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参数资料
| 型号： | 044903.5MR |
| 元件分类： | 保险丝 |
| 英文描述： | SLOW BLOW ELECTRIC FUSE, 3.5A, 125VAC, 125VDC, 50A (IR), SURFACE MOUNT |
| 封装： | HALOGEN FREE AND ROHS COMPLIANT |
| 文件页数： | 2/4页 |
| 文件大小： | 165K |
| 代理商： | 044903.5MR |
Introduction to Circuit Protection
Introduction to Circuit Protection
Transientology
54
2009 Littelfuse, Inc.
Specifications are subject to change without notice.
Surface Mount Fuses
449 Series
NANO2 > Slo-Blo > 449 Series
Please refer to www.littelfuse.com/series/449.html for current information.
Reflow Condition
Pb – Free assembly
Pre Heat
-Temperature Min (T
s(min))
150°C
-Temperature Max (T
s(max))
200°C
-Time (Min to Max) (t
s)
60 – 120 secs
Average ramp up rate (LiquidusTemp
(T
L) to peak
3°C/second max.
T
S(max) to TL - Ramp-up Rate
3°C/second max.
Reflow
-Temperature (T
L) (Liquidus)
217°C
-Temperature (t
L)
60 – 90 seconds
PeakTemperature (T
P)
250+0/-5 °C
Time within 5°C of actual peak
Temperature (t
p)
20 – 40 seconds
Ramp-down Rate
5°C/second max.
Time 25°C to peakTemperature (T
P)
8 minutes max.
Do not exceed
260°C
Soldering Parameters
Average Time Current Curves
Temperature Rerating Curve
TIME
IN
SECONDS
CURRENT IN AMPERES
0.01
0.1
1
10
100
1000
0
1
10
100
3A
4A 5A
1.
5A
1A
.750A
.500A
.375A
2.
5A
2A
3.
5A
Note:
1. Derating depicted in this curve is in addition to the standard derating of 25% for
continuous operation.
Wave Soldering Parameters
Temperature,
3 seconds max.
Time
T
emperature
TP
TL
TS(max)
TS(min)
25
tP
tL
tS
time to peak temperature
(t 25C to peak)
Ramp-down
Ramp-up
Preheat
Critical Zone
TL to TP
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| 0449060000 | 功能描述:TERM BLK PCB 10 6CIRC PA BG RoHS:是 类别:连接器，互连式 >> 接线座 - 隔板块 系列:MK 标准包装:1 系列:Eurostyle™ 39600 端接块类型:欧式接线板 电路数:12 导线入口数目:24 间距:0.472"（12.00mm） 行数:2 电流:25A 电压:600V 线规:8-24 AWG 顶部端子:螺钉 底部端子:闭合式 阻挡层类型:封闭式 特点:- 颜色:白 包装:散装 安装类型:底座安装或面板安装 工作温度:- 材料 - 绝缘体:- 材料可燃性额定值:- 其它名称:039600-0312039600-0312-E03960003120396000312-E39600-0312-E396000312396000312-EC6012-601WM5917 |
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