Ch-technology 240NQ045PbF Uživatelský manuál stáhnout pdf (Strana 5)

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

Document Number: 94462

4 Revision: 06-May-08

240NQ045PbF

Vishay High Power Products

Schottky Rectifier, 240 A

Fig. 5 - Maximum Allowable Case Temperature vs.

Average Forward Current

Fig. 6 - Forward Power Loss Characteristics

Fig. 7 - Maximum Non-Repetitive Surge Current

Fig. 8 - Unclamped Inductive Test Circuit

Note

(1)

Formula used: T

= T

- (Pd + Pd

REV

) x R

thJC

;

Pd = Forward power loss = I

F(AV)

x V

at (I

F(AV)

/D) (see fig. 6);

REV

= Inverse power loss = V

x I

(1 - D); I

at V

= Rated V

Average Forward Current - I

F (AV)

(A)

Allowable Case Temperature (°C)

0 50 100 150 200 250 300

100

120

140

160

Square wave (D=0.50)

80% rated Vr applied

see note (1)

Average Forward Current - I

F (AV)

(A)

Average Power Loss (Watts)

0 50 100 150 200 250 300 350

100

150

200

250

D = 0.20

D = 0.25

D = 0.33

D = 0.50

D = 0.75

RMS limit

Square Wave Pulse Duration - t

(microsec)

Non-Repetitive Surge Current - I

FSM

(A)

1000

10000

100000

10 100 1000 10000

At Any Rated Load Condition

And With Rated V Ap plied

Fo l l o w in g Su r g e

RRM

Current

monitor

High-speed

switch

D.U.T.

= 25 Ω

Freewheel

diode

= 25 V

IRFP460

40HFL40S02

1 2 3 4 5 6 7

Komentáře k této Příručce

Žádné komentáře

Ch-technology 240NQ045PbF Uživatelský manuál Strana 5

Komentáře k této Příručce

Související produkty a manuály pro Hardware Ch-technology 240NQ045PbF