B43455A5158M Просмотр технического описания (PDF) - EPCOS AG

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Компоненты Описание

производитель

B43455A5158M

Uninterruptible power supplies

EPCOS AG 

B43455 / B43457

Standard – 85 °C

Useful life

depending on ambient temperature TA (for natural cooling) and versus temperature of case base TB

(for base cooling) under ripple current operating conditions1)

3,0

Ι~

Ι ~R

;

Ι

Ι~

~R (B)

B43455/457

KAL0526-9

2,0

1,5

1,0

0,5

0

40

50

60

70

80

Frequency factor of

permissible ripple current I~

versus frequency f

1,5

Ι

~

f

Ι

~

100

Hz

B43455/457

KAL0394-V

90 ˚C 100

TA; TB

1,3

c

b

1,2

a

1,1

1,0

0,9

0,8

5

10 2

d (mm)

Curve

5

10 3 Hz 2

f

51,6 64,3 76,9 91,0

c

b

a

c

1) The ripple current refers to I~R for natural cooling or to I~R(B) for base cooling, respectively.

Refer to page 40 for an explanation on how to interpret the useful life graphs.

123 10/02

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