High Voltage Fuses
Low Current HEV Fuse
The LC HEV fuse is designed for protection of high-voltage accessory circuits in electric
and hybrid electric vehicles.
Specifications
Voltage Rating (10A, 15A, 20A, 30A):
Voltage Rating (40A):
Note: The 0HEV040.ZXBD is rated at 450 VDC
Interrupting Rating (10A, 15A, 20A, 30A):
Interrupting Rating (40A):
Operating Temperature Range:
450 VDC
425 VDC
10kA @ 450 VDC
10kA @ 425 VDC
-40ºC to +125ºC
Low Current HEV Fuses
Ordering Information
Part Number
0HEVxxx.ZXC
0HEVxxx.ZXISO
0HEVxxx.ZXPY
0HEVxxx.ZXBD
0HEV040.ZXBD
0HEVxxx.ZXPCB
Termination
Cartridge
Bolt Down (ISO)
Blade
Bolt Down (Axial)
PCB Mount
Package
Size
240
240
240
240
240
240
Time-Current Characteristics
% of
Rating
100
110
135
150
200
300
500
Opening Time
Min / Max (s)
10A
100 hrs / -
4 hrs / -
100 / 3600
10 / 1000
0.5 / 100
0.1 / 15
0.05 / 1
Maximum Voltage
Drop Spec at 100% IR
(mV)
300
200
200
200
200
Opening Time
Min / Max (s)
15A, 20A, 30A
100 hrs / -
4 hrs / -
150 / 3600
10 / 1000
0.5 / 100
0.1 / 15
0.05 / 1
Typical Cold
Resistance
(mΩ)
12.8
7.9
5.0
2.7
2.0
Opening Time
Min / Max (s)
40A
100 hrs / -
-
150 / 3600
10 / 1000
0.5 / 100
0.1 / 15
0.05 / 1
Minimum
Melting I²t
(A
2
s)
255
133
268
993
1495
0HEVxxx.ZXPCBL PCB Mount (Long)
Ratings
Part Number
0HEV010.xxx
0HEV015.xxx
0HEV020.xxx
0HEV030.xxx
0HEV040.xxx
Current
Rating
(A)
10
15
20
30
40
Color
Code
Typical Voltage
Drop at 70% I
R
(mV)
114
96
79
67
69
(Average Initial Measurements)
Time-Current Characteristic Curves
LC HEV FUSE
15A
20A
1000
10A
30A
40A
Temperature Rerating Curve
100
10
TIME IN SECO
ONDS
1
0.1
0.01
1
10
100
1000
CURRENT IN AMPERES
Littelfuse products are not designed for, and shall not be used for, any purpose (including, without limitation, automotive, military, aerospace, medical, life-saving, life-sustaining or nuclear facility applications, devices intended for
surgical implant into the body, or any other application in which the failure or lack of desired operation of the product may result in personal injury, death, or property damage) other than those expressly set forth in applicable Littelfuse
product documentation. Warranties granted by Littelfuse shall be deemed void for products used for any purpose not expressly set forth in applicable Littelfuse documentation. Littelfuse shall not be liable for any claims or damages
arising out of products used in applications not expressly intended by Littelfuse as set forth in applicable Littelfuse documentation. The sale and use of Littelfuse products is subject to Littelfuse Terms and Conditions of Sale, unless
otherwise agreed by Littelfuse.
44
littelfuse.com
High Voltage Fuses
Low Current HEV Fuse
Dimensions
Dimensions in mm
ZXC Cartridge
ZXISO Bolt Down (ISO)
ZXPY Blade
ZXBD Bolt Down (Axial)
ZXPCB PCB Mount
ZXPCBL PCB Mount (Long)
Littelfuse products are not designed for, and shall not be used for, any purpose (including, without limitation, automotive, military, aerospace, medical, life-saving, life-sustaining or nuclear facility applications, devices intended for
surgical implant into the body, or any other application in which the failure or lack of desired operation of the product may result in personal injury, death, or property damage) other than those expressly set forth in applicable Littelfuse
product documentation. Warranties granted by Littelfuse shall be deemed void for products used for any purpose not expressly set forth in applicable Littelfuse documentation. Littelfuse shall not be liable for any claims or damages
arising out of products used in applications not expressly intended by Littelfuse as set forth in applicable Littelfuse documentation. The sale and use of Littelfuse products is subject to Littelfuse Terms and Conditions of Sale, unless
otherwise agreed by Littelfuse.
45
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