P
OLYFUSE
®
R
ESETTABLE
F
USES
SMD2920
SMD Type, 6 V - 60 V
Standard
UL 1434 1
st
Edition
CSA C22.2 No. 0 CSA TIL No. CA-3A
cULus Recognition
TÜV
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
Specifications
Packaging
A
Blistertape and reel Ø 178 mm
Approvals
Materials
Features
Dimensions (mm)
Solder pad Layout (mm)
4.6
5.3
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
Terminals:
4.0
4.0
Dimensions (mm)
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
Min Max
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
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
A
Min Max
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
B
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
C
D
Min
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
Min Max
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
E
packaging quantity
tape
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
cURus
•
•
•
p
•
•
•
•
•
•
•
•
•
•
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
NOTE:
I
hold
=
I
trip
=
V
max
=
I
max
=
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
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
Please choose TS for SnPb and
TF
for Sn plating
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 (V
max
)
P
d
=
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
fl
ame.
Specifications are subject to change without notice
Order
Information
Qty.
Order-
Number
Model
Packaging
t.b.d. = to be determined
p = pending
040606
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
TÜV
•
•
•
p
•
•
•
•
•
•
•
•
•
•
Permissible continuous operating current is
≤
100 % at ambient temperature of 20 ºC (68 ºF).
Model
I
hold
I
Trip
V
max. dc
I
max.
max. time to trip
(A)
(A)
(A)
(V)
(A)
(s @ A)
P
d max.
(W)
Resistance
Approvals
R
min.
( ) R
typ.
( ) R
I max.
( )
51单片机
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