参数资料
| 型号： | 15ST175U |
| 厂商： | Littelfuse Inc |
| 文件页数： | 1/4页 |
| 文件大小： | 0K |
| 描述： | PTC RESETTABLE 15V 1.75A STRAP |
| 标准包装： | 500 |
| 系列： | POLYFUSE® ST |
| 电流 - 维持(Ih)： | 1.75A |
| 电流 - 跳闸(It)： | 3.8A |
| 电流 - 最大： | 100A |
| 电压 - 最大： | 15V |
| R最小/最大： | 0.050 ~ 0.120 欧姆 |
| 跳闸时间： | 5s |
| 封装/外壳： | 带 |
| 包装： | 散装 |
POLYFUSE ? Resettable PTCs
Axial Lead Battery Strap Type > ST Series
ST Series
Description
The new ST Series device provides reliable, noncycling
protection against overcharging and short circuits events
for rechargeable battery cells where resettable protection
is desired.
Features
? RoHS compliant and
lead–free
? Weldable Nickel terminals
? Low resistance
? Provides overcurrent
protection at 125°C trip
temperature
Agency Approvals
Applications
AGENCY
AGENCY FILE NUMBER
E183209
? Rechargeable battery cell
protection
R50119583
Electrical Characteristics
Part Number
I hold
(A)
I trip
(A)
V max
(Vdc)
I max
(A)
P d
max.
(W)
Maximum Time
To Trip
Current Time
(A) (Sec.)
R min
( Ω )
Resistance
R typ
( Ω )
R 1max
( Ω )
Agency
Approvals
15ST120
15ST120S
15ST175
15ST175S
30ST200
30ST350
30ST420
1.2
1.2
1.75
1.75
2.00
3.50
4.20
2.7
2.7
3.8
3.8
4.4
6.3
7.6
15
15
15
15
30
30
30
100
100
100
100
100
100
100
1.2
1.2
2.5
2.5
1.9
2.5
2.9
6.00
6.00
8.75
8.75
10.00
20.00
20.00
5.00
5.00
5.00
5.00
4.00
3.00
6.00
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
X
X
X
X
X
X
X
X
X
X
X
X
X
X
Items with S 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 re?ow
soldering of 260°C for 20 sec.
Caution: Operation beyond the speci?ed rating may result in damage and possible arcing
and ?ame.
? 2010 Littelfuse, Inc
Speci?cations are subject to change without notice.
Please refer to www.littelfuse.com/series/ST.html for current information.
121
Revised: June 4, 2010
ST Series
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