®
POLYFUSE RESETTABLE FUSES
SMD Type, 6 V - 60 V
UL 1434 1st Edition
CSA C22.2 No. 0 CSA TIL No. CA-3A
Approvals
cULus Recognition
TÜV
Specifications
SMD2920
Standard
Packaging
A
Blistertape and reel Ø 178 mm
Materials
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
Features
These devices offer a wide range of hold cur-
rents 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
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
Dimensions (mm)
Solder pad Layout (mm)
Meets EIA Specification RS186-9E,
ANSI/J-STD-002, Category 3
Reflow only
4.6
Solvent Resistance
MIL-STD-202, Method 215, no change
Marking
5.3
“P”, Part Code
4.0
4.0
Dimensions (mm)
Model
A
B
C
D
Min
E
packaging quantity
tape
Min Max
Min Max
Min Max
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 7.98
6.73 7.98
6.73 7.98
6.73 7.98
6.73 7.98
6.73 7.98
6.73 7.98
6.73 7.98
6.73 7.98
6.73 7.98
6.73 7.98
6.73 7.98
6.73 7.98
6.73 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
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
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
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
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.( ) Rtyp.( ) RI max.( )
Approvals
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
10
10
40
10
40
40
40
40
40
40
40
40
40
40
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
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
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
•
•
•
p
•
•
•
•
•
•
•
•
•
•
•
•
•
p
•
•
•
•
•
•
•
•
•
•
6
15
Please choose TS for SnPb and TF for Sn plating
NOTE:
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.
Vmax
Imax
=
=
)
Caution: Operation beyond the specified rating may result in damage and possible arcing and flame.
Specifications are subject to change without notice
Maximum fault current device can withstand without damage at rated voltage (Vmax
)
t.b.d. = to be determined
Order
Information
Qty.
Order-
Number
Model
Packaging
p = pending
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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