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參數資料
| 型號： | 0251.500VAL |
| 元件分類： | 保險絲 |
| 英文描述： | VERY FAST BLOW ELECTRIC FUSE, 0.5A, 125VAC, 125VDC, 50A (IR), THROUGH HOLE |
| 封裝： | ROHS COMPLIANT |
| 文件頁數： | 2/3頁 |
| 文件大小： | 153K |
| 代理商： | 0251.500VAL |
2
Cartridge and Axial Lead Fuses
2008 Littelfuse, Inc.
Specications are subject to change without notice.
Please refer to www.littelfuse.com for current information.
Revised: August 14, 2008
251/253 Series
PICO II > Very Fast-Acting > 251/253 Series
Cartridge and Axial Lead Fuses
PICO II > Very Fast-Acting > 251/253 Series
Average Time Current Curves
Temperature Rerating Curve
Soldering Parameters
100
10
1
0.1
0.01
0.001
0.062A
0.05 0.1
1
10
100
1000
0.125A
0.250A 0.375A 0.50A 0.75A 1.00A
1.50A 2.0A 2.5A 3.0A 3.5A 4A 5A 7A 10A 12A 15A
TIME
IN
SECONDS
CURRENT IN AMPERES
1.25A
Wave Parameter
Lead-Free Recommendation
Preheat:
Temperature Minimum:
100
° C
Temperature Maximum:
150
° C
Preheat Time:
60-180 seconds
Solder PotTemperature:
260
° C Maximum
Solder DwellTime:
2-5 seconds
Recommended Hand-Solder Parameters:
Note: These devices are not recommended for IR or
Convection Reow process.
Recommended Process Parameters:
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| 0251.500VRT1L | VERY FAST BLOW ELECTRIC FUSE, 0.5A, 125VAC, 125VDC, 50A (IR), THROUGH HOLE |
| 0251.500VXL | VERY FAST BLOW ELECTRIC FUSE, 0.5A, 125VAC, 125VDC, 50A (IR), THROUGH HOLE |
| 0251.750VAL | VERY FAST BLOW ELECTRIC FUSE, 0.75A, 125VAC, 125VDC, 50A (IR), THROUGH HOLE |
| 0251.750VRT1L | VERY FAST BLOW ELECTRIC FUSE, 0.75A, 125VAC, 125VDC, 50A (IR), THROUGH HOLE |
| 0251.750VXL | VERY FAST BLOW ELECTRIC FUSE, 0.75A, 125VAC, 125VDC, 50A (IR), THROUGH HOLE |
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