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參數資料
| 型號： | 0435.250KR |
| 元件分類： | 保險絲 |
| 英文描述： | FAST BLOW ELECTRIC FUSE, 0.25A, 32VDC, 35A (IR), SURFACE MOUNT |
| 封裝： | ROHS COMPLIANT |
| 文件頁數： | 2/3頁 |
| 文件大小： | 387K |
| 代理商： | 0435.250KR |
www.littelfuse.com
2006 Littelfuse
435 Series
Specifications are subject to change without notice.
Electronics Designers Guide
Surface Mount Fuses
SlimLine – 0402 Fast-Acting Fuse
Temperature Rerating Curve
AMBIENT TEMPERATURE (C)
PERCENT
OF
RA
TING
-60
-40
-20
0
60
80
100
40
20
40
60
80
100
120
140
Average Time Current Curves
Average time Current Curve
0.001
0.01
0.1
1
10
100
0
1
0
1
.
0
CURRENT IN AMPERES
TI
M
E
IN
SE
CO
N
D
S
1.
0A
.75A
.50A
.375A
.25A
1.25A
1.5A
1.75A
2.0A
2.5A 3.0A 3.5A 4.0A
5.0A
Soldering Parameters
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 – 180 secs
Average ramp up rate (Liquidus Temp
(T
L) to peak
5°C/second max
T
S(max) to TL - Ramp-up Rate
5°C/second max
Reflow
- Temperature (T
L) (Liquidus)
217°C
- Temperature (t
L)
60 – 150 seconds
Peak Temperature (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 peak Temperature (T
P)
8 minutes Max.
Do not exceed
260°C
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