SI4974DY datasheet(6/9 Pages) VISHAY

Part #	SI4974DY

Description	Dual N-Channel 30-V (D-S) MOSFET

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Manufacturer	VISHAY [Vishay Siliconix]

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Document Number: 73052

S09-0228-Rev. D, 09-Feb-09

Vishay Siliconix

Si4974DY

CHANNEL-2 TYPICAL CHARACTERISTICS

25 °C, unless otherwise noted

Output Characteristics

On-Resistance vs. Drain Current

Gate Charge

0

5

10

15

20

25

30

35

40

0

1234

5

VGS = 10 thru 6 V

5 V

VDS - Drain-to-Source Voltage (V)

4 V

0.00

0.02

0.04

0.06

0.08

0.10

0

5

10

15

20

25

30

35

40

I - Drain Current (A)

D

VGS = 4.5 V

VGS = 10 V

0

1

2

3

4

5

6

0.0

0.5

1.0

1.5

2.0

2.5

3.0

3.5

4.0

4.5

VDS = 15 V

ID = 6 A

Qg - Total Gate Charge (nC)

Transfer Characteristics

Capacitance

On-Resistance vs. Junction Temperature

0

5

10

15

20

25

30

35

40

0

123

456

TC = 125 °C

- 55 °C

25 °C

VGS - Gate-to-Source Voltage (V)

0

50

100

150

200

250

300

350

400

450

500

550

0

5

10

15

20

25

30

VDS - Drain-to-Source Voltage (V)

Crss

Coss

Ciss

0.6

0.8

1.0

1.2

1.4

1.6

- 50

- 25

0

25

50

75

100

125

150

VGS = 10 V

ID = 6 A

TJ - Junction Temperature (°C)

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SI4974DY Datasheet(PDF) 6 Page - Vishay Siliconix

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