-state Current - di/ dt (A/ µs)

= 500 A

300 A

200 A

100 A

50 A

ST303SSeries

T = 125 °C

0.001

0.01

0.1

0.001

0.01

0.1

Square Wave Pulse Duration (s)

Steady State Value

= 0.10 K/ W

(DC Operation)

thJC

ST303SSeries

1E1

1E2

1E3

1E4

50 Hz

400

100

Pulse Basewidth (µs)

1000

1500

200

500

ST303SSeries

Sinusoidal pulse

T = 65°C

Snubb er circuit

R = 10 ohms

= 0.47 µF

= 80%V

DRM

1E1

1E2

1E3

1E4

1E1

1E2

1E3

1E4

50 Hz

400

2500

100

Pulse Basewidth (µs)

1000

1500

200

500

Snubb er circ uit

R = 10 ohms

= 0.47 µF

= 80%V

DRM

2000

ST303SSeries

Sinusoidal pulse

T = 40°C

1E4

Fig. 11 - Frequency Characteristics

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