050912
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Tel: +852 26 14-1108
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500mA
0500
125V
430
230
0.22
0.29
750mA
0750
125V
300
270
0.75
1.0
1.00A
1100
125V
270
435
1.60
2.2
1.50A
1150
125V
150
270
3.20
5.0
2.00A
1200
125V
165
380
5.50
6.8
2.50A
1250
125V
130
400
8.50
11.0
3.00A
1300
125V
125
450
11.0
14.5
3.50A
1350
125V
112
512
21.0
28.0
4.00A
1400
125V
110
560
30.0
40.0
5.00A
1500
125V
100
620
50.0
74.0
cURus
50A / 125VAC
50-60Hz
cos = 1.0
50A / 80VDC
35A / 125VAC
50-60Hz; cos = 1.0
50A / 80VDC
5
3,7
10
4,24
+0,05
2,13
+0,05
4,24
+0,05
3,81
+0,05
* )
* )
* )
* )
* )
SS
SS
S
URFACE
URFACE
URFACE
URFACE
URFACE
M
M
M
M
M
OUNT
OUNT
OUNT
OUNT
OUNT
F
F
F
F
F
USES
USES
USES
USES
USES
No.
No.
No.
No.
No. 425 /
425 /
425 /
425 /
425 / X-SMQ
X-SMQ
X-SMQ
X-SMQ
X-SMQ
Dimensions (mm)
Dimensions (mm)
Dimensions (mm)
Dimensions (mm)
Dimensions (mm)
Order
Order
Order
Order
Order
Qty.
Qty.
Qty.
Qty.
Qty.
Order-
Order-
Order-
Order-
Order-
Series
Series
Series
Series
Series
Amp Code Packaging
Amp Code Packaging
Amp Code Packaging
Amp Code Packaging
Amp Code Packaging
Information
Information
Information
Information
Information
Number
Number
Number
Number
Number
425
Pad Layout
Pad Layout
Pad Layout
Pad Layout
Pad Layout
Permissible continuous operating current is
Permissible continuous operating current is
Permissible continuous operating current is
Permissible continuous operating current is
Permissible continuous operating current is 777770% at ambient temperature of 23C (73.4F).
0% at ambient temperature of 23C (73.4F).
0% at ambient temperature of 23C (73.4F).
0% at ambient temperature of 23C (73.4F).
0% at ambient temperature of 23C (73.4F).
Limits for Pre-arcing Time
Limits for Pre-arcing Time
Limits for Pre-arcing Time
Limits for Pre-arcing Time
Limits for Pre-arcing Time
Rated Current
2.0 x I
N
500mA ... 5.00A
1s ... 60s
Specifications
Specifications
Specifications
Specifications
Specifications
Packaging
Packaging
Packaging
Packaging
Packaging
010: Blister tape 38 cm reel (1500pcs.)
tape width 16 mm
Materials of the Holder
Materials of the Holder
Materials of the Holder
Materials of the Holder
Materials of the Holder
Housing:
Holder plastics UL94 V-O
Terminals: Copper alloy, Ni+Sn plated,
lead free
Operating T
Operating T
Operating T
Operating T
Operating Temperature
emperature
emperature
emperature
emperature
-55C to +125C (consider de-rating)
Climatic Category
Climatic Category
Climatic Category
Climatic Category
Climatic Category
-55C/+125C/21 days (IEC 60068-2-1...3)
Stock Conditions
Stock Conditions
Stock Conditions
Stock Conditions
Stock Conditions
+10C to +60C
relative humidity 75% yearly average,
without dew, maximum value for 30 days-95%
VV
VV
Vibration Resistance
ibration Resistance
ibration Resistance
ibration Resistance
ibration Resistance
24 cycles at 15 min. each (IEC 60068-2-6)
10 - 60Hz at 0.75mm amplitude
60 - 2000Hz at 10g acceleration
Solderability
Solderability
Solderability
Solderability
Solderability
235C, 3 sec. (IEC 60068-2-58)
Soldering Heat Resistance
Soldering Heat Resistance
Soldering Heat Resistance
Soldering Heat Resistance
Soldering Heat Resistance
260C, 10 sec. (IEC 60068-2-58)
280C, 5 sec.
Minimum Cross Section, Copper
Minimum Cross Section, Copper
Minimum Cross Section, Copper
Minimum Cross Section, Copper
Minimum Cross Section, Copper
Conducting path - 0.1mm
2
Thickness - 0.035mm
Mounting
Mounting
Mounting
Mounting
Mounting
Avoid circuit traces below the fuse
Marking on fuse
Marking on fuse
Marking on fuse
Marking on fuse
Marking on fuse
T, Current Rating
Unit Weight
Unit Weight
Unit Weight
Unit Weight
Unit Weight
0.4g (approx.)
UL 248-14, 125V
UL 248-14, 125V
UL 248-14, 125V
UL 248-14, 125V
UL 248-14, 125V, T
, T
, T
, T
, T
Holder with mounted fuse No. 420
Holder with mounted fuse No. 420
Holder with mounted fuse No. 420
Holder with mounted fuse No. 420
Holder with mounted fuse No. 420
TT
TT
Time-Current Characteristic
ime-Current Characteristic
ime-Current Characteristic
ime-Current Characteristic
ime-Current Characteristic
Time Lag (T)
Standard
Standard
Standard
Standard
Standard
UL 248-14
CSA C22.2 No. 248.14
Approvals
Approvals
Approvals
Approvals
Approvals
cULus Recognized
Features
Features
Features
Features
Features
Easy exchange of the fuse
For line or low voltage applications
Low voltage drop
Internationally approved
High pulse resistance
For reflow soldering
W
W
W
W
WebLinks
ebLinks
ebLinks
ebLinks
ebLinks
Further info see:
Further info see:
Further info see:
Further info see:
Further info see:
www.wickmanngroup.com
Further application info see Fuseology:
Further application info see Fuseology:
Further application info see Fuseology:
Further application info see Fuseology:
Further application info see Fuseology:
www.wickmann.com/download/fuseology.pdf
Specifications are subject
to change without notice
Rated
Amp
Voltage
Breaking
Voltage Drop Power Dissipation Melting Integral
Approvals
Current
code
Rating
Capacity
1.0 x I
N
1.0 x I
N
10 x I
N
typ. (mV)
typ. (mW)
min. (A
2
s) typ.
*) Please note: The holder no. 425 is lead-free, but not the inserted fuse no. 420
This product is not recommended
for new designs. Please refer to
Littelfuse No. 154T.
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