0495025.U [LITTELFUSE]
Electric Fuse;
LITTELFUSE 
Cartridge Fuses
JCASE® CARTRIDGE FUSE RATED 32V
Specifications
Voltage Rating:
32 VDC
Interrupting Rating:
Operating Temperature Range:
Insertion Force:
1000A @ 32 VDC
-40˚C to + 125˚C
53N max. (12 lb.)
9N min. (2 lb.)
Extraction Force:
Ordering Information
Part Number
Package Size
0495xxx.T
0495xxx.U
0495xxx.Z
10
500
2200
Dimensions
Dimensions in mm
Description
The JCASE® is a cartridge style fuse with female terminal design.
JCASE® provides both increased time delay and low voltage drop
to protect high current circuits. JCASE® has the ability to handle
inrush currents. The JCASE® was designed
and patented by Littelfuse.
Time-Current Characteristics
% of Rating
Opening Time Min / Max (s)
110
135
200
350
600
360,000 s / –
60 s / 1800 s
4 s / 60 s
0.200 s / 7 s
0.040 s / 1 s
Ratings
Part Number
Current Rating
Housing Color
Typ. Voltage Drop
Cold Resistance
I2t
0495020_
0495025_
0495030_
0495040_
0495050_
0495060_
20 A
25 A
30 A
40 A
50 A
60 A
106 mV
101 mV
91 mV
87 mV
88 mV
87 mV
4.29 mΩ
1750 A²s
3220 A²s
1480 A²s
3650 A²s
8750 A²s
19500 A²s
3.28 mΩ
2.12 mΩ
1.30 mΩ
0.99 mΩ
0.76 mΩ
Corresponding holder see Section “Fuse Holders.”
39
www.littelfuse.com
© 2010 Littelfuse • Transportation Products Catalog
Cartridge Fuses
JCASE® CARTRIDGE FUSE RATED 32V
Temperature Rerating Curve
Time-Current Characteristic Curves
40
© 2010 Littelfuse • Transportation Products Catalog
www.littelfuse.com
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