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425 参数 Datasheet PDF下载

425图片预览
型号: 425
PDF下载: 下载PDF文件 查看货源
内容描述: 表面安装熔断器 [SURFACE MOUNT FUSES]
分类和应用:
文件页数/大小: 2 页 / 70 K
品牌: LITTELFUSE [ LITTELFUSE ]
 浏览型号425的Datasheet PDF文件第2页  
S
URFACE
M
OUNT
F
USES
This product is not recommended
for new designs. Please refer to
Littelfuse No. 154T.
No. 425 / X-SMQ
125V,
UL 248-14, 125V, T
Holder with mounted fuse No. 420
Time-Current Characteristic
Time Lag (T)
Specifications
Packaging
010: Blister tape 38 cm reel (1500pcs.)
tape width 16 mm
Housing:
Terminals:
Holder plastics UL94 V-O
Copper alloy, Ni+Sn plated,
lead free
Standard
Materials of the Holder
UL 248-14
CSA C22.2 No. 248.14
cULus Recognized
Approvals
Temperature
Operating Temperature
Climatic Category
Stock Conditions
Features
Dimensions (mm)
Easy exchange of the fuse
For line or low voltage applications
Low voltage drop
Internationally approved
High pulse resistance
For reflow soldering
-55ºC to +125ºC (consider de-rating)
-55ºC/+125ºC/21 days (IEC 60068-2-1...3)
+10ºC to +60ºC
relative humidity
75% yearly average,
without dew, maximum value for 30 days-95%
24 cycles at 15 min. each (IEC 60068-2-6)
10 - 60Hz at 0.75mm amplitude
60 - 2000Hz at 10g acceleration
235ºC, 3 sec. (IEC 60068-2-58)
260ºC, 10 sec. (IEC 60068-2-58)
280°C, 5 sec.
Conducting path - 0.1mm
2
Thickness - 0.035mm
W ebLinks
Further info see:
www.wickmanngroup.com
Further application info see Fuseology:
3,7
V ibration Resistance
Solderability
www.wickmann.com/download/fuseology.pdf
Soldering Heat Resistance
10
5
Minimum Cross Section, Copper
Mounting
Pad Layout
4,24
+0,05
2,13
+0,05
4,24
+0,05
Avoid circuit traces below the fuse
T, Current Rating
0.4g (approx.)
3,81
+0,05
Marking on fuse
Unit Weight
Limits for Pre-arcing Time
Rated Current
500mA ... 5.00A
*)
2.0 x I
N
1s ... 60s
Permissible continuous operating current is
70% at ambient temperature of 23ºC (73.4ºF).
Rated
Amp
Voltage
Breaking Voltage Drop Power Dissipation
Current
code
Rating
Capacity
1.0 x I
N
1.0 x I
N
typ. (mV)
typ. (mW)
500mA
750mA
1.00A
1.50A
2.00A
2.50A
3.00A
3.50A
4.00A
5.00A
0500
0750
1100
1150
1200
1250
1300
1350
1400
1500
125V
125V
125V
125V
125V
125V
125V
125V
125V
125V
50A / 125VAC
50-60Hz
cos
ϕ
= 1.0
50A / 80VDC
430
300
270
150
165
130
125
112
110
100
230
270
435
270
380
400
450
512
560
620
Melting Integral
10 x I
N
min. (A
2
s) typ.
0.22
0.75
1.60
3.20
5.50
8.50
11.0
21.0
30.0
50.0
0.29
1.0
2.2
5.0
6.8
11.0
14.5
28.0
40.0
74.0
Approvals
cURus
35A / 125VAC
50-60Hz; cos
ϕ
= 1.0
50A / 80VDC
*) Please note: The holder no. 425 is lead-free, but not the inserted fuse no. 420
Order
Information
050912
Qty.
Order-
Number
Series
425
Amp Code
Packaging
Specifications are subject
to change without notice
China
Tel: +86 21 6432 5146
E-mail: sales@wickmann.cn
WebSite
Europe
Tel: +49 2302 662-107
www.wickmanngroup.com E-mail: sales@wickmann.com
Americas
Tel: +1 404 699-7820
E-mail: service@wickmannusa.com
Asia
Tel: +852 26 14-1108
E-mail: sales@wickmann.com.hk