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参数资料
| 型号： | 0443003.DR |
| 元件分类： | 保险丝 |
| 英文描述： | TIME LAG BLOW ELECTRIC FUSE, 3A, 250VAC, 50A (IR), SURFACE MOUNT |
| 封装： | ROHS COMPLIANT |
| 文件页数： | 2/4页 |
| 文件大小： | 141K |
| 代理商： | 0443003.DR |
Revised: March 17, 2009
Introduction to Circuit Protection
Transientology
74
2009 Littelfuse, Inc.
Specifications are subject to change without notice.
Surface Mount Fuses
443 Series
NANO2 > 250V > Time Lag > 443 Series
Please refer to www.littelfuse.com/series/443.html for current information.
Average Time Current Curves
Reflow Condition
Pre Heat
-Temperature Min (T
s(min))
-Temperature Max (T
s(max))
-Time (Min to Max) (t
s)
Average ramp up rate (LiquidusTemp
(T
L) to peak
T
S(max) to TL - Ramp-up Rate
Reflow
-Temperature (T
L) (Liquidus)
-Temperature (t
L)
PeakTemperature (T
P)
Time within 5°C of actual peak
Temperature (t
p)
Ramp-down Rate
Time 25°C to peakTemperature (T
P)
Do not exceed
Soldering Parameters
Temperature Rerating Curve
0.001
0.01
0.1
1
10
100
0.1
1
10
100
1000
TIME
IN
SECONDS
CURRENT IN AMPS
0.50
A
0.75
A
1.00
A
1.50
A
2.00
A
2.50
A
3.00
A
3.50
A
4.00
A
5.00
A
Wave Soldering Parameters
Time
T
e
mperature
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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PDF描述 |
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| 0443002.DR | TIME LAG BLOW ELECTRIC FUSE, 2A, 250VAC, 50A (IR), SURFACE MOUNT |
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相关代理商/技术参数 |
参数描述 |
|---|---|
| 0443004.DR | 功能描述:保险丝 250V 4A TL NANO2 RoHS:否 制造商:Littelfuse 产品:Surface Mount Fuses 电流额定值:0.5 A 电压额定值:600 V 保险丝类型:Fast Acting 保险丝大小/组:Nano 尺寸:12.1 mm L x 4.5 mm W 安装风格: 端接类型:SMD/SMT 系列:485 |
| 0443-0040-02 | 制造商:未知厂家 制造商全称:未知厂家 功能描述:Tapped Delay Line |
| 0443-0040-10 | 制造商:未知厂家 制造商全称:未知厂家 功能描述:Tapped Delay Line |
| 0443-0045-02 | 制造商:未知厂家 制造商全称:未知厂家 功能描述:Tapped Delay Line |
| 0443005.DR | 功能描述:保险丝 250V 5A TL NANO2 RoHS:否 制造商:Littelfuse 产品:Surface Mount Fuses 电流额定值:0.5 A 电压额定值:600 V 保险丝类型:Fast Acting 保险丝大小/组:Nano 尺寸:12.1 mm L x 4.5 mm W 安装风格: 端接类型:SMD/SMT 系列:485 |
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