Model

Ihold

Itrip

Vmax

Imax

Pd max

Current

Time

Rmin

Rmax

(A)

(A)

(Vdc)

(A)

(w)

(A)

(S)

(

Ω)

(

Ω)

ISM010

0.10

0.30

15

100

0.5

0.5

1.5

1.000

6.000

ISM020

0.20

0.50

9

100

0.5

8.0

0.02

0.650

3.500

ISM035

0.35

0.75

6

100

0.5

8.0

0.1

0.250

1.200

ISM050

0.50

1.00

6

100

0.5

8.0

0.1

0.150

0.850

ISM075

0.75

1.50

6

40

0.6

8.0

0.2

0.090

0.385

ISM100

1.00

1.95

6

100

0.6

8.0

0.3

0.060

0.230

Ihold

Itrip

Vmax

Imax

Pd

Rmin/max

R1max

*CAUTION

Model

—40℃

—20℃

0℃

25℃

40℃

50℃

60℃

70℃

85℃

ISM010

0.14

0.12

0.11

0.10

0.08

0.07

0.06

0.05

0.03

ISM020

0.28

0.25

0.23

0.20

0.17

0.14

0.12

0.10

0.07

ISM035

0.47

0.44

0.39

0.35

0.30

0.27

0.24

0.20

0.14

ISM050

0.68

0.62

0.55

0.50

0.40

0.37

0.33

0.29

0.23

ISM075

0.10

0.90

0.79

0.75

0.63

0.57

0.53

0.41

0.34

ISM100

1.35

1.25

1.15

1.00

0.82

0.74

0.65

0.55

0.42

Maximum Time To Trip

Resistance

Hold Current:Maximum current device will not trip in 25℃ still air.

Maximum resistance of device at 25℃ measured one hour after trippde tripping.

Operation beyond the specified rating may result in damage and possible arcing.

Maximum operating volatge device can withstand without damage at ratde current(imax).

Maximum fault current device can withstand without damage at rated voltage(Vmax).

Typical power dissipatde from device when in the tripped state in 25℃ still air.

Minimum/Maximum device resistance prior to tripping at 25℃.

ISM075

ISM125

Ihold versus tempetature

Electrical characteristics(25℃)

maximun ambient operating temperature(Tmao)vs.hold current(Ihold)

Package Information

Reel:

ISM010～

050

Trip current:Minimum current at which the device will always trip in 25℃ still air

Thermal Derating Curve

Typical Time-To-Trip At 25°C

Derating Curves for SMD0805 Series

0

20

40

60

80

100

120

140

160

-40

-20

0

20

40

60

80

Temperature (°C)

Average Time Current Curves

0.01

0.1

1

10

100

0.1

1

10

Current In Amperes

0.10A

0.20A

0.35A

0.50A

0.75A

1.00A

1.1A

ISM125

1.25

2.50

6

100

1.5

8.0

0.6

0.030

0.140

ISM125

1.65

1.53

1.36

1.25

1.05

0.95

0.85

0.74

0.59

ISM110

1.10

2.20

6

100

0.6

8.0

0.3

0.060

0.210

ISM110

1.45

1.35

1.20

1.10

0.92

0.84

0.75

0.65

0.52

4000pcs/Reel

5000pcs/Reel

PPTC/ISM Series

02 | www.spsemi.cn

～

REV.2014.05.01

ISM