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LRD190 Fiches technique(PDF) 1 Page - Littelfuse

No de pièce LRD190
Description  Max. Device Surface Temperature in Tripped State
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Fabricant  LITTELFUSE [Littelfuse]
Site Internet  http://www.littelfuse.com
Logo LITTELFUSE - Littelfuse

LRD190 Fiches technique(HTML) 1 Page - Littelfuse

  LRD190 Datasheet HTML 1Page - Littelfuse LRD190 Datasheet HTML 2Page - Littelfuse  
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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.
040706
www.littelfuse.com
LRD190
1.90
3.90
15
100
5.0 @ 9.50
1.20
0.039
0.072
0.102
• •
LRD190S
1.90
3.90
15
100
5.0 @ 9.50
1.20
0.039
0.072
0.102
• •
LRD260
2.60
5.80
15
100
5.0 @ 13.00
2.50
0.020
0.042
0.063
• •
LRD260S
2.60
5.80
15
100
5.0 @ 13.00
2.50
0.020
0.042
0.063
• •
LRD380
3.80
8.30
15
100
5.0 @ 19.00
2.50
0.013
0.026
0.037
• •
LRD450
4.50
8.90
20
100
5.0 @ 22.50
2.50
0.011
0.020
0.028
• •
LRD550
5.50
10.50
20
100
5.0 @ 27.50
2.80
0.009
0.016
0.022
• •
LRD600
6.00
11.70
20
100
5.0 @ 30.00
2.80
0.007
0.014
0.019
• •
LRD730
7.30
14.10
20
100
5.0 @ 30.00
3.30
0.006
0.012
0.015
• •
NOTE:
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
1max=
Maximum resistance of device at 20°C measured one hour after tripping for 20 sec.
Caution: Operation beyond the specified rating may result in damage and possible arcing and flame.
Specifications are subject to change without notice
Model
I
hold
I
Trip
V
max. dc
I
max.
max. time to trip
P
d max.
Resistance
Approvals
(A)
(A)
(V)
(A)
(s @ A)
(W)
R
min.()
R
max.()
R
I max.()
Order
Qty.
Order-
Model
Packaging
Information
Number
S: one slot
POLYFUSE® RESETTABLE FUSES
Dimensions (mm)
Permissible continuous operating current is ≤ 100 % at ambient temperature of 20 ºC (68 ºF).
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.,7days,±5 %typicalresistancechange
Vibration
MIL-LRD-883C, Condition A, no change
Marking
“P”, Part Code, identification, lot number
Strap Type, 15 V / 20 V
Standard
UL 1434 1st Edition
CSA C22.2 No. 0 CSA TIL No. CA-3A
Approvals
cULus Recognition
TÜV
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
increase the battery safety level. The LRD devices
are ideally suited for battery packs used for
portble computer and camcorder applications.
LRD
Model
A
B
C
D
E
packaging quantity
Fig
Min Max
Min Max
Min Max
Min
Min Max
small pack
standard
LRD190
1
19.9
22.1
4.9
5.5
0.6
1.0
5.5
3.9
4.1
500
10,000
LRD190S
2
19.9
22.1
4.9
5.5
0.6
1.0
5.5
3.9
4.1
500
10,000
LRD260
1
20.9
23.1
4.9
5.5
0.6
1.0
4.1
3.9
4.1
500
10,000
LRD260S
2
20.9
23.1
4.9
5.5
0.6
1.0
4.1
3.9
4.1
500
10,000
LRD380
1
24.0
26.0
6.9
7.5
0.6
1.0
5.3
4.9
5.1
500
10,000
LRD450
1
24.0
26.0
9.9
10.5
0.6
1.0
5.3
5.9
6.1
500
10,000
LRD550
1
35.0
37.0
6.9
7.5
0.6
1.0
5.3
4.9
5.1
500
10,000
LRD600
1
24.0
26.0
13.9
14.5
0.6
1.0
4.1
5.9
6.1
500
10,000
LRD730
1
27.1
29.1
13.9
14.5
0.6
1.0
4.1
5.9
6.1
500
10,000
Dimensions (mm)


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