Ch-technology 25F(R) Series Manual de usuario descargar pdf (Pagina 4)

Document Number: 93506 For technical questions, contact: ind-modules@vishay.com

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Revision: 29-Sep-08 3

25F(R) Series

Standard Recovery Diodes

(Stud Version), 25 A

Vishay High Power Products

Note

• The table above shows the increment of thermal resistance R

thJC

when devices operate at different conduction angles than DC

Fig. 1 - Current Ratings Characteristics Fig. 2 - Current Ratings Characteristics

Fig. 3 - Forward Power Loss Characteristics

ΔR

thJC

CONDUCTION

CONDUCTION ANGLE SINUSOIDAL CONDUCTION RECTANGULAR CONDUCTION TEST CONDITIONS UNITS

180° 0.28 0.24

= T

maximum K/W

120° 0.39 0.41

90° 0.50 0.54

60° 0.73 0.75

30° 1.20 1.21

100

110

120

130

140

150

160

170

180

0 5 10 15 20 25 30

30°

60°

90°

120°

180°

Maximum Allowable Case Temperature (°C)

Conduction Angle

Average Forward Current (A)

25F(R) Series

R (DC) = 1.5 K/W

thJC

100

110

120

130

140

150

160

170

180

0 5 10 15 20 25 30 35 40 45

30°

60°

90°

120°

180°

Maximum Al l owable Case Temperature (°C)

Conduction Period

Average Forward Current (A)

25F(R) Series

R (DC) = 1.5 K/W

thJC

0 25 50 75 100 125 150 175

Maximum Allowable Ambient Temperature (°C)

0 5 10 15 20 25 30

Average Forward Current (A)

RMS Limit

Maximum Average Forward Power Loss (W)

Conduc t ion Angle

180°

120°

90°

60°

30°

25F(R) Series

T = 175°C

1 2 3 4 5 6 7

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Ch-technology 25F(R) Series Manual de usuario Pagina 4

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