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Document Number: 72913

S-51566-Rev. B, 07-Nov-05

Vishay Siliconix

Si7478DP

New Product

TYPICAL CHARACTERISTICS 25 °C, unless noted

Threshold Voltage

- 1.0

- 0.8

- 0.6

- 0.4

- 0.2

- 0.0

0.2

0.4

0.6

- 50

- 25

0

25

50

75

100

125

150

Single Pulse Power, Junction-to-Ambient

0.01

0

10

80

100

20

600

0.1

Time (sec)

60

40

1

100

Safe Operating Area

100

1

0.1

1

10

100

0.01

10

Single Pulse

P(t) = 10

dc

0.1

Limited

Limited

P(t) = 1

P(t) = 0.1

P(t) = 0.01

P(t) = 0.001

Normalized Thermal Transient Impedance, Junction-to-Ambient

1

10

600

100

2

1

0.1

0.01

0.2

0.1

0.05

0.02

Single Pulse

Duty Cycle = 0.5

Square Wave Pulse Duration (sec)

1. Duty Cycle, D =

Notes:

4. Surface Mounted