®
POLYFUSE RESETTABLE FUSES
Specifications
SMD Type, 6 V - 60 V
UL 1434 1st Edition
CSA C22.2 No. 0 CSA TIL No. CA-3A
Approvals
cULus Recognition
TÜV
SMD1812
Packaging
Standard
formerly No. 729
A
Blistertape and reel Ø 178 mm
Materials
Terminals:
Solder-plated copper
TS: Solder Material: 63/37 SnPb
TF: Lead free plating on request
Max. Device Surface Temperature in Tripped State
125 °C
Features
This product line is also designed for surface-
mount applications. The products with 1812-mil
footprint range in hold currents from 0.1 A to
2.6 A and voltage from 6 V to 60 V. These devices
are suited for PC mother board, computer periph-
eral products and general electronics applications.
Suitable for reflow soldering.
Operating / Storage Temperature
-40 ºC to +85 ºC (consider derating)
Humidity Ageing
+85 °C, 85 % R.H., 1000 hours, ± 5 % typical
resistance change
Vibration
MIL-STD-883C, Method 2007.1, Condition A,
no change
WebLinks
Further info see:
Thermal Shock
www.wickmanngroup.com
MIL-STD-202F, Method 107G
+85 °C to -40 °C 20 times, -30 % typical resistance
change
Further application info see fuseology:
www.wickmanngroup.com/download/fuseology.pdf
Solderability
Dimensions (mm)
Solder pad Layout (mm)
Meets EIA Specification RS186-9E,
ANSI/J-STD-002, Category 3
Reflow only
3.45
Solvent Resistance
MIL-STD-202, Method 215, no change
Marking
3.15
“P”, Part Code
1.78
1.78
Dimensions (mm)
Model
A
B
C
D
Min
E
packaging quantity
tape
Min Max
Min Max
Min Max
Min Max
1,500
1,500
2,000
2,000
2,000
1,500
2,000
1,500
1,500
1,500
1,500
1,500
1,500
1,500
1,000
SMD1812P010TS/TF
SMD1812P014TS/TF
SMD1812P020TS/TF
SMD1812P050TS/TF
SMD1812P075TS/TF
SMD1812P075TS/TF/24
SMD1812P110TS/TF
SMD1812P110TS/TF/15
SMD1812P110TS/TF/16
SMD1812P125TS/TF
SMD1812P150TS/TF
SMD1812P160TS/TF
SMD1812P160TS/TF/8
SMD1812P200TS/TF
SMD1812P260TS/TF
4.37 4.73
4.37 4.73
4.37 4.73
4.37 4.73
4.37 4.73
4.374.73
4.37 4.73
4.374.73
4.374.73
4.37 4.73
4.37 4.73
4.37 4.73
4.37 4.73
4.37 4.73
4.37 4.73
3.07 3.41
3.07 3.41
3.07 3.41
3.07 3.41
3.07 3.41
3.07 3.41
3.07 3.41
3.07 3.41
3.07 3.41
3.07 3.41
3.07 3.41
3.07 3.41
3.07 3.41
3.07 3.41
3.07 3.41
0.75 1.25
0.75 1.95
0.55 1.00
0.50 0.75
0.50 0.75
0.75 1.55
0.50 0.75
0.75 1.25
0.75 1.25
0.75 1.25
0.75 1.25
0.75 1.25
0.75 1.25
0.75 1.55
1.00 1.60
0.30
0.30
0.30
0.30
0.30
0.30
0.30
0.30
0.30
0.30
0.30
0.30
0.30
0.30
0.30
0.25 0.65
0.25 0.65
0.25 0.65
0.25 0.50
0.25 0.50
0.25 0.65
0.25 0.50
0.25 0.65
0.25 0.65
0.25 0.50
0.25 0.50
0.25 0.65
0.25 0.65
0.25 0.50
0.25 0.50
Permissible continuous operating current is ≤ 100 % at ambient temperature of 20 ºC (68 ºF).
Model
(A)
Ihold
(A)
ITrip
(A)
Vmax. dc
(V)
Imax.
(A)
max. time to trip
(s @ A)
Pd max.
(W)
Resistance
Rmin.(Ω) Rtyp.(Ω) RI max.(Ω)
Approvals
SMD1812P010TS/TF
SMD1812P014TS/TF
SMD1812P020TS/TF
SMD1812P050TS/TF
SMD1812P075TS/TF
SMD1812P075TS/TF/24
SMD1812P110TS/TF
SMD1812P110TS/TF/15*
SMD1812P110TS/TF/16
SMD1812P125TS/TF
SMD1812P150TS/TF
SMD1812P160TS/TF
SMD1812P160TS/TF/8
SMD1812P200TS/TF
SMD1812P260TS/TF
0.10
0.30
30
60
30
15
13.2
24
6
15
16
15
6
10
10
10
40
40
40
40
40
40
40
40
40
40
40
40
1.50 @ 0.50
0.15 @ 1.50
0.02 @ 8.00
0.15 @ 8.00
0.20 @ 8.00
0.20 @ 8.00
0.30 @ 8.00
0.50 @ 8.00
0.50 @ 8.00
0.40 @ 8.00
0.50 @ 8.00
1.00 @ 8.00
1.00 @ 8.00
2.00 @ 8.00
2.50 @ 8.00
0.8
0.8
0.8
0.8
0.8
0.8
0.8
0.8
0.8
0.8
0.8
0.8
0.8
0.8
0.8
1.600
1.500
0.800
0.150
0.110
0.110
0.040
0.060
0.060
0.070
0.040
0.030
0.030
0.020
0.015
7.000
4.000
2.900
0.600
0.260
0.200
0.120
0.120
0.120
0.160
0.070
0.066
0.066
0.040
0.030
15.000
6.000
5.000
1.000
0.450
0.290
0.210
0.180
0.180
0.250
0.110
0.100
0.100
0.060
0.047
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
0.14
0.20
0.50
0.75
0.75
1.10
1.10
1.10
1.25
1.50
1.60
1.60
2.00
2.60
0.34
0.40
1.00
1.50
1.50
2.20
1.95
1.95
2.50
3.00
2.80
2.80
3.50
5.20
6
8
8
6
* obsolete
NOTE:
Please choose TS for SnPb and TF for Sn plating
Pd
R min
R 1max
=
Power dissipated from device when in the tripped state at 20 °C still air.
Minimum resistance of device in initial (un-soldered) state.
=
=
Ihold
I trip
=
Hold current: maximum current device will pass without tripping in 20 °C still air.
Trip current: minimum current at which the device will trip in 20 °C still air.
Maximum voltage device can withstand without damage at rated current (Imax
Maximum resistance of device at 20 °C measured one hour after tripping for 20 s.
=
=
=
Caution: Operation beyond the specified rating may result in damage and possible arcing and flame.
Specifications are subject to change without notice
Vmax
Imax
)
Maximum fault current device can withstand without damage at rated voltage (Vmax
)
Order
Qty.
Order-
Model
Packaging
Information
Number
WebSite
Europe Tel: +49 2302 662-107
Americas Tel: +1 404 699-7820
Asia Tel: +852 26 14-1108
China Tel: +86 21 6432-5146
040614
www.wickmanngroup.com E-mail: sales@wickmann.com E-mail: service@wickmannusa.com E-mail: sales@wickmann.com.hk E-mail: sales@wickmann.cn
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