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深圳市凯集电子有限公司
主营：保险丝,温控器,合金电阻,过载保护器,整流桥 - 13480782423
深圳市凯集电子有限公司
主营：保险丝,温控器,合金电阻,过载保护器,整流桥
7
5x20mm 陶瓷管慢断保险丝 --------UL CSA CCC
1.规格型号和安规认证
MODEL NUMBER AND SAFETY CERTIFICATION
品名规格：系列号+额定电流+额定电压+认证符号
Model Number: Part Number+Rated Current+Rated Voltage+Approvals.
例子[example]:
5CTU 2A 125V/250V 1)系列号 Part Number
2)额定电流 Rated Current
1） 2） 3） 3)额定电压 Rated Voltage
1-2 额定电流和额定电压
Rated Current And Voltage
额定电流： 32mA~20A
Rated Current: 32mA~20A
额定电压:125V/250V AC
Rated Voltage:125V/250V AC
1-3标示Marking
保险丝上需有下列标示
The fuse shall have the following marking:
规格：特性符号+额定电流+额定电压
Specification:Characteristic Symbol+Rated Voltage
32mA~800mA : _mA125V/250V 1A~20A:_125V/A250V
Trade mark:The Manufacture’s Logo+Part Number+Approvals
32mA~20A:
注意：对标示字样大小没有规定
Note:Size of the markings have not be specified.
2.适用范围
SCOPE
适用於一般电子设备。Used in electronic equipment.
3.工程图和结构
OUTLINE DRAWING AND STRUCTURE
3-1 工程图（单位：mm）
Outline Drawing and Dimensions(Unit:mm)
3-2结构
Structure
编号
No. 元件
Component 材质
Material 数量
Quantity
(1) 熔丝
Wire 合金
Alloy 1
(2) 铜帽
Cap 黄铜镀镍
Brass with mickel plated 2
(3) 本体
Body 陶瓷管
ceramic Tube 1
(4) 引线
Lead 镀锡铜线
Tinned Copper wire 2
(5) 砂
Sand 石英砂
Quartz sand 1
4.外观及形状
APPEARANCES AND CONFIGURATION
4-1外观：不应有破碎、明显的污斑
Appearances:There shall no fragmentation and of remarkable blotch.
4-2形状：带脚的保险丝
Configuration:Axial Leaded Fuse.
5.物理特性
PHYSICAL CHARACTERISTIC
5-1 拉力测试
Tensile test
沿端子的轴向施加10N的拉力，持续1分钟。
Keep pulling the cap of the fuse with 10N at axial direction for 1 min.
6.电气特性
ELECTRICAL CHARACTERISTICS
熔断/电流特性：
Pre-Arcing Time/Current Characteristic
a、Breaking capacity（分断能力）(Time Lag and Fast Acting)
1500A/1000A 125V/250V AC
b、Electrical characteristics
美标（UL）
RATED CURRENT 1IN 1.35IN 2IN
MIN MIN MAX MIN MAX
32mA~20A 4H 15S 1H 0.5S 5SEC
c、Temperature character
When ** of rating the temperature rise doesn’t exceed 75℃.
d、Code&Approvals
Amp
Code Amp
Rating
(A) Voltage
Rating
(V) Nominal Cold
Resistance (Ohms) Nominal
Melting
I2t (A2 sec) Maximum
Voltage
Drop (mV) Agency Approvals
UL CSA CE
5CTU-.032 0.032 125/250 48.2580 0.01100 5000 x
5CTU-.040 0.04 125/250 31.8620 0.01100 4000 x
5CTU-.050 0.05 125/250 21.2920 0.01700 3500 x
5CTU-.063 0.063 125/250 14.2680 0.02800 3000 x
5CTU-.080 0.08 125/250 9.0700 0.07500 2500 x
5CTU-.100 0.1 125/250 6.0180 0.07900 2000 x
5CTU-.125 0.125 125/250 4.2000 0.1465 1900 x
5CTU-.160 0.16 125/250 3.7000 0.14400 1500 x x x
5CTU-.200 0.2 125/250 1.6000 0.3410 1300 x x x
5CTU-.250 0.25 125/250 1.0495 0.5405 1100 x x x
5CTU-.315 0.315 125/250 0.8475 1.1100 1000 x x x
5CTU-.400 0.4 125/250 0.5350 1.3250 900 x x x
5CTU-.500 0.5 125/250 0.3700 2.8250 300 x x x
5CTU-.600 0.60 125/250 0.2750 4.6750 250 x x x
5CTU-.800 0.8 125/250 0.0813 3.370 150 x x x
5CTU-001. 1 125/250 0.0613 6.730 150 x x x
5CTU-01.5 1.5 125/250 0.0336 23.350 150 x x x
5CTU-002. 2 125/250 0.0293 14.450 150 x x x
5CTU-02.5 2.5 125/250 0.0219 23.250 120 x x x
5CTU-003 3 125/250 0.0173 38.150 100 x x x
5CTU-004. 4 125/250 0.0129 69.10 100 x x x
5CTU-005. 5 125/250 0.0104 111.00 100 x x x
5CTU-006 6 125/250 0.0076 198.50 100 x x x
5CTU-007 7 125/250 0.0065 260.30 100 x x x
5CTU-008. 8 125/250 0.0059 341.50 100 x x x
5CTU-010. 10 125/250 0.0045 568.00 100 x x x
5CTU-12.5 12.5 125/250 0.0034 889.00 100 x x x
5CTU-015. 15 125/250 0.0028 1405.00 100 x x x
5CTU-016. 16 125/250 0.0021 1955.00 100 x x x
5CTU-20 20 125/250 0.0016 2085.00 100 x x x
Temperature Rerating Curve
Average Time Current Curves
7.环境特性
ENVIRONMENTAL SPECIFICATION
7-1 操作温度范围：-5℃~60℃
Operating Temperature: -5℃~60℃
7-2 保存条件
Storage Conditions
温度：+10℃~60℃
Temperature: +10℃~60℃
在相对湿度≤75%下平均可存放3年
On average, It can be stored below the relative humidity or 75% for 3 years.
在非露天下，相对湿度为95%下较多可存放30天。
Without dew, It can be kept under humidity of 95% for 30 days.
8.焊接条件
SOLDERING PAAMETERS
8-1波峰焊
Wave Solder
焊接温度：260±5℃
Soldering Temperature:260±5℃
焊接时间：4 Sec. Max.
Soldering Time:4 Sec.Max.
8-2手工焊锡
Manual Solder
焊接温度：350±5℃
Soldering Temperature: 350±5℃
焊接时间：3 Sec. Max.
Soldering Time: 3 Sec. Max.
9.其他使用注意事项
OTHER NOTICE IN USING
如果需在保险丝上加热缩套管，烘烤温度与时间需参照以下规定
If heat shrink tubing was needed,the roast temperature and time should be refer to the following.
设定烘烤温度：不大於150℃ 烘烤时间：50s Max.
The temperature should be sel under 150℃,roast time:50s Max.