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ZINC OXIDE VARISTORS Introduction

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Zinc Oxide Varistors<br />

Electrical Characteristics VE / VF Types<br />

MAXIMUM SURGE CURRENT (Ip)<br />

DERATING CURVES WITH PULSE WIDTH () AND FREQUENCY<br />

Ip<br />

(A)<br />

500<br />

400<br />

300<br />

200<br />

100<br />

80<br />

60<br />

40<br />

20<br />

10<br />

8<br />

6<br />

4<br />

2<br />

1<br />

2<br />

10<br />

10 2<br />

10 3<br />

10 4<br />

10 5 10 6<br />

VE13M/VF10M 40V RMS<br />

Ip<br />

(A)<br />

3.000<br />

2.000<br />

1.000<br />

800<br />

600<br />

400<br />

200<br />

100<br />

80<br />

60<br />

40<br />

20<br />

1<br />

2<br />

10<br />

10 2<br />

10 3<br />

10 4<br />

10 5<br />

10 6<br />

VE13M/VF10M >40V RMS<br />

1<br />

0.8<br />

0.6<br />

0.4<br />

10<br />

86<br />

4<br />

2<br />

0.2<br />

0.1<br />

0.08<br />

0.06<br />

20 200 2.000<br />

1<br />

0.8<br />

0.6<br />

0.4<br />

20 200 2.000<br />

Ip<br />

(A)<br />

10000<br />

VE13P/VF10P<br />

130V RMS to 625V RMS<br />

1000<br />

1<br />

2<br />

10<br />

100<br />

10 2<br />

10 3<br />

10<br />

4<br />

10 5<br />

10 6<br />

10<br />

1<br />

10 100 1000<br />

10000<br />

26

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