Littelfuse SMOV25S Varistor Series Manual de usuario descargar pdf (Pagina 5)

241

Revised: May 8, 2013

Varistor Products

Speciﬁcations are subject to change without notice.

Please refer to www.littelfuse.com/series/smov25s.html for current information.

SMOV25S Varistor Series

Thermally Protected Varistors > SMOV25S Series

SMOV25S Series

Product Dimensions

31Max

36Max

16.5Max

2±0.3

3.5±0.2

3*0.6±0.2

0.3±0.2

1.3±0.3

9Min

10Min

1.4±0.2

0.5±0.2

8.5±0.5

2.5±0.3

4.0±1.2

13.4±0.2

LF 9

SMOV25S321MP

114 8

3.5±0.2

Application Example

Thermal

disconnect

MOV

S1 ON

S3 Common

S2 OFF

Primary side

Secondary side

Galvanic isolation

To Protected Circuit

Note: EXAMPLE ONLY - Connection to S2-S3 and S1-S3

depends on customer indication circuit and can vary.

LED

* LED is off when the product is normal(S1,S3 connected),

LED is on when the product disconect opens(switch change

status; S2,S3 connected as shown by dotted line ).

Thermal

disconnect

MOV

S1 ON

(Normal Close)

S3 Common

S2 OFF

(Normal open)

Primary side

Secondary side

Galvanic isolation

LF9

SMOVXXS321MP

1209

S2 S3 S1

Lead Conﬁguration

SMOV Switch Voltage DC Current (Amps) Contact Resistance Max. Insulation Resistance Min.

Dialectric Strength

0.5mA/Minute

Switch 12V 0.1A 70m 100M 500VAC

Switch Speciﬁcation

1 2 3 4 5 6

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