Littelfuse JCASE Series - Manual

© 2012 Littelfuse • Transportation Products Catalog www.littelfuse.com
JCASE ® CARTRIDGE FUSE RATED 32V
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.
Specifications
Voltage Rating: 32 VDC
Interrupting Rating: 1000A @ 32 VDC
Operating Temperature Range: -40˚C to + 125˚C
Insertion Force:
53N max. (12 lb.)
Extraction Force: 9N min. (2 lb.)
Time-Current Characteristics
% of Rating Opening Time Min / Max (s)
110 360,000 s / –
135 60 s / 1800 s
200 4 s / 60 s
350 0.200 s / 7 s
600 0.040 s / 1 s
Ordering Information
Part Number Package Size
0495xxx.TXA 10
0495xxx.UXA 500
0495xxx.ZXA 2200
Corresponding holder see Section “Fuse Holders.”
Ratings
Part Number Current Rating Housing Color Typ. Voltage Drop Cold Resistance I 2 t
0495020_ 20 A 106 mV 4.29 mΩ 1750 A²s
0495025_ 25 A 101 mV 3.28 mΩ 3220 A²s
0495030_ 30 A 91 mV 2.12 mΩ 1480 A²s
0495040_ 40 A 87 mV 1.30 mΩ 3650 A²s
0495050_ 50 A 88 mV 0.99 mΩ 8750 A²s
0495060_ 60 A 87 mV 0.76 mΩ 19500 A²s
Dimensions
Dimensions in mm
Cartridge Fuses