參數(shù)資料
型號(hào): 0501012.WRT
元件分類(lèi): 保險(xiǎn)絲
英文描述: FAST BLOW ELECTRIC FUSE, 12A, 32VDC, 150A (IR), SURFACE MOUNT
封裝: HALOGEN FREE AND ROHS COMPLIANT
文件頁(yè)數(shù): 2/3頁(yè)
文件大小: 541K
代理商: 0501012.WRT
Introduction to Circuit Protection
Introduction to Circuit Protection
Transientology
26
2009 Littelfuse, Inc.
Specifications are subject to change without notice.
Surface Mount Fuses
501 Series
Ceramic Fuse > 501 Series
Please refer to www.littelfuse.com/series/501.html for current information.
Average Time Current Curves
0.001
0.01
0.1
1
10
1
10
100
1000
TIME
IN
SECONDS
CURRENT IN AMPERES
15A
10A 12A
20A
reflow condition
Pb–freeassembly
pre Heat
-Temperature min (T
s(min))
150°C
-Temperature max (T
s(max))
200°C
-Time (min to max) (t
s)
60 – 180 seconds
Average ramp-up rate (liquidusTemp
(T
l) to peak)
3°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
peakTemperature (T
p)
260+0/-5 °C
Time within 5°c of actual peak
Temperature (t
p)
10 – 30 seconds
ramp-down rate
6°C/second max.
Time 25°c to peakTemperature (T
p)
8 minutes max.
Do not exceed
260°C
Soldering Parameters
Temperature Rerating Curve
40
60
80
100
120
140
-65 -45
-25
-5
15
35
55
75
95
115 135 155
TEMPERATURE (°C)
PERCENT
OF
RATING
Wave Soldering
260°C, 10 seconds max.
Example:
Forcontinuousoperationat75degreescelsius,thefuseshouldbereratedasfollows:
I = (0.80)(0.85)I
RAT = (0.68)IRAT
Note:
1. Rerating depicted in this curve is in addition to the standard rerating of 20% for
continuous operation.
Time
Te
mperatur
e
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
相關(guān)PDF資料
PDF描述
0501015.WRT FAST BLOW ELECTRIC FUSE, 15A, 32VDC, 150A (IR), SURFACE MOUNT
0501020.WRT FAST BLOW ELECTRIC FUSE, 20A, 32VDC, 150A (IR), SURFACE MOUNT
0501015.WR FAST BLOW ELECTRIC FUSE, 15A, 24VDC, 150A (IR), SURFACE MOUNT
0501020.WR FAST BLOW ELECTRIC FUSE, 20A, 24VDC, 150A (IR), SURFACE MOUNT
0501010.WR FAST BLOW ELECTRIC FUSE, 10A, 24VDC, 150A (IR), SURFACE MOUNT
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