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參數(shù)資料
| 型號(hào)： | 0157.500.DR |
| 元件分類： | 保險(xiǎn)絲 |
| 英文描述： | VERY FAST BLOW ELECTRIC FUSE, 0.5A, 125VAC, 125VDC, 50A (IR), SURFACE MOUNT |
| 封裝： | ROHS COMPLIANT |
| 文件頁(yè)數(shù)： | 2/3頁(yè) |
| 文件大小： | 158K |
| 代理商： | 0157.500.DR |
98
Revision: September 9, 2008
Surface Mount Fuses
Specications are subject to change without notice.
Refer to www.littelfuse.com/series/0157.html and /0157T.html for current information.
0157 Series
Nano2 > 157 Fuse and Holder Combination
Average Time Current Curves
Reow 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
5°C/second max
T
S(max) to TL - Ramp-up Rate
5°C/second max
Reow
-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)
Do not exceed
260°C
Soldering Parameters
Temperature Rerating Curve
Wave Soldering
260°C, 10 seconds max.
0.001
0.01
0.1
1
10
100
0.1
1
10
100
CURRENT IN AMPS
TIME
IN
S
E
CO
ND
S
.062A
.1
2
5
A
.20
0A
.2
5
0A
.37
5
A
.5
0A
.7
5
A
1.
0
A
1.
5
0A
2.0
0A
2.
5
0A
3.0
0A
3.
5
0A
6.30A
8.0
0A
4.0
0
A
5
.0
0A
10
.0
0A
7.
0
A
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