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Datasheet: 495040 (Littelfuse)

JCASE Cartridge Fuse

 

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Littelfuse
15
% of
Opening Time
Rating
Minimum
Maximum
1000
100
10
1
0.1
0.01
10000
1000
100
10
1
TIME IN SECONDS
CURRENT IN AMPERES
30A
20A
40A 50A 60A
JCASE
Cartridge Fuse
The JCASE is a cartridge style fuse with female terminal design, pro-
viding both increased time delay and low voltage drop to protect high
current circuits and handle inrush currents. The JCASE was designed
and patented by Littelfuse.
Typ. Voltage
Current
Drop at
Part
Rating
Housing
Rated Current
Number
(A)
Color (mV)
495020 20
Blue
106
495025 25 White
101
495030 30
Pink
91
495040 40 Green
87
495050 50
Red
88
495060 60 Yellow
87
27.0
18.7
14.1
24.4
12.0
10.0
1.0
6.7
5.5
12.1
JCASE Fuse Series Temperature Rerating Curve
Ambient Temperature (
C)
Rerating Factor (% Rated Current)
-40
85
90
95
100
105
110
-30 -20 -10
0 10
20 30 40 50 60
70 80 90 100 110 120
100 100
hrs
--
135
60 s
1800 s
200
4 s
60 s
350
0.2 s
7 s
600
0.04 s
1 s
TIME-CURRENT CHARACTERISTICS
JCASE CARTRIDGE FUSE TABLE
Interrupting Rating:
1000A @ 32 VDC
Voltage Rating:
32 VDC
I
nsertion Force:
53N max. (12 lb.)
Extraction Force:
9N min. (2 lb.)
Ambient Temp
:
-40C to + 125C
See page 32 for
JCASE Shunt
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