ISM010

PPTC/ISM Series
Features
Surface Mount Devices
Lead free device
iSurface Mount packaging for automated
rassembly
BAgency redognition:UL
Applications
Almost anywhere there is a low voltage
power supply, up to DC15V and a load
to be protested, including:
Computer mother board,Modem.USB hub
PDAs & Charger,Analog & digital line card
Digital cameras,Disk drivers, CD-ROMs
Dimensions (mm)
A
1.0
1.0
1
1 = Part identification
1.5
B
1.2
D
E
C
Product dimensions (mm)
Model
A
B
C
D
E
Min.
Max.
Min.
Max.
Min.
Max
Min.
Min.
ISM010
ISM020
2
2
2.2
2.2
1.2
1.2
1.5
1.5
0.50
0.45
1.0
1.0
0.2
0.2
0.1
0.1
ISM035
ISM050
ISM075
ISM100
ISM110
2
2
2
2
2
2.2
2.2
2.2
2.2
2.2
1.2
1.2
1.2
1.2
1.2
1.5
1.5
1.5
1.5
1.5
0.45
0.30
0.40
0.50
0.50
1.0
1.1
1.3
1.3
1.3
0.2
0.2
0.2
0.2
0.2
0.1
0.1
0.1
0.1
0.1
Environmental Specifications
Test
conditions
Resistance change
Passive aging
＋85℃,100hts
±8% typical
Humidity aging
＋85℃,85%R.H.,100hrs
±8% typical
Thermal shock
＋125℃,to-55℃,10times
±12% typical
Resistance to solvent
MIL-STD-202,Method 215
No change
Vibration
MIL-STD-202,Method 201
No change
Storage conditions:-40℃ to 85℃
REV.2015.07.01
01 | www.spsemi.cn
PPTC/ISM Series
Electrical characteristics(25℃)
Ihold
Itrip
Vmax
Imax Pd Typ Maximum Time To Trip
Resistance
Model
(A)
(A)
(Vdc)
(A)
(W)
Current
(A)
Time
(Sec)
Rimin
(Ω)
R1max
(Ω)
ISM010
ISM020
0.10
0.20
0.30
0.50
15
9
100
100
0.5
0.5
0.5
8.0
1.50
0.02
1.00
0.50
6.000
3.500
ISM035
ISM050
ISM075
ISM100
ISM110
0.35
0.50
0.75
1.00
1.10
0.75
1.00
1.50
1.95
2.20
6
6
6
6
6
100
100
40
100
100
0.5
0.5
0.6
0.6
0.6
8.0
8.0
8.0
8.0
8.0
0.10
0.10
0.20
0.30
0.30
0.25
0.15
0.09
0.06
0.06
1.200
0.850
0.385
0.230
0.210
Hold Current:Maximum current device will not trip in 25℃ still air.
Trip current:Minimum current at which the device will always trip in 25℃ still air
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℃.
Maximum resistance of device at 25℃ measured one hour after trippde tripping.
Ihold
Itrip
Vmax
Imax
Pd
Rmin/max
R1max
*CAUTION
Operation beyond the specified rating may result in damage and possible arcing.
Ihold versus tempetature
maximun ambient operating temperature(Tmao)vs.hold current(Ihold)
Model
ISM010
ISM020
ISM035
ISM050
ISM075
ISM100
—40℃
0.14
0.28
0.47
0.68
0.10
1.35
—20℃
0.12
0.25
0.44
0.62
0.90
1.25
0℃
0.11
0.23
0.39
0.55
0.79
1.15
25℃
0.10
0.20
0.35
0.50
0.75
1.00
40℃
0.08
0.17
0.30
0.40
0.63
0.82
50℃
0.07
0.14
0.27
0.37
0.57
0.74
60℃
0.06
0.12
0.24
0.33
0.53
0.65
70℃
0.05
0.10
0.20
0.29
0.41
0.55
85℃
0.03
0.07
0.14
0.23
0.34
0.42
ISM110
1.45
1.35
1.20
1.10
0.92
0.84
0.75
0.65
0.52
Thermal Derating Curve
Typical Time-To-Trip At 25°C
Derating Curves for SMD0805 Series
Average Time Current Curves
100
0.10A
0.20A
140
0.35A
Time In Seconds
Percentage of Derated
Current
160
120
100
80
60
40
0.50A
10
0.75A
1.00A
1
1.1A
0.1
20
0.01
0
-40
-20
0
20
40
60
80
0.1
1
10
Temperature (°C)
Current In Amperes
Package Information
Reel:
ISM010～ISM 050
ISM075 ～ ISM110
REV.2015.07.01
5000pcs/Reel
4000pcs/Reel
02 | www.spsemi.cn