POLYFUSE® RESETTABLE FUSES
Specifications
SMD Type, 6 V - 60 V
Standard
Packaging
UL 1434 1st Edition
CSA C22.2 No. 0 CSA TIL No. CA-3A
A
Approvals
Terminals:
TS: Solder-plated copper
TF: Lead free plating on request
Max. Device Surface Temperature in Tripped State
125 °C
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
Thermal Shock
MIL-STD-202F, Method 107G
+85 °C to -40 °C 20 times, -30 % typical resistance
change
Solderability
Meets EIA Specification RS186-9E,
ANSI/J-STD-002, Category 3
Reflow only
Solvent Resistance
MIL-STD-202, Method 215, no change
Marking
“P”, Part Code
cULus Recognition
TÜV
Features
These devices offer a wide range of hold currents from 0.3 A to 3.0 A and voltages from 6 V to
60 V.The SMD2920 product line is suitable for high
density circuit board applications in computers,
telecommunications and general electronics.
Suitable for reflow soldering
Solder pad Layout (mm)
4.6
5.3
4.0
4.0
Dimensions (mm)
Model
A
Min Max
SMD2920P030TS/TF
SMD2920P050TS/TF
SMD2920P075TS/TF
SMD2920P075TS/TF/60
SMD2920P100TS/TF
SMD2920P125TS/TF
SMD2920P150TS/TF
SMD2920P185TS/TF
SMD2920P200TS/TF
SMD2920P200TS/TF/24
SMD2920P250TS/TF
SMD2920P260TS/TF
SMD2920P300TS/TF
SMD2920P300TS/TF/15
6.73
6.73
6.73
6.73
6.73
6.73
6.73
6.73
6.73
6.73
6.73
6.73
6.73
6.73
B
Min Max
7.98
7.98
7.98
7.98
7.98
7.98
7.98
7.98
7.98
7.98
7.98
7.98
7.98
7.98
4.80
4.80
4.80
4.80
4.80
4.80
4.80
4.80
4.80
4.80
4.80
4.80
4.80
4.80
5.44
5.44
5.44
5.44
5.44
5.44
5.44
5.44
5.44
5.44
5.44
5.44
5.44
5.44
C
Min Max
0.75
0.75
0.75
1.20
0.55
0.55
0.75
0.75
0.75
0.75
0.75
0.55
0.75
0.75
1.25
1.25
1.25
2.00
1.00
1.00
1.25
1.25
1.25
1.25
1.25
1.00
1.25
1.25
D
Min
E
Min Max
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
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
Permissible continuous operating current is ≤ 100 % at ambient temperature of 20 ºC (68 ºF).
Model
Ihold
ITrip
Vmax. dc
Imax.
max. time to trip
(A)
(A)
(A)
(V)
(A)
(s @ A)
SMD2920P030TS/TF
SMD2920P050TS/TF
SMD2920P075TS/TF
SMD2920P075TS/TF/60
SMD2920P100TS/TF
SMD2920P125TS/TF
SMD2920P150TS/TF
SMD2920P185TS/TF
SMD2920P200TS/TF
SMD2920P200TS/TF/24
SMD2920P250TS/TF
SMD2920P260TS/TF
SMD2920P300TS/TF
SMD2920P300TS/TF/15
0.30
0.50
0.75
0.75
1.10
1.25
1.50
1.85
2.00
2.00
2.50
2.60
3.00
3.00
0.60
1.00
1.50
1.50
2.20
2.50
3.00
3.70
4.00
4.00
5.00
5.20
6.00
6.00
60
60
30
60
33
15
33
33
15
24
15
6
6
15
10
10
40
10
40
40
40
40
40
40
40
40
40
40
Please choose TS for SnPb and TF for Sn plating
NOTE:
I hold =
I trip =
Vmax =
I max =
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 (I max)
Maximum fault current device can withstand without damage at rated voltage (Vmax)
Order
Information
040606
Qty.
OrderNumber
Model
3.00 @ 1.50
4.00 @ 2.50
0.30 @ 8.00
0.30 @ 8.00
0.50 @ 8.00
2.00 @ 8.00
2.00 @ 8.00
2.50 @ 8.00
5.00 @ 8.00
5.00 @ 8.00
10.00 @ 8.00
10.00 @ 8.00
20.00 @ 8.00
20.00 @ 8.00
packaging quantity
tape
2.00
2.00
2.00
2.00
2.00
2.00
2.00
2.00
2.00
2.00
2.00
2.00
2.00
2.00
1,500
1,500
1,500
t.b.d.
2,000
2,000
1,500
1,500
1,500
1,500
1,500
2,000
1,500
1,500
Pd max.
(W)
R min.( )
1.5
1.5
1.5
1.5
1.5
1.5
1.5
1.5
1.5
1.5
1.5
1.5
1.5
1.5
1.200
0.350
0.350
0.300
0.120
0.070
0.080
0.065
0.050
0.050
0.035
0.025
0.015
0.015
Resistance
Approvals
R typ.( ) RI max.( )
3.000
0.870
0.670
t.b.d.
0.270
0.160
0.150
0.110
0.090
0.090
0.060
0.050
0.033
0.033
4.800
1.400
1.000
0.950
0.410
0.250
0.230
0.150
0.125
0.125
0.085
0.075
0.048
0.048
TÜV
Dimensions (mm)
Blistertape and reel Ø 178 mm
Materials
cURus
SMD2920
•
•
•
p
•
•
•
•
•
•
•
•
•
•
•
•
•
p
•
•
•
•
•
•
•
•
•
•
Pd =
Power dissipated from device when in the tripped state at 20 °C still air.
Minimum resistance of device in initial (un-soldered) state.
R min=
Maximum resistance of device at 20 °C measured one hour after tripping for 20 s.
R 1max=
Caution: Operation beyond the specified rating may result in damage and possible arcing and flame.
Specifications are subject to change without notice
Packaging
In our continuing strategy to deliver unparalleled circuit protection solutions,
technical expertise and application leadership, we proudly introduce the
WICKMANN Group and its products to the Littelfuse portfolio.
t.b.d. = to be determined
p = pending
www.littelfuse.com
POLYFUSE® RESETTABLE FUSES
SMD2920
A: SMD2920P030TS/TF
B: SMD2920P050TS/TF
C: SMD2920P075TS/TF
D: SMD2920P075TS/TF/60
D: SMD2920P100TS/TF
E: SMD2920P125TS/TF
F: SMD2920P150TS/TF
G: SMD2920P185TS/TF
H: SMD2920P200TS/TF
I: SMD2920P200TS/TF/24
J: SMD2920P250TS/TF
K: SMD2920P260TS/TF
L: SMD2920P300TS/TF
M: SMD2920P300TS/TF/15
Thermal Derating Chart
Model
SMD2920P030TS/TF
SMD2920P050TS/TF
SMD2920P075TS/TF
SMD2920P075TS/TF/60
SMD2920P100TS/TF
SMD2920P125TS/TF
SMD2920P150TS/TF
SMD2920P185TS/TF
SMD2920P200TS/TF
SMD2920P200TS/TF/24
SMD2920P250TS/TF
SMD2920P260TS/TF
SMD2920P300TS/TF
SMD2920P300TS/TF/15
040606
Ambient Operation Temperature - Ihold (A)
-40 °C
-20 °C
0 °C
23 °C
40 °C
50 °C
60 °C
70 °C
85 °C
0.45
0.76
1.13
t.b.d.
1.66
1.89
2.27
2.80
3.02
3.14
3.78
3.64
4.53
4.20
0.40
0.67
1.01
t.b.d.
1.47
1.68
2.01
2.47
2.68
2.77
3.35
3.25
4.02
3.85
0.35
0.59
0.88
t.b.d.
1.29
1.46
1.76
2.17
2.34
2.42
2.93
2.91
3.51
3.44
0.30
0.50
0.75
t.b.d.
1.10
1.25
1.50
1.85
2.00
2.00
2.50
2.60
3.00
3.00
0.25
0.42
0.62
t.b.d.
0.91
1.04
1.25
1.54
1.66
1.73
2.08
2.26
2.52
2.69
0.23
0.38
0.56
t.b.d.
0.83
0.94
1.13
1.39
1.50
1.56
1.88
2.08
2.26
2.50
0.20
0.33
0.50
t.b.d.
0.73
0.83
1.00
1.22
1.32
1.38
1.65
1.95
1.99
2.31
0.17
0.29
0.44
t.b.d.
0.64
0.73
0.87
1.07
1.16
1.20
1.45
1.74
1.75
2.12
0.14
0.23
0.34
t.b.d.
0.50
0.56
0.74
0.85
0.90
0.98
1.13
1.48
1.34
1.83
In our continuing strategy to deliver unparalleled circuit protection solutions,
technical expertise and application leadership, we proudly introduce the
WICKMANN Group and its products to the Littelfuse portfolio.
www.littelfuse.com
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