Ch-technology SD853C..S50K Series Bedienungsanleitung PDF herunterladen (Seite 5)

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Revision: 14-May-08 5

SD853C..S50K Series

Fast Recovery Diodes

(Hockey PUK Version), 990 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 - Typical Forward Recovery Characteristics

4000

6000

8000

10000

12000

14000

16000

18000

110100

Number Of Equal Amplitude Half Cycle Current Pulses (N)

Peak Ha lf Sine Wave Forward Current (A)

SD853C..S50K Series

Init ial T = 125 °C

@ 60 Hz 0.0083 s

@ 50 Hz 0.0100 s

At Any Rated Load Condition And With

50% Rated V Applied Following Surge

RRM

4000

6000

8000

10000

12000

14000

16000

18000

20000

0.01 0.1 1

Pulse Tra in Dura t io n ( s)

Maximum Non Repetitive Surge Current

Pea k Half Sine Wave Forward Current (A)

SD853C..S50K Series

Initia l T = 125°C

Versus Pulse Tra in Duration.

No Voltage Reapplied

50% Rated V Reapplied

RRM

100

1000

10000

123456789

T = 2 5 ° C

Instantaneous Forward Voltage (V)

Instantaneous Forward Current (A)

T = 1 2 5 ° C

SD853C..S50K Series

0.0001

0.001

0.01

0.1

0.001 0.01 0.1 1 10 100

Sq u a r e W a v e Pu l se D u r a t i o n ( s)

thJ-hs

Transient Thermal Imp edance Z (K/ W)

Steady State Value

R = 0.04 K/ W

(Single Side Cooled)

R = 0.02 K/ W

(Double Side Cooled)

(DC Operation)

thJ-hs

SD853C..S50K Serie s

100

150

200

250

300

0 200 400 600 800 1000 1200 1400 1600 1800 2000

Forward Recovery (V)

T = 125°C

T = 2 5 ° C

SD853C..S50K Series

Ra t e O f Rise O f Fo rw a rd C u rr e n t - d i / d t ( A / u s)

1 2 3 4 5 6 7 8 9

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