參數(shù)資料
型號: 0452002.MR
元件分類: 保險絲
英文描述: TIME LAG BLOW ELECTRIC FUSE, 2A, 125VAC, 125VDC, 50A (IR), SURFACE MOUNT
文件頁數(shù): 2/4頁
文件大?。?/td> 176K
代理商: 0452002.MR
Introduction to Circuit Protection
Introduction to Circuit Protection
Transientology
62
2009 Littelfuse, Inc.
Specifications are subject to change without notice.
Surface Mount Fuses
452/454 Series
NANO2 > Slo-Blo > 452/454 Series
Please refer to www.littelfuse.com/series/452.html
or /454.html for current information.
Average Time Current Curves
Reflow Condition
Pb – Free assembly
Pre Heat
-Temperature Min (T
s(min))
-Temperature Max (T
s(max))
-Time (Min to Max) (t
s)
60 – 120 secs
Average ramp up rate (LiquidusTemp
(T
L) to peak
T
S(max) to TL - Ramp-up Rate
Reflow
-Temperature (T
L) (Liquidus)
-Temperature (t
L)
60 – 90 seconds
PeakTemperature (T
P)
Time within 5°C of actual peak
Temperature (t
p)
20 – 40 seconds
Ramp-down Rate
Time 25°C to peakTemperature (T
P)
8 minutes max.
Do not exceed
Wave Soldering Parameters
Temperature,
Soldering Parameters
Temperature Rerating Curve
Note:
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
0.01
0.1
1
10
100
0.1
1
10
100
1000
TIME
IN
SECONDS
CURRENT IN AMPERES
375mA
500mA
1.00A
1.50A
2.00A
2.50A
3.00A
3.50A
4.00A
5.00A
7.00A
750mA
相關(guān)PDF資料
PDF描述
0452002.NR TIME LAG BLOW ELECTRIC FUSE, 2A, 125VAC, 125VDC, 50A (IR), SURFACE MOUNT
0452003.MR TIME LAG BLOW ELECTRIC FUSE, 3A, 125VAC, 125VDC, 50A (IR), SURFACE MOUNT
0452003.NR TIME LAG BLOW ELECTRIC FUSE, 3A, 125VAC, 125VDC, 50A (IR), SURFACE MOUNT
0452004.MR TIME LAG BLOW ELECTRIC FUSE, 4A, 125VAC, 125VDC, 50A (IR), SURFACE MOUNT
0452004.NR TIME LAG BLOW ELECTRIC FUSE, 4A, 125VAC, 125VDC, 50A (IR), SURFACE MOUNT
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