参数资料
型号: 0157.200DR
元件分类: 保险丝
英文描述: VERY FAST BLOW ELECTRIC FUSE, 0.2A, 125VAC, 125VDC, 50A (IR), SURFACE MOUNT
封装: HALOGEN FREE AND ROHS COMPLIANT
文件页数: 2/4页
文件大小: 164K
代理商: 0157.200DR
Introduction to Circuit Protection
Introduction to Circuit Protection
Transientology
96
2009 Littelfuse, Inc.
Specifications are subject to change without notice.
Surface Mount Fuses
157 Series
NANO2 > 157 Fuse and Holder Combination
Please refer to www.littelfuse.com/series/157.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
0.001
0.010
0.100
1.000
10.000
0.01
0.1
1
10
100
TIME
IN
SECONDS
CURRENT IN AMPS
0.75
A
0.5
A
0.062A
10.0
A
8.0
A
7.0
A
6.30
A
5.0
A
4.0
A
3.50
A
3.0
A
2.50
A
2.0
A
1.50
A
1.0
A
0.375
A
0.25
A
0.2
A
0.125
A
0.315A
Note:
1. Derating depicted in this curve is in addition to the standard derating of 25% for
continuous operation.
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
相关PDF资料
PDF描述
0157.250DR VERY FAST BLOW ELECTRIC FUSE, 0.25A, 125VAC, 125VDC, 50A (IR), SURFACE MOUNT
0157.315DR VERY FAST BLOW ELECTRIC FUSE, 0.315A, 125VAC, 125VDC, 50A (IR), SURFACE MOUNT
0157.375DR VERY FAST BLOW ELECTRIC FUSE, 0.375A, 125VAC, 125VDC, 50A (IR), SURFACE MOUNT
0157.500DR VERY FAST BLOW ELECTRIC FUSE, 0.5A, 125VAC, 125VDC, 50A (IR), SURFACE MOUNT
0157.750DR VERY FAST BLOW ELECTRIC FUSE, 0.75A, 125VAC, 125VDC, 50A (IR), SURFACE MOUNT
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