P
OLYFUSE
®
R
ESETTABLE
F
USES
STD
Strap Type, 15 V / 24 V
Standard
UL 1434 1 Edition
CSA C22.2 No. 0 CSA TIL No. CA-3A
st
Specifications
Packaging
A
small pack
D
standard
Materials
Insulating material: Polyester Tape
Terminals:
Nickel
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., 7 days, ± 5 % typical resistance change
Vibration
MIL-STD-883C, Condition A, no change
Marking
“P”, Part Code, identification, lot number
Approvals
cULus Recognition
TÜV
Features
Dimensions (mm)
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.
S: one slot
Dimensions (mm)
Model
STD120
STD120S
STD175
STD175S
STD200
STD350
STD420
Fig
1
2
1
2
1
1
1
Min
19.9
19.9
20.9
20.9
23.3
28.4
30.6
A
Max
22.1
22.1
23.1
23.1
23.4
31.8
32.4
Min Max
4.9
4.9
4.9
4.9
10.2
13.0
12.9
5.2
5.2
5.2
5.2
11.0
13.5
13.6
B
Min Max
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
C
D
Min
5.5
5.5
4.1
4.1
5.0
6.3
5.0
Min Max
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
E
packaging quantity
small pack
standard
500
500
500
500
500
500
500
10,000
10,000
10,000
10,000
10,000
5,000
5,000
Permissible continuous operating current is
≤
100 % at ambient temperature of 20 ºC (68 ºF).
Model
TÜV
•
•
•
•
•
•
•
R
I max.
( )
0.220
0.220
0.120
0.120
0.100
0.050
0.040
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
NOTE:
I
hold
=
I
trip
=
V
max
=
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 (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
041006
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
cURus
•
•
•
•
•
•
•
I
hold
(A)
I
Trip
(A)
V
max. dc
(V)
I
max.
(A)
max. time to trip
(s @ A)
P
d max.
(W)
Resistance
R
min.
( )
R
max.
( )
Approvals
P
OLYFUSE
®
R
ESETTABLE
F
USES
STD
A
B
C
DE
A: STD120
B: STD175
C: STD200
D: STD350
E: STD420
Further Time-Current-Curves on request
Thermal Derating Chart
Model
Ambient Operation Temperature - I
hold
(A)
-40 °C
STD120
STD120S
STD175
STD175S
STD200
STD350
STD420
1.90
1.90
2.50
2.50
3.20
5.40
6.40
-20 °C
1.70
1.70
2.30
2.30
2.80
4.80
5.70
0 °C
1.50
1.50
2.00
2.00
2.50
4.30
5.10
23 °C
1.20
1.20
1.75
1.75
2.00
3.50
4.20
40 °C
1.00
1.00
1.50
1.50
1.70
3.00
3.60
50 °C
0.90
0.90
1.30
1.30
1.60
2.80
3.30
60 °C
0.80
0.80
1.20
1.20
1.40
2.50
3.00
70 °C
0.70
0.70
1.10
1.10
1.20
2.20
2.60
85 °C
0.50
0.50
0.90
0.90
0.90
1.70
2.10
041006
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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