參數(shù)資料
型號(hào)： 0437005.WR
元件分類： 保險(xiǎn)絲
英文描述： FAST BLOW ELECTRIC FUSE, 5A, 32VAC, 35VDC, 50A (IR), SURFACE MOUNT
封裝： HALOGEN FREE AND ROHS COMPLIANT
文件頁數(shù)： 2/3頁
文件大?。?/td> 504K
代理商： 0437005.WR
Introduction to Circuit Protection
Introduction to Circuit Protection
Transientology
18
2009 Littelfuse, Inc.
Specifications are subject to change without notice.
Surface Mount Fuses
Please refer to www.littelfuse.com/series/437.html for current information.
437 Series
Ceramic Fuse > 437 Series
Average Time Current Curves
0.001
0.01
0.1
1
10
100
0.1
1
10
100
CURRENT IN AMPERES
T
IM
E
IN
S
E
C
O
N
D
S
.2
50
A
.3
75
A
.50
0A
.750A 1A
2A
7A
1.25 1.5A 1.75
2.5A 3A 3.5A 4A 5A
8A
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)
60–180seconds
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)
60–150seconds
peakTemperature (T
p)
260+0/-5 °C
Time within 5°c of actual peak
Temperature (t
p)
10–30seconds
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)
P
E
R
C
E
N
T
O
F
R
A
T
IN
G
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
Example:
For continuous operation at 75 degrees celsius, the fuse should be rerated as follows:
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.
Wave Soldering
260°C, 10 seconds max.
相關(guān)PDF資料
PDF描述
0437007.WR FAST BLOW ELECTRIC FUSE, 7A, 32VAC, 35VDC, 50A (IR), SURFACE MOUNT
0437008.WR FAST BLOW ELECTRIC FUSE, 8A, 32VAC, 35VDC, 50A (IR), SURFACE MOUNT
043701.5WR FAST BLOW ELECTRIC FUSE, 1.5A, 63VAC, 63VDC, 50A (IR), SURFACE MOUNT
043702.5WR FAST BLOW ELECTRIC FUSE, 2.5A, 32VAC, 35VDC, 50A (IR), SURFACE MOUNT
043703.5WR FAST BLOW ELECTRIC FUSE, 3.5A, 32VAC, 35VDC, 50A (IR), SURFACE MOUNT
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
0437007.WR 功能描述:保險(xiǎn)絲 32V FA 1206 7A RoHS:否 制造商:Littelfuse 產(chǎn)品:Surface Mount Fuses 電流額定值:0.5 A 電壓額定值:600 V 保險(xiǎn)絲類型:Fast Acting 保險(xiǎn)絲大小/組:Nano 尺寸:12.1 mm L x 4.5 mm W 安裝風(fēng)格: 端接類型:SMD/SMT 系列:485
0437008.WR 功能描述:保險(xiǎn)絲 32V FA 1206 8A RoHS:否 制造商:Littelfuse 產(chǎn)品:Surface Mount Fuses 電流額定值:0.5 A 電壓額定值:600 V 保險(xiǎn)絲類型:Fast Acting 保險(xiǎn)絲大小/組:Nano 尺寸:12.1 mm L x 4.5 mm W 安裝風(fēng)格: 端接類型:SMD/SMT 系列:485
043701.5WR 功能描述:保險(xiǎn)絲 63V FA 1206 1.5A RoHS:否 制造商:Littelfuse 產(chǎn)品:Surface Mount Fuses 電流額定值:0.5 A 電壓額定值:600 V 保險(xiǎn)絲類型:Fast Acting 保險(xiǎn)絲大小/組:Nano 尺寸:12.1 mm L x 4.5 mm W 安裝風(fēng)格: 端接類型:SMD/SMT 系列:485
043702.5WR 功能描述:保險(xiǎn)絲 32V FA 1206 2.5A RoHS:否 制造商:Littelfuse 產(chǎn)品:Surface Mount Fuses 電流額定值:0.5 A 電壓額定值:600 V 保險(xiǎn)絲類型:Fast Acting 保險(xiǎn)絲大小/組:Nano 尺寸:12.1 mm L x 4.5 mm W 安裝風(fēng)格: 端接類型:SMD/SMT 系列:485
043703.5WR 功能描述:保險(xiǎn)絲 32V FA 1206 3.5A RoHS:否 制造商:Littelfuse 產(chǎn)品:Surface Mount Fuses 電流額定值:0.5 A 電壓額定值:600 V 保險(xiǎn)絲類型:Fast Acting 保險(xiǎn)絲大小/組:Nano 尺寸:12.1 mm L x 4.5 mm W 安裝風(fēng)格: 端接類型:SMD/SMT 系列:485
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