参数资料
型号: 0451.500MR
元件分类: 保险丝
英文描述: VERY FAST BLOW ELECTRIC FUSE, 0.5A, 125VAC, 125VDC, 50A (IR), SURFACE MOUNT
文件页数: 3/4页
文件大小: 183K
代理商: 0451.500MR
59
2009 Littelfuse, Inc.
Specifications are subject to change without notice.
Surface Mount Fuses
451/453 Series
NANO2 > Very Fast-Acting > 451/453 Series
451/453
Series
Please refer to www.littelfuse.com/series/451.html
or /453.html for current information.
Average Time Current Curves
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
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 – 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
Temperature Rerating Curve
100
10
1
0.1
0.01
0.001
.062A .125A
.250A
.375A .500A .750A 1A 1.5A 2A 2.5A 3A 3.5A 4A 5A 7A
10
A
12
A
15
A
0.05 0.1
1
10
100
1000
TIME
IN
SECONDS
CURRENT IN AMPERES
8A
.160A .200A
.315A
Note:
continuous operation.
Wave Soldering Parameters
Temperature,
10 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
相关PDF资料
PDF描述
0451.500NR VERY FAST BLOW ELECTRIC FUSE, 0.5A, 125VAC, 125VDC, 50A (IR), SURFACE MOUNT
0451.630MR VERY FAST BLOW ELECTRIC FUSE, 0.63A, 125VAC, 125VDC, 50A (IR), SURFACE MOUNT
0451.630NR VERY FAST BLOW ELECTRIC FUSE, 0.63A, 125VAC, 125VDC, 50A (IR), SURFACE MOUNT
0451.750MR VERY FAST BLOW ELECTRIC FUSE, 0.75A, 125VAC, 125VDC, 50A (IR), SURFACE MOUNT
0451.750NR VERY FAST BLOW ELECTRIC FUSE, 0.75A, 125VAC, 125VDC, 50A (IR), SURFACE MOUNT
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