參數(shù)資料
型號(hào)： 425
廠商： Littelfuse, Inc.
元件分類： 保險(xiǎn)絲
英文描述： SURFACE MOUNT FUSES
中文描述： 表面貼裝保險(xiǎn)絲
文件頁(yè)數(shù)： 1/2頁(yè)
文件大?。?/td> 77K
代理商： 425
050912
WebSite
www.wickmanngroup.com E-mail: sales@wickmann.com
Europe
Tel: +49 2302 662-107
Americas
Tel: +1 404 699-7820
E-mail: service@wickmannusa.com
Asia
Tel: +852 26 14-1108
E-mail: sales@wickmann.com.hk
China
Tel: +86 21 6432 5146
E-mail: sales@wickmann.cn
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
430
300
270
150
165
130
125
112
110
100
230
270
435
270
380
400
450
512
560
620
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
c
50A / 125VAC
50-60Hz
cos
= 1.0
50A / 80VDC
35A / 125VAC
50-60Hz; cos
= 1.0
50A / 80VDC
5
3
10
4,24
+0,05
2,13
+0,05
4,24
+0,05
3
+
*)
S
URFACE
No. 425 / X-SMQ
This product is not recommended
for new designs. Please refer to
Littelfuse No. 154T.
M
OUNT
F
USES
Dimensions (mm)
Order
Information
Qty.
Order-
Number
Series
425
Amp Code Packaging
Pad Layout
Permissible continuous operating current is
≤
70% at ambient temperature of 23oC (73.4oF).
Rated
Amp
Voltage
Current
code
Rating
Breaking
Voltage Drop
Capacity
1.0 x I
typ. (mV)
Limits for Pre-arcing Time
Rated Current
2.0 x I
N
1s ... 60s
500mA ... 5.00A
Specifications
Packaging
010: Blister tape 38 cm reel (1500pcs.)
tape width 16 mm
Materials of the Holder
Housing:
Holder plastics UL94 V-O
Terminals:
Copper alloy, Ni+Sn plated,
lead free
Operating Temperature
-55oC to +125oC (consider de-rating)
Climatic Category
-55oC/+125oC/21 days (IEC 60068-2-1...3)
Stock Conditions
+10oC to +60oC
relative humidity
≤
75% yearly average,
without dew, maximum value for 30 days-95%
Vibration Resistance
24 cycles at 15 min. each (IEC 60068-2-6)
10 - 60Hz at 0.75mm amplitude
60 - 2000Hz at 10g acceleration
Solderability
235oC, 3 sec. (IEC 60068-2-58)
Soldering Heat Resistance
260oC, 10 sec. (IEC 60068-2-58)
280°C, 5 sec.
Minimum Cross Section, Copper
Conducting path - 0.1mm
2
Thickness - 0.035mm
Mounting
Avoid circuit traces below the fuse
Marking on fuse
T, Current Rating
Unit Weight
0.4g (approx.)
UL 248-14, 125V, T
Holder with mounted fuse No. 420
ime-Current Characteristic
Time Lag (T)
Standard
UL 248-14
CSA C22.2 No. 248.14
Approvals
cULus Recognized
Features
Easy exchange of the fuse
For line or low voltage applications
Low voltage drop
Internationally approved
High pulse resistance
For reflow soldering
WebLinks
Further info see:
www.wickmanngroup.com
Further application info see Fuseology:
www.wickmann.com/download/fuseology.pdf
Specifications are subject
to change without notice
Power Dissipation Melting Integral
1.0 x I
10 x I
N
typ. (mW)
Approvals
min. (A
2
s)
typ.
*) Please note: The holder no. 425 is lead-free, but not the inserted fuse no. 420
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