Ch-technology 25F(R) Series Manuel d'utilisateur télécharger pdf (Page 5)

www.vishay.com For technical questions, contact: ind-modules@vishay.com

Document Number: 93506

4 Revision: 29-Sep-08

25F(R) Series

Vishay High Power Products

Standard Recovery Diodes

(Stud Version), 25 A

Fig. 4 - Forward Power Loss Characteristics

Fig. 5 - Maximum Non-Repetitive Surge Current

Fig. 6 - Maximum Non-Repetitive Surge Current

Fig. 7 - Forward Voltage Drop Characteristics

Fig. 8 - Thermal Impedance Z

thJC

Characteristics

0255075100

Maximum Allowable Ambient Temperature (°C)

0 5 10 15 20 25 30

180°

120°

90°

60°

30°

Average Forward Current (A)

RMS Limit

Maximum Average Forward Power Loss (W)

Conduction Period

16F(R) Series

T = 175°C

100

150

200

250

300

350

110100

Peak Half Sine Wave Forward Current (A)

Number Of Equal Amplitude Half Cycle Current Pulses (N)

Initial T = 175°C

@ 60 Hz 0.0083 s

@ 50 Hz 0.0100 s

At Any Rated Load Condition And With

Rated V Applied Following Surge.

RRM

25F(R) Series

100

150

200

250

300

350

400

0.01 0.1 1 10

Peak Half Sine Wave Forward Current (A)

Pulse Train Duration (s)

Maximum Non Repeti tive Surge Current

Initial T = 175°C

No Voltage Reapplied

Rated V Reapplied

Versus Pulse Train Duration.

RRM

25F(R) Series

100

1000

0 0.5 1 1.5 2 2.5 3 3.5 4

T = 25°C

Instantaneous Forward Current (A)

Instantaneous Forward Voltage (V)

T = 175°C

25F(R) Series

0.1

0.001 0.01 0.1 1 10

Square Wave Pulse Duration (s)

thJC

Transient Thermal Impedance Z (K/W)

25F(R) Series

Steady State Value

R = 1.5 K/W

(DC Operation)

thJC

1 2 3 4 5 6 7

Commentaires sur ces manuels

Pas de commentaire

Ch-technology 25F(R) Series Manuel d'utilisateur Page 5

Commentaires sur ces manuels

Produits connexes et manuels pour Matériel Ch-technology 25F(R) Series