Littelfuse LC HEV User Manual

Advanced Power Systems

Advanced Power Systems

LC HEV FUSE

Description

The LC HEV fuse is designed for protection of high-voltage
accessor y circuits in electric and hybrid electric vehicles.

Specifications

Interrupting Rating (10A, 15A, 20A, 30A): 10kA @ 450 VDC
Interrupting Rating (40A): 10kA @ 425 VDC
Voltage Rating (10A, 15A, 20A, 30A): 450 VDC
Voltage Rating (40A): 425 VDC
Operating Temperature Range: -40ºC to +125ºC

Ordering Information

Part Number Termination Package Size

0HEVxxx.SXC Cartridge 36

0HEVxxx.SXBD Bolt Down 20

0HEVxxx.SXBDY Blade 20

Time-Current Characteristics

% of Rating

100 100 hrs / - 100 hrs / - 100 hrs / -

110 4 hrs / - 4 hrs / - -

135 100 / 3600 150 / 3600 150 / 3600

150 10 / 1000 10 / 1000 10 / 1000

200 0.5 / 100 0.5 / 100 0.5 / 100

300 0.1 / 15 0.1 / 15 0.1 / 15

500 0.05 / 1 0.05 / 1 0.05 / 1

Opening Time Min / Max (s)

10A

Opening Time Min / Max (s)

15A, 20A, 30A

Opening Time Min / Max (s)

40A

Ratings

Part Number Current Rating Color Code

0HEV010.xxx 10A 114 mV 300 mV 13.3 mOhm 255 A²s

0HEV015.xxx 15A 96 mV 200 mV 7.9 mOhm 133 A²s

0HEV020.xxx 20A 79 mV 200 mV 6.4 mOhm 268 A²s

0HEV030.xxx 30A 67 mV 200 mV 2.7 mOhm 993 A²s

0HEV040.xxx 40A 69 mV 200 mV 1.3 mOhm 1495 A²s

Typical Voltage Drop

at 70% I

R

Maximum Voltage

Drop Spec at 100% IR

Cold Resistance Minimum Melting I²t

Average Initial

Measurements

77

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LC HEV FUSE

10A

15A

20A

30A

40A

O

LC HEV FUSE

Advanced Power Systems

Advanced Power Systems

Time-Current Characteristic Curves

1000

100

10

NDS

1

TIME IN SEC

0.1

Dimensions

Dimensions in mm

0.01
1 10 100 1000

CURRENT IN AMPERES

78

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