插片式保险丝 Blade Fuses
1
Offroad Truck & Bus Applications
www.littelfuse.com
©2008 Littelfuse
ATOF™ is a trademark of Littelfuse, Inc. All rights reserved.
ATOF™ Series Fuse
Specifications are subject to change without notice.
Product Technical Datasheet
ATOF™ 插片式保险丝 - 32 伏 / ATOF™ Blade Fuse Rated 32V
Littelfuse 开发用于汽车行业的 ATOF™ 保险丝已成为汽车, 工程
机械, 农用机械, 卡车及客车的独创的设备电路保护标准。此保险
丝便于识别，容易更换，可指定用于各种低电压电气设备
Developed by Littelfuse specifically for Off-Road Truck &
Bus vehicles, the ATOF™ style fuse has become the circuit
protection standard for original equipment manufacturers.
Readily identifiable and easily replaced, this fuse can be
specified for a variety of low voltage electronic applications. It is
designed to meet the harsh vibration, temperature and chemical
exposure requirements in the Off-Road Truck & Bus market.
规格 Specifications
电流额定值：1A、2A、3A、4A、5A、7.5A、10A、15A、20A、25A、30A、35A、
40A
工作电压: 32VDC
分断额定值：1000 安培，32VDC
工作温度范围：-40˚C 至 +105˚C
符合 ISO 8820-3 标准
Voltage Rating: 32 VDC
Interrupting Ratings: 1000A @ 32 VDC
Operating Temperature Range: -40˚C to +105˚C
Complies with ISO 8820-3.
% 额定值
% of Rating 电流额定值
Current Rating
熔断时间
Opening Time
Min / Max (s)
100 35-40 100 hrs / –
110 1-30 100 hrs / –
135 1-2 500 ms / 600 s
3-40 750 ms / 600 s
200 1-2 100 ms / 5.0 s
3-40 150 ms / 5.0 s
350 1-2 20 ms / 500 ms
3-40 80 ms / 500 ms
600 1-30 – / 100 ms
35-40 – / 150 ms
时间-电流特性曲线 /Time-Current Characteristics
插片式保险丝 Blade Fuses
Offroad Truck & Bus Applications
www.littelfuse.com
©2008 Littelfuse
ATOF™ is a trademark of Littelfuse, Inc. All rights reserved.
ATOF™ Series Fuse
Specifications are subject to change without notice.
Product Technical Datasheet 2
ATOF™ 插片式保险丝 - 32 伏 / ATOF™ Blade Fuse Rated 32V
产品料号
Part Number
电流额定值
Current Rating
外壳颜色
Housing Color
标准电压降
Typ. Voltage Drop
冷电阻
Cold Resistance I2t
0287001_ 1 A 176 mV 123 mΩ0.4 A²s
0287002_ 2 A 141 mV 53.5 mΩ1.4 A²s
0287003_ 3 A 137 mV 31.1 mΩ7.4 A²s
0287004_ 4 A 136 mV 22.8 mΩ14 A²s
0287005_ 5 A 128 mV 17.85 mΩ26 A²s
028707.5_ 7.5 A 116 mV 10.91 mΩ60 A²s
0287010_ 10 A 109 mV 7.70 mΩ115 A²s
0287015_ 15 A 102 mV 4.80 mΩ340 A²s
0287020_ 20 A 98 mV 3.38 mΩ520 A²s
0287025_ 25 A 92 mV 2.52 mΩ1080 A²s
0287030_ 30 A 84 mV 1.97 mΩ1510 A²s
0287035_ 35 A 87 mV 1.61 mΩ2280 A²s
0287040_ 40 A 96 mV 1.44 mΩ3310 A²s
尺寸 (mm) /Dimensions in mm ATOF™ Fuse Temperature Rerating Curve
ATOF™ 保险丝温度折减曲线
折减系数 (%电流额定值)
环境温度(°C)
