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 Low Current HEV Fuses 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 Ordering Information 0HEV040.ZXBD Time-Current Characteristics Part Number Termination Package Size 0HEVxxx.ZXC Cartridge 240 0HEVxxx.ZXISO Bolt Down (ISO) 240 0HEVxxx.ZXPY Blade 240 0HEVxxx.ZXBD Bolt Down (Axial) 240 0HEVxxx.ZXPCB PCB Mount 240 0HEVxxx.ZXPCBL PCB Mount (Long) 240 % of Rating Opening Time Min / Max (s) 10A Opening Time Min / Max (s) 15A, 20A, 30A Opening Time Min / Max (s) 40A 100 110 135 150 200 300 500 100 hrs / 4 hrs / 100 / 3600 10 / 1000 0.5 / 100 0.1 / 15 0.05 / 1 100 hrs / 4 hrs / 150 / 3600 10 / 1000 0.5 / 100 0.1 / 15 0.05 / 1 100 hrs / 150 / 3600 10 / 1000 0.5 / 100 0.1 / 15 0.05 / 1 Ratings Part Number 0HEV010.xxx 0HEV015.xxx 0HEV020.xxx 0HEV030.xxx 0HEV040.xxx Current Rating (A) 10 15 20 30 40 Typical Voltage Drop at 70% IR (mV) 114 96 79 67 69 Color Code Maximum Voltage Drop Spec at 100% IR (mV) 300 200 200 200 200 Typical Cold Resistance (mΩ) 12.8 7.9 5.0 2.7 2.0 Minimum Melting I²t (A2s) 255 133 268 993 1495 (Average Initial Measurements) Time-Current Characteristic Curves Temperature Rerating Curve 20A 30A 40A 15A 10A LC HEV FUSE 1000 100 TIME IN SECO ONDS 10 1 0.1 0.01 1 10 100 1000 CURRENT IN AMPERES Littelfuse products are designed for specific applications and should not be used for any purpose (including, without limitation, automotive applications) not 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 product 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 product documentation. littelfuse.com High Voltage Fuses Low Current HEV Fuse Dimensions Dimensions in mm ZXC Cartridge ZXBD Bolt Down (Axial) ZXISO Bolt Down (ISO) ZXPCB PCB Mount ZXPY Blade ZXPCBL PCB Mount (Long) Littelfuse products are designed for specific applications and should not be used for any purpose (including, without limitation, automotive applications) not 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 product 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 product documentation. littelfuse.com