The new LT Series device provides reliable, noncycling
protection against overcharging and short circuits events
for rechargeable battery cells where resettable protection
is desired.
Features
lead–free
protection at 100°C
trip temperature
Agency Approvals
AGENCY
AGENCY FILE NUMBER
E183209
R50119583
board space
Applications
protection
- Mobile phones
- Laptop computers
Electrical Characteristics
Maximum Time
To Trip
Current
(A)
3.50
3.50
5.00
5.00
5.00
9.00
9.00
9.00
10.00
10.00
13.0
15.0
16.0
17
.0
Time
(Sec.)
5.00
5.00
7
.00
7
.00
7
.00
2.90
2.90
2.90
3.00
3.00
5.0
4.0
5.0
5.0
R
min
(Ω)
0.100
0.100
0.070
0.070
0.070
0.040
0.040
0.040
0.030
0.030
0.025
0.015
0.018
0.016
Resistance
R
typ
(Ω)
0.200
0.200
0.130
0.130
0.130
0.068
0.068
0.068
0.057
0.057
0.042
0.031
0.030
0.027
R
1max
(Ω)
0.340
0.340
0.260
0.260
0.260
0.120
0.120
0.120
0.100
0.100
0.076
0.055
0.055
0.050
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
Part Number
I
hold
(A)
0.7
0.7
1.0
1.0
1.0
1.8
1.8
1.8
1.9
1.9
2.6
3.0
3.1
3.4
I
trip
(A)
1.5
1.5
2.5
2.5
2.5
3.8
3.8
3.8
4.2
4.2
5.2
6.3
6.0
6.8
V
max
(Vdc)
15
15
24
24
24
24
24
24
24
24
24
24
24
24
I
max
(A)
100
100
100
100
100
100
100
100
100
100
100
100
100
100
P
d
max.
(W)
1.0
1.0
1.5
1.5
1.5
2.0
2.0
2.0
1.9
1.9
2.3
2.0
2.5
2.7
Agency
Approvals
15LT070
15LT070S
24LT100
24LT100S
24LT100SS
24LT180
24LT180S
24LT180SS
24LT190
24LT190S
24LT260
24LT300
24LT310
24LT340
Items with S and SS at end of part number identify items with slit lead option. See Dimension Drawing and Part Ordering Number System sections of this document for more information.
I
hold
= Hold current: maximum current device will pass without tripping in 20°C still air.
I
trip
= Trip current: minimum current at which the device will trip in 20°C still air.
V
max
= Maximum voltage device can withstand without damage at rated current (I max)
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.
R
min
= Minimum resistance of device in initial (un-soldered) state.
R
typ
= Typical resistance of device in initial (un-soldered) state.
R
1max
= Maximum resistance of device at 20°C measured one hour after tripping or reflow
soldering of 260°C for 20 sec.
Caution:
Operation beyond the specified rating may result in damage and possible arcing
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