B80K385 View Datasheet(PDF) - EPCOS AG

Part Name

Description

Manufacturer

B80K385

SIOV metal oxide varistors

EPCOS AG 

Block varistors

HighE series

Derating curves

Maximum surge current imax = f (tr, pulse train)

For explanation of the derating curves refer to “General technical information”, section 1.8.1

10 5

i max A

10 4

5

1x

10

10 3

102

5

103

VAR0092-8

i max

tr

10 2

104

5

105

106

10 1

5

10

0

10

1

5

10 2

SIOV-B40K230 … K460

5

10 3

5 µs 104

tr

10 5

i max A

10 4

5

1x

10

10 3

102

5

103

10 2

104

5

105

106

10 1

5

10 0

10 1

5

10 2

SIOV-B40K550 … K750

Please read Cautions and warnings and

Important notes at the end of this document.

5

10 3

15 11/07

VAR0093-G

i max

tr

5 µs 104

tr

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