LRD260S [LITTELFUSE]
Max. Device Surface Temperature in Tripped State; 马克斯。在跳闸状态的设备表面温度
| 型号： | LRD260S |
| 厂家： | 
LITTELFUSE |
| 描述： | Max. Device Surface Temperature in Tripped State |
| 文件： | 总2页 (文件大小：71K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
®
POLYFUSE RESETTABLE FUSES
Strap Type, 15 V / 20 V
Specifications
LRD
Standard
Packaging
UL 1434 1st Edition
A
small pack
D
standard
CSA C22.2 No. 0 CSA TIL No. CA-3A
Materials
Insulating material:Polyester Tape
Terminals: Nickel
Approvals
cULus Recognition
TÜV
Max. Device Surface Temperature in Tripped State
Features
The LRD product series are designed to reduce
the device’s resistance at the same hold cur-
rent rating. The smaller thermal mass of these
devices also provide benefit of faster trip time and
125 °C
Operating / Storage Temperature
-40 ºC to +85 ºC (consider derating)
increase the battery safety level. The LRD devices Humidity Ageing
are ideally suited for battery packs used for
portble computer and camcorder applications.
+85 °C, 85 % R.H., 7 days, ± 5 % typical resistance change
Vibration
MIL-LRD-883C, Condition A, no change
Marking
Dimensions (mm)
“P”, Part Code, identification, lot number
S: one slot
Dimensions (mm)
Model
A
B
C
D
E
packaging quantity
Fig
Min Max
Min Max
Min Max
Min
Min Max
small pack
standard
LRD190
LRD190S
LRD260
LRD260S
LRD380
LRD450
LRD550
LRD600
LRD730
1
2
1
2
1
1
1
1
1
19.9 22.1
19.9 22.1
20.9 23.1
20.9 23.1
24.0 26.0
24.0 26.0
35.0 37.0
24.0 26.0
27.1 29.1
4.9
4.9
4.9
4.9
6.9
9.9 10.5
6.9 7.5
5.5
5.5
5.5
5.5
7.5
0.6
0.6
0.6
0.6
0.6
0.6
0.6
0.6
0.6
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
5.5
5.5
4.1
4.1
5.3
5.3
5.3
4.1
4.1
3.9
3.9
3.9
3.9
4.9
5.9
4.9
5.9
5.9
4.1
4.1
4.1
4.1
5.1
6.1
5.1
6.1
6.1
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
13.9 14.5
13.9 14.5
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
LRD190
LRD190S
LRD260
LRD260S
LRD380
LRD450
LRD550
LRD600
LRD730
1.90
1.90
2.60
2.60
3.80
4.50
5.50
6.00
7.30
3.90
3.90
15
15
15
15
15
20
20
20
20
100
100
100
100
100
100
100
100
100
5.0 @ 9.50
5.0 @ 9.50
5.0 @ 13.00
5.0 @ 13.00
5.0 @ 19.00
5.0 @ 22.50
5.0 @ 27.50
5.0 @ 30.00
5.0 @ 30.00
1.20
1.20
2.50
2.50
2.50
2.50
2.80
2.80
3.30
0.039
0.039
0.020
0.020
0.013
0.011
0.009
0.007
0.006
0.072
0.072
0.042
0.042
0.026
0.020
0.016
0.014
0.012
0.102
0.102
0.063
0.063
0.037
0.028
0.022
0.019
0.015
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
5.80
5.80
8.30
8.90
10.50
11.70
14.10
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 sec.
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
040706
®
POLYFUSE RESETTABLE FUSES
LRD
A: LRD380
B: LRD450
C: LRD730
C
A B
100.00
10.00
1.00
0.10
0.01
1.00
10.00
100.00
Fault Current (A)
Thermal Derating Chart
Model
Ambient Operation Temperature - Ihold (A)
-40 °C
-20 °C
0 °C
23 °C
40 °C
50 °C
60 °C
70 °C
85 °C
LRD190
LRD190S
LRD260
LRD260S
LRD380
LRD450
LRD550
LRD600
LRD730
2.80
2.80
3.80
3.80
5.50
6.50
8.00
8.70
10.60
2.50
2.50
3.40
3.40
4.90
5.80
7.10
7.80
9.50
2.30
2.30
3.10
3.10
4.40
5.30
6.20
7.10
8.60
1.90
1.90
2.60
2.60
3.80
4.50
5.50
6.00
7.30
1.60
1.60
2.20
2.20
3.30
3.90
4.70
5.20
6.30
1.50
1.50
2.00
2.00
3.00
3.60
4.30
4.70
5.70
1.40
1.40
1.90
1.90
2.80
3.30
4.00
4.40
5.40
1.20
1.20
1.70
1.70
2.50
2.90
3.60
3.90
4.70
1.00
1.00
1.40
1.40
2.10
2.50
3.00
3.30
4.00
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
040706
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