P
OLYFUSE
®
R
ESETTABLE
F
USES
LTD
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:
Terminals:
120 °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-LTD-883C, Condition A, no change
Marking
“P”, Part Code, identification, lot number
Polyester Tape
Nickel
Approvals
cULus Recognition
TÜV
Features
Dimensions (mm)
Max. Device Surface Temperature in Tripped State
This product line similar to the STD family is
designed to provide overcurrent protection for
rechargable batteries at elevated temperatures.
These devices offer hold currents from 0.7 A to
4.3 A and voltages from 15 V to 24 V.
S: one slot
SS: two slots
Dimensions (mm)
Model
Fig
LTD070
LTD070S
LTD100
LTD100S
LTD100SS
LTD180
LTD180S
LTD180SS
LTD190
LTD260
LTD300
LTD310
LTD340
1
2
1
2
3
1
2
3
1
1
1
1
1
A
Min Max
19.9
19.9
20.9
20.9
20.9
24.0
24.0
24.0
21.3
24.0
28.4
24.0
24.0
22.1
22.1
23.1
23.1
23.1
26.0
26.0
26.0
23.4
26.0
31.8
26.0
26.0
B
Min Max
4.9
4.9
4.9
4.9
4.9
4.9
4.9
4.9
10.2
10.8
13.0
14.8
14.8
5.2
5.2
5.2
5.2
5.2
5.2
5.2
5.2
11.0
11.9
13.5
15.9
15.9
C
Min Max
0.7
0.7
0.6
0.6
0.6
0.6
0.6
0.6
0.5
0.6
0.5
0.6
0.6
1.2
1.2
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.1
1.0
1.0
D
Min
5.5
5.5
4.1
4.1
4.1
4.1
4.1
4.1
5.0
5.0
6.3
5.0
5.0
E
Min Max
3.9
3.9
3.9
3.9
3.9
3.9
3.9
3.9
4.8
5.9
6.0
5.9
5.9
4.1
4.1
4.1
4.1
4.1
4.1
4.1
4.1
5.4
6.1
6.6
6.1
6.1
packaging quantity
small pack
standard
500
500
500
500
500
500
500
500
500
500
500
500
500
10,000
10,000
10,000
10,000
10,000
10,000
10,000
10,000
10,000
10,000
10,000
10,000
10,000
cURus
•
•
•
•
•
•
•
•
•
•
•
•
•
LTD070
LTD070S
LTD100
LTD100S
LTD100SS
LTD180
LTD180S
LTD180SS
LTD190
LTD260
LTD300
LTD310
LTD340
NOTE:
I
hold
=
I
trip
=
V
max
=
I
max
=
700
700
1.00
1.00
1.00
1.80
1.80
1.80
1.90
2.60
3.00
3.10
3.40
1.50
1.50
2.50
2.50
2.50
3.80
3.80
3.80
4.20
5.20
6.30
6.00
6.80
15
15
24
24
24
24
24
24
24
24
24
24
24
100
100
100
100
100
100
100
100
100
100
100
100
100
5.0 @ 3.5
5.0 @ 3.5
7.0 @ 5.0
7.0 @ 5.0
7.0 @ 5.0
2.9 @ 9.0
2.9 @ 9.0
2.9 @ 9.0
3.0 @ 10.0
5.0 @ 13.0
4.0 @ 15.0
5.0 @ 16.0
5.0 @ 17.0
1.00
1.00
1.50
1.50
1.50
2.00
2.00
2.00
1.90
2.30
2.00
2.50
2.70
0.100
0.100
0.070
0.070
0.070
0.040
0.040
0.040
0.030
0.025
0.015
0.018
0.016
0.200
0.200
0.130
0.130
0.130
0.068
0.068
0.068
0.057
0.042
0.031
0.030
0.027
0.340
0.340
0.260
0.260
0.260
0.120
0.120
0.120
0.100
0.076
0.055
0.055
0.050
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
040706
Qty.
Order-
Number
Model
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.
www.littelfuse.com
TÜV
•
•
•
•
•
•
•
•
•
•
•
•
•
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
(mA/A)
(A)
(V)
(A)
(s @ A)
P
d max.
(W)
Resistance
Approvals
R
min.
( ) R
max.
( ) R
I max.
( )
P
OLYFUSE
®
R
ESETTABLE
F
USES
LTD
100.00
A BC
A: LTD190
B: LTD180
C: LTD100S
10.00
Time to Trip (s)
1.00
0.10
0.01
1.00
10.00
100.00
Fault Current (A)
Thermal Derating Chart
Model
Ambient Operation Temperature - I
hold
(A)
-40 °C
LTD070
LTD070S
LTD100
LTD100S
LTD100SS
LTD180
LTD180S
LTD180SS
LTD190
LTD260
LTD300
LTD310
LTD340
1.20
1.20
1.86
1.86
1.86
3.13
3.13
3.13
3.32
4.30
5.10
5.36
5.52
-20 °C
1.09
1.09
1.60
1.60
1.60
2.68
2.68
2.68
2.86
3.72
4.40
4.58
4.79
0 °C
0.85
0.85
1.40
1.40
1.40
2.20
2.20
2.20
2.40
3.10
3.70
3.70
4.00
23 °C
0.70
0.70
1.00
1.00
1.00
1.80
1.80
1.80
1.90
2.60
3.00
3.10
3.40
40 °C
0.50
0.50
0.83
0.83
0.83
1.33
1.33
1.33
1.48
1.98
2.30
2.36
2.60
50 °C
0.45
0.45
0.70
0.70
0.70
1.10
1.10
1.10
1.25
1.69
1.95
2.01
2.24
60 °C
0.35
0.35
0.60
0.60
0.60
0.90
0.90
0.90
1.10
1.40
1.60
1.70
1.90
70 °C
0.28
0.28
0.44
0.44
0.44
0.65
0.65
0.65
0.79
1.11
1.25
1.30
1.51
85 °C
0.16
0.16
0.23
0.23
0.23
0.36
0.36
0.36
0.43
0.60
0.69
0.71
0.78
040706
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
Analog electronics
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