Littelfuse TMOV 25S Varistor Series Manual de usuario descargar pdf (Pagina 3)

217

Revised: May 8, 2013

Varistor Products

TMOV

25S Varistor Series

Radial Lead Varistors > TMOV

25S Series

Speciﬁcations are subject to change without notice.

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

TMOV

25S Series

Typical time to open circuit under UL 1449 Abnormal

Overvoltage Limited Current Test:

Thermal Characteristics

0.1

10 100 1000 10000

Current (A)

10 A

5 A

2.5 A

0.5 A

Time (secs)

Typical

100

- 55 506070

90 100 110 120 130

AMBIENT TEMPERATURE (ºC)

PERCENT OF RATED VALUE

Current, Energy, Power Derating Curve

100

1000

10000

10µA 100µA 1mA 10mA 100mA 1A 10A 100A 1000A 10000A 100000A

Peak Current

Maximum Peak Voltage (V)

750

625

550

510

460

440

385

420

11 5

130

140

150

175 230

250

275

300

320

Transient V–I Characteristic Curves

For applications exceeding 85ºC ambient temperature, the

peak surge current and energy ratings must be reduced

as shown below.

Figure 1

Figure 2

Figure 3

1 2 3 4 5 6 7

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Littelfuse TMOV 25S Varistor Series Manual de usuario Pagina 3

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