495020 Datasheet, PDF (1/1 Pages) Littelfuse – JCASE Cartridge Fuse

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