050912
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.wickmanngroup.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
210
120
0.30
0.39
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
50 A / 125 V AC
50-60Hz
cos = 1.0
50 A / 80 V DC
35 A / 125 V AC
50-60 Hz; cos = 1.0
50 A / 80 V DC
6,1 0,2
1,45 -0,2
max. 2,77
1,45 -0,2
3,0
1,96 +0,05
1,96 +0,05
3,15 +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. 420 SM
420 SM
420 SM
420 SM
420 SM
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
420
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
500 mA ... 5.00 A
1 s ... 60 s
Specifications
Specifications
Specifications
Specifications
Specifications
Packaging
Packaging
Packaging
Packaging
Packaging
000: Blister tape 18 cm reel (1000 pcs.)
001: Blister tape 33 cm reel (5000 pcs.)
Tape width 12 mm
M a t e r i a l s
M a t e r i a l s
M a t e r i a l s
M a t e r i a l s
M a t e r i a l s
Housing:
Ceramic
Element:
Wire
Terminals:
Copper alloy, silver plated
Operating T
Operating T
Operating T
Operating T
Operating Temperature
emperature
emperature
emperature
emperature
-55 C to +125 C (consider de-rating)
Climatic Category
Climatic Category
Climatic Category
Climatic Category
Climatic Category
-55 C/+125 C/21 days (IEC 60068-1,-2-1,-2-2,-2-78)
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 - 60 Hz at 0.75 mm amplitude
60 - 2000 Hz at 10 g acceleration
Solderability
Solderability
Solderability
Solderability
Solderability
235 C, 3 s (IEC 60068-2-58)
Soldering Heat Resistance
Soldering Heat Resistance
Soldering Heat Resistance
Soldering Heat Resistance
Soldering Heat Resistance
260 C, 10 s (IEC 60068-2-58)
Minimum Cross Section, Copper
Minimum Cross Section, Copper
Minimum Cross Section, Copper
Minimum Cross Section, Copper
Minimum Cross Section, Copper
Conducting path - 0.175 mm
2
Thickness - 0.035 mm
Mounting
Mounting
Mounting
Mounting
Mounting
Avoid circuit traces below the fuse
M a r k i n g
M a r k i n g
M a r k i n g
M a r k i n g
M a r k i n g
T, Current Rating
Unit W
Unit W
Unit W
Unit W
Unit Weight
eight
eight
eight
eight
0.23g (approx.)
UL 248-14, 125 V
UL 248-14, 125 V
UL 248-14, 125 V
UL 248-14, 125 V
UL 248-14, 125 V, T
, T
, T
, T
, T
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
Heat resistant ceramic housing
For line or low voltage applications
Low voltage drop
Internationally approved
High pulse resistance
Also available as holder system 425 with
mounted fuse 420
W
W
W
W
WebLinks
ebLinks
ebLinks
ebLinks
ebLinks
Further infos see:
Further infos see:
Further infos see:
Further infos see:
Further infos see:
www.wickmanngroup.com
Further application infos see Fuseology:
Further application infos see Fuseology:
Further application infos see Fuseology:
Further application infos see Fuseology:
Further application infos see Fuseology:
www.wickmanngroup.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.
This product is not recommended
for new designs. Please refer to
Littelfuse No. 452.
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