®
POLYFUSE RESETTABLE FUSES
Strap Type, 15 V / 24 V
Specifications
STD
Standard
Packaging
UL 1434 1st Edition
CSA C22.2 No. 0 CSA TIL No. CA-3A
A
D
small pack
standard
Materials
Insulating material: Polyester Tape
Terminals: Nickel
Approvals
cULus Recognition
TÜV
Max. Device Surface Temperature in Tripped State
Features
125 °C
This axial leaded strap product is designed to
provide reliable, non-cycling protection for re-
chargeable batteries. The weldable nickel leads
with a narrow, low profile design are ideal to be
installed directly onto battery cells.
Operating / Storage Temperature
-40 ºC to +85 ºC (consider derating)
Humidity Ageing
+85 °C, 85 % R.H., 7 days, ± 5 % typical resistance change
Vibration
Dimensions (mm)
MIL-STD-883C, Condition A, no change
Marking
“P”, Part Code, identification, lot number
S: one slot
Dimensions (mm)
Model
A
B
C
D
Min
E
packaging quantity
Fig
Min Max
Min Max
Min Max
Min Max
small pack
standard
STD120
STD120S
STD175
STD175S
STD200
STD350
STD420
1
2
1
2
1
1
1
19.9
19.9
20.9
20.9
23.3
28.4
30.6
22.1
22.1
23.1
23.1
23.4
31.8
32.4
4.9
4.9
4.9
5.2
5.2
5.2
0.6
0.6
0.6
0.6
0.5
0.5
0.5
1.0
1.0
1.0
1.0
1.1
1.1
1.1
5.5
5.5
4.1
4.1
5.0
6.3
5.0
3.9
3.9
3.9
3.8
4.8
6.0
5.0
4.1
4.1
4.1
4.2
5.4
6.6
6.7
500
500
500
500
500
500
500
10,000
10,000
10,000
10,000
10,000
5,000
4.9
5.2
10.2
13.0
12.9
11.0
13.5
13.6
5,000
Permissible continuous operating current is ≤ 100 % at ambient temperature of 20 ºC (68 ºF).
Model
Ihold
(A)
ITrip
(A)
Vmax. dc
(V)
Imax.
(A)
max. time to trip
(s @ A)
Pd max.
(W)
Resistance
Rmin.( ) Rmax.( ) RI max.( )
Approvals
STD120
STD120S
STD175
STD175S
STD200
STD350
STD420
1.20A
1.20A
1.75A
1.75A
2.00A
3.50A
4.20A
2.7
2.7
3.8
3.8
4.4
6.3
7.6
15V
15V
15V
15V
24V
24V
24V
100
100
100
100
100
100
100
5.00 @ 6.00
5.00 @ 6.00
5.00 @ 8.75
5.00 @ 8.75
4.00 @ 10.00
3.00 @ 20.00
6.00 @ 20.00
1.20
1.20
1.50
1.50
1.90
2.50
2.90
0.085
0.085
0.050
0.050
0.030
0.017
0.012
0.160
0.160
0.090
0.090
0.060
0.031
0.024
0.220
0.220
0.120
0.120
0.100
0.050
0.040
•
•
•
•
•
•
•
•
•
•
•
•
•
•
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 resistance of device at 20 °C measured one hour after tripping for 20 s.
Vmax
Imax
Maximum voltage device can withstand without damage at rated current (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
)
Order
Qty.
Order-
Model
Packaging
Information
Number
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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