030923
WebSite Europe Tel: +49 2302 662-107 Americas Tel: +1 404 699-7820 Asia Tel: +852 26 14-1108 China Tel: +86 21 6432 5146
www.wickmann.com E-mail: sales@wickmann.com E-mail: service@wickmannusa.com E-mail: sales@wickmann.com.hk E-mail: sales@wickmann.cn
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 ϕ = 1.0
50A / 80VDC
35A / 125VAC
50-60Hz; cos ϕ = 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
URFACEURFACE
URFACEURFACE
URFACE
M M
M M
M
OUNTOUNT
OUNTOUNT
OUNT
F F
F F
F
USESUSES
USESUSES
USES
No.No.
No.No.
No.
425 / 425 /
425 / 425 /
425 /
X-SMQX-SMQ
X-SMQX-SMQ
X-SMQ
Dimensions (mm)Dimensions (mm)
Dimensions (mm)Dimensions (mm)
Dimensions (mm)
OrderOrder
OrderOrder
Order
Qty.Qty.
Qty.Qty.
Qty.
Order-Order-
Order-Order-
Order-
SeriesSeries
SeriesSeries
Series
Amp Code Packaging Amp Code Packaging
Amp Code Packaging Amp Code Packaging
Amp Code Packaging
InformationInformation
InformationInformation
Information
NumberNumber
NumberNumber
Number
425
Pad LayoutPad Layout
Pad LayoutPad 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
≤≤
≤≤
≤
77
77
7
0% at ambient temperature of 23ºC (73.4ºF).0% at ambient temperature of 23ºC (73.4ºF).
0% at ambient temperature of 23ºC (73.4ºF).0% at ambient temperature of 23ºC (73.4ºF).
0% at ambient temperature of 23ºC (73.4ºF).
Limits for Pre-arcing TimeLimits for Pre-arcing Time
Limits for Pre-arcing TimeLimits for Pre-arcing Time
Limits for Pre-arcing Time
Rated Current 2.0 x I
N
500mA ... 5.00A 1s ... 60s
SpecificationsSpecifications
SpecificationsSpecifications
Specifications
PackagingPackaging
PackagingPackaging
Packaging
010: Blister tape 38 cm reel (1500pcs.)
tape width 16 mm
Materials of the HolderMaterials of the Holder
Materials of the HolderMaterials of the Holder
Materials of the Holder
Housing: Holder plastics UL94VO
Terminals: Copper alloy, Ni+Sn plated,
lead free
Operating TOperating T
Operating TOperating T
Operating T
emperatureemperature
emperatureemperature
emperature
-55ºC to +125ºC (consider de-rating)
Climatic CategoryClimatic Category
Climatic CategoryClimatic Category
Climatic Category
-55ºC/+125ºC/21 days (IEC 60068-2-1...3)
Stock ConditionsStock Conditions
Stock ConditionsStock Conditions
Stock Conditions
+10ºC to +60ºC
relative humidity ≤ 75% yearly average,
without dew, maximum value for 30 days-95%
VV
VV
V
ibration Resistanceibration Resistance
ibration Resistanceibration Resistance
ibration Resistance
24 cycles at 15 min. each (IEC 60068-2-6)
10 - 60Hz at 0.75mm amplitude
60 - 2000Hz at 10g acceleration
SolderabilitySolderability
SolderabilitySolderability
Solderability
235ºC, 3 sec. (IEC 60068-2-58)
Soldering Heat ResistanceSoldering Heat Resistance
Soldering Heat ResistanceSoldering Heat Resistance
Soldering Heat Resistance
260ºC, 10 sec. (IEC 60068-2-58)
280°C, 5 sec.
Minimum Cross Section, CopperMinimum Cross Section, Copper
Minimum Cross Section, CopperMinimum Cross Section, Copper
Minimum Cross Section, Copper
Conducting path - 0.1mm
2
Thickness - 0.035mm
MountingMounting
MountingMounting
Mounting
Avoid circuit traces below the fuse
Marking on fuseMarking on fuse
Marking on fuseMarking on fuse
Marking on fuse
T, Current Rating
Unit WeightUnit Weight
Unit WeightUnit Weight
Unit Weight
0.4g (approx.)
UL 248-14, 125VUL 248-14, 125V
UL 248-14, 125VUL 248-14, 125V
UL 248-14, 125V
, T, T
, T, T
, T
Holder with mounted fuse No. 420Holder with mounted fuse No. 420
Holder with mounted fuse No. 420Holder with mounted fuse No. 420
Holder with mounted fuse No. 420
TT
TT
T
ime-Current Characteristicime-Current Characteristic
ime-Current Characteristicime-Current Characteristic
ime-Current Characteristic
Time Lag (T)
StandardStandard
StandardStandard
Standard
UL 248-14
CSA C22.2 No. 248.14
ApprovalsApprovals
ApprovalsApprovals
Approvals
cULus Recognized
FeaturesFeatures
FeaturesFeatures
Features
Quicker and easier replacement of the fuse
For line or low voltage applications
Low voltage drop
Internationally approved
High pulse resistance
For reflow soldering
WW
WW
W
ebLinksebLinks
ebLinksebLinks
ebLinks
Further info see:Further info see:
Further info see:Further info see:
Further info see:
www.wickmann.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.
p
p
p
p
p
p
p
p
p
p
p=pending
