S
URFACE
M
OUNT
F
USES
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
Standard
UL 248-14
CSA C22.2 No. 248.14
Materials of the Holder
Housing:
Terminals:
Holder plastics UL94VO
Copper alloy, Ni+Sn plated,
lead free
Approvals
cULus Recognized
Te
O p e r a t i n g Te m p e r a t u r e
-55ºC to +125ºC (consider de-rating)
Features
Dimensions (mm)
Quicker and easier replacement of the fuse
For line or low voltage applications
Low voltage drop
Internationally approved
High pulse resistance
For reflow soldering
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%
W ebLinks
Further info see:
www.wickmann.com
Further application info see Fuseology:
www.wickmann.com/download/fuseology.pdf
3,7
V ibration 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.
10
5
Minimum Cross Section, Copper
Conducting path - 0.1mm
2
Thickness - 0.035mm
Pad Layout
4,24
+0,05
2,13
+0,05
4,24
+0,05
Mounting
Avoid circuit traces below the fuse
3,81
+0,05
Marking on fuse
T, Current Rating
Unit Weight
Limits for Pre-arcing Time
Rated Current
500mA ... 5.00A
0.4g (approx.)
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
p
p
p
p
p
p
p
p
p
p
p=pending
Order
Information
030923
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
www.wickmann.com
Europe
Tel: +49 2302 662-107
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
S
URFACE
M
OUNT
F
USES
SMQuick / No. 425
I-t Characteristics
(Min-Max Limit)
Time (sec.)
00
0,0
10
0
,00
10
00
1,0
0
10
10
1
0.1
1
0.0
0
0.0
1
WebSite
www.wickmann.com
UL 248-14
Test value
1
1.5
2
3
4
5
6
7 8 9 10
15
I
Fault
/ I
Rated
Contact WICKMANN for individual I-t curves
030923
Europe
Tel: +49 2302 662-107
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
China
Tel: +86 21 6432 5146
E-mail: sales@wickmann.cn