Vishay 20ETF.. Soft Recovery Series Manual do Utilizador descarregar pdf (Página 5)

Document Number: 93139 For technical questions, contact: diodes-tech@vishay.com

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Revision: 11-Jun-08 5

20ETF.. Soft Recovery Series

Fast Soft Recovery

Rectifier Diode, 20 A

Vishay High Power Products

Fig. 12 - Recovery Current Characteristics, T

= 25 °C Fig. 13 - Recovery Current Characteristics, T

= 150 °C

Fig. 14 - Thermal Impedance Z

thJC

Characteristics

3.0

0 200 400 600 800 1000

- Maximum Reverse

Recovery Charge (µC)

dI/dt - Rate of Fall of Forward Current (A/µs)

1.0

2.0

4.0

0.5

1.5

2.5

3.5

= 1 A

= 5 A

= 10 A

= 20 A

= 30 A

20ETF.. Series

= 25 °C

0 200 400 600 800 1000

- Maximum Reverse

Recovery Charge (µC)

dI/dt - Rate of Fall of Forward Current (A/µs)

20ETF.. Series

= 150 °C

= 30 A

= 20 A

= 10 A

= 5 A

= 1 A

10.0001 0.001 0.01 0.1

Square Wave Pulse Duration (s)

thJC

- Transient Thermal Impedance (K/W)

0.1

0.01

Single pulse

20ETF.. Series

Steady state value

(DC operation)

D = 0.50

D = 0.33

D = 0.25

D = 0.17

D = 0.08

1 2 3 4 5 6 7

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Vishay 20ETF.. Soft Recovery Series Manual do Utilizador Página 5

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