Overcurrent protection device
Trustworthy electronic circuit protection expert
1812 Series
Thermal Deration Chart-Ihold
Maximum ambient operating temperature Vs.hold current
MODEL
-40℃
0.16
0.23
0.29
0.44
0.59
1.10
1.60
2.00
2.30
2.10
2.88
3.90
4.15
4.84
-20℃
0.14
0.19
0.26
0.39
0.57
0.99
1.45
1.75
2.05
1.96
2.61
3.42
3.76
4.39
0℃
25℃
0.11
0.14
0.20
0.30
0.50
0.75
1.10
1.25
1.50
1.60
2.00
2.60
3.00
3.50
40℃
0.08
0.12
0.17
0.26
0.45
0.63
0.92
1.00
1.23
1.26
1.80
2.33
2.55
2.98
50℃
0.07
0.10
0.15
0.23
0.43
0.57
0.83
0.95
1.09
1.12
1.66
2.07
2.28
2.66
60℃
0.06
0.09
0.14
0.21
0.35
0.49
0.71
0.90
0.95
0.98
1.45
1.94
2.01
2.35
70℃
0.05
0.08
0.12
0.18
0.30
0.45
0.66
0.75
0.82
0.84
1.09
1.35
1.61
1.88
85℃
0.03
0.06
0.10
0.15
0.23
0.35
0.52
0.53
0.61
0.63
0.80
1.00
1.33
1.55
SMD1812-010
SMD1812-014
SMD1812-020
SMD1812-030
SMD1812-050
SMD1812-075
SMD1812-110
SMD1812-125
SMD1812-150
SMD1812-160
SMD1812-200
SMD1812-260
SMD1812-300
SMD1812-350
0.12
0.17
0.23
0.35
0.55
0.87
1.28
1.52
1.77
1.88
2.25
2.96
3.46
4.04
Test Procedures and Requirements
Test
Test Conditions
Accept/Reject Criteria
Resistance
Rmin≤R≤R1max
In still air @ 25℃
Time to Trip
Hold Current
Trip Cycle Life
Trip Endurance
Vmax, 25℃, In still air @ 25℃
30 min. at IH, In still air @ 25℃
T≤max. time to trip(seconds)
No trip
No arcing or burning
No arcing or burning
Vmax, Imax, 100 cycles, In still air @ 25℃
Vmax, 1 hours, In still air @ 25℃
Environmental Specifications
Operating/Storage Temperature
-40℃ to +85℃
Maximum Device Surface Temperature in Tripped 125℃
State
Passive Aging
Humidity Aging
Thermal Shock
Passive Aging +85℃,1000 hours ±5% typical resistance change
+85℃, 85%R.H. 1000 hours ±5% typical resistance change
MIL-STD-202 Method 107G
+85℃/-40℃ 20 times
-30% typical resistance change
No change
Solvent Resistance
Vibration
MIL-STD-202, Method 215
MIL-STD-883C, Method 2007.1, Condition A
No change
3
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Rev:19.3