Littelfuse TCMOV Varistor Series Manuel d'utilisateur télécharger pdf (Page 3)

233

Revised: January 16, 2014

Varistor Products

Speciﬁcations are subject to change without notice.

Please refer to www.littelfuse.com/series/tcmov34s.html for current information.

TCMOV Varistor Series

Thermally Protected Varistors > TCMOV Series

Hi–EnErgy MoV’s

TCMOV Series

Pulse Rating Curve

FIGURE 6. SURGE CURRENT RATING CURVES FOR

HB34, HF34 and HG34

TCMOV34

50,000

20,000

10,000

5,000

2,000

1,000

500

200

100

20 100 1,000 10,000

SURGE CURRENT (A)

IMPULSE DURATION (µs)

INDEFINITE

Peak Current & Energy Derating Curve

V–I Characteristic Curves for TCMOV Varistor

1000

10000

1mA 10mA 100mA 1A 10A100A 10000A 100000A

TA = -55 C to 85C

V551

V511

V321 V271

V251

V201

V181

V151

V111

V131

V301

V461

V421

100

1000A

Maximum Clamping Voltage

TCMOV34S series

Current - AMPS

Voltage -

VOLTS

Forapplicationsexceeding75ºCambienttemperature,thepeak

surge current and energy ratings must be reduced as shown.

Figure 1

Figure 2

Figure 3

100

-45506070

90 100110 120130

AMBIENT TEMPERATURE (ºC)

PERCENT OF RATED VALUE

1 2 3 4 5 6

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Littelfuse TCMOV Varistor Series Manuel d'utilisateur Page 3

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