Ch-technology SD803C..C Series Bedienungsanleitung PDF herunterladen (Seite 5)

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Revision: 04-Aug-08 5

SD803C..C Series

Fast Recovery Diodes

(Hockey PUK Version), 845 A

Vishay High Power Products

Fig. 7 - Maximum Non-Repetitive Surge Current

Single and Double Side Cooled

Fig. 8 - Maximum Non-Repetitive Surge Current

Single and Double Side Cooled

Fig. 9 - Forward Voltage Drop Characteristics

Fig. 10 - Thermal Impedance Z

thJ-hs

Characteristics

Fig. 11 - Recovery Time Characteristics

Fig. 12 - Recovery Charge Characteristics

4000

5000

6000

7000

8000

9000

10000

110100

Number Of Equal Amplitude Half Cycle Current Pulses (N)

Pe a k Ha lf Sine Wa v e Fo rw a rd Cu rre n t ( A)

Initia l T = 125°C

@ 60 Hz 0.0083 s

@ 50 Hz 0.0100 s

At Any Rated Load Condition And With

Rated V Applied Following Surge.

RRM

SD 8 0 3 C . . C Se r i e s

3000

4000

5000

6000

7000

8000

9000

10000

11000

12000

0.01 0.1 1

Pulse Train Duration (s)

Peak Half Sine Wave Forward Current (A)

Versus Pulse Train Duration.

Maximum Non Repetitive Surge Current

Initial T = 125°C

No Voltage Reapplied

Ra t e d V Re a p p li e d

RRM

SD803C..C Se ries

100

1000

10000

00.511.522.533.544.5

T = 2 5 ° C

Instantaneous Forward Voltage (V)

Insta nt a neous Forw a rd Current (A)

T = 125°C

SD 8 0 3 C . . C Se r i e s

0.001

0.01

0.1

0.001 0.01 0.1 1 10 100

Squa re Wave Pulse Dura tion (s)

thJ-hs

Transient Thermal Impedance Z (K/ W)

St e a d y St a t e V a l u e

R = 0.076 K/ W

(Single Side Cooled)

R = 0.038 K/ W

(Double Side Cooled)

(DC Operation)

thJ-hs

SD 8 0 3 C . . C Se r i e s

1.6

1.7

1.8

1.9

2.1

2.2

00101

Ra t e Of Fa ll O f Forwa rd Current - d i/ d t (A/ µs)

Ma xim um Reverse Rec o ve ry Tim e - Trr (µs)

I = 1000 A

Sq u a r e Pu l se

500 A

250 A

SD 8 0 3 C . . S1 0 C Se r i e s

T = 125 °C; V = 30V

100

110

120

130

10 20 30 40 50 60 70 80 90 100

Maximum Reverse Recovery Charge - Qrr (µC)

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

I = 1000 A

Sq u a r e Pu l s e

500 A

250 A

SD 8 0 3 C . . S1 0 C Se r i e s

T = 125 °C; V = 30V

1 2 3 4 5 6 7 8

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