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
Dimensions (mm)
Dimensions (mm)
Dimensions (mm)
Dimensions (mm)
Dimensions (mm)
size
L
W
H
c
d
FCD04 400mA - 3.15A 0402
1.00.05
0.50.05
0.40.10
0.20.10
0.25 0.10
Order
Order
Order
Order
Order
Qty.
Qty.
Qty.
Qty.
Qty.
Order-
Order-
Order-
Order-
Order-
TT
TT
Type
ype
ype
ype
ype
Amp Code
Amp Code
Amp Code
Amp Code
Amp Code
Packaging
Packaging
Packaging
Packaging
Packaging
Information
Information
Information
Information
Information
Number
Number
Number
Number
Number
FCD04
This product is not recommended
for new designs. Please refer to
Littelfuse No. 435.
SS
SS
S
URF
URF
URF
URF
URFACE
ACE
ACE
ACE
ACE
M
M
M
M
M
OUNT
OUNT
OUNT
OUNT
OUNT
F
F
F
F
F
USES
USES
USES
USES
USES
Dimensions
Dimensions
Dimensions
Dimensions
Dimensions
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
No.
No.
No.
No.
No. FCD04 / 0402
FCD04 / 0402
FCD04 / 0402
FCD04 / 0402
FCD04 / 0402
Specifications
Specifications
Specifications
Specifications
Specifications
P a c k a g i n g
P a c k a g i n g
P a c k a g i n g
P a c k a g i n g
P a c k a g i n g
PA: Paper Tape
(10.000 pcs.)
Reel diameter 18 cm
Tape width
8 mm
Material
Material
Material
Material
Material
Housing:
Ceramic/Glass
Terminals:
Sn plated
Operating T
Operating T
Operating T
Operating T
Operating Temperature
emperature
emperature
emperature
emperature
-55 to +125C
Solderability
Solderability
Solderability
Solderability
Solderability
235C, 2 sec.
At least 95% of the terminal surface must be
covered by new solder
Soldering Heat Resistance
Soldering Heat Resistance
Soldering Heat Resistance
Soldering Heat Resistance
Soldering Heat Resistance
260C, 10 sec. / 280C, 5 sec.
No visible damage. Meet electrical requirement
Marking
Marking
Marking
Marking
Marking
Code for rated current
Unit Weight
Unit Weight
Unit Weight
Unit Weight
Unit Weight
0.8 mg
UL 248-14, 24V
UL 248-14, 24V
UL 248-14, 24V
UL 248-14, 24V
UL 248-14, 24V, F
, F
, F
, F
, F
TT
TT
Time-Current Characteristic
ime-Current Characteristic
ime-Current Characteristic
ime-Current Characteristic
ime-Current Characteristic
Quick Acting (F)
Applicable Standards
Applicable Standards
Applicable Standards
Applicable Standards
Applicable Standards
IEC 60127-4
UL 248-14
Approval
Approval
Approval
Approval
Approval
cULus Recognized
Features
Features
Features
Features
Features
Excellent for overcurrent protection of
miniature portable equipment
very low internal resistance
Flame resistant ceramic substrate
Internationally approved
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
Further application infos see
Further application infos see
Further application infos see
Further application infos see
Fuseology:
Fuseology:
Fuseology:
Fuseology:
Fuseology:
www.wickmann.com/download/fuseology.pdf
Rated Current
2.5 x I
N
400mA ... 3.15A
< 5s
Specifications are subject
to change without notice
400mA
0400
24V
139
340
4.21x10
-4
E
500mA
0500
24V
125
290
8.73x10
-4
F
630mA
0630
24V
121
210
1.35x10
-3
I
800mA
0800
24V
121
150
2.25x10
-3
K
1.00A
1100
24V
114
120
4.91x10
-3
L
1.25A
1125
24V 35A / 24VDC
110
90
7.76x10
-3
M
1.60A
1160
24V
86
55
2.17x10
-2
N
2.00A
1200
24V
86
40
3.09x10
-2
S
2.50A
1250
24V
81
36
8.13x10
-2
T
3.15A
1315
24V
76
26
1.53x10
-1
U
Pad Layout (mm)
Pad Layout (mm)
Pad Layout (mm)
Pad Layout (mm)
Pad Layout (mm)
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 80
80
80
80
80%
%
%
%
% of rated current
of rated current
of rated current
of rated current
of rated current at ambient temperature of 23C (73.4F).
at ambient temperature of 23C (73.4F).
at ambient temperature of 23C (73.4F).
at ambient temperature of 23C (73.4F).
at ambient temperature of 23C (73.4F).
Rated
Amp
Voltage
Breaking
Voltage Drop Cold Resistance Melting Integral
Marking
Approvals
Current
Code
Rating
Capacity
1.0 x I
N
0.1 x I
N
10 x I
N
typ. (mV)
max. (m)
typ. (A
2
s)
cURus
0,5
0,4
0,5
0,4
Reflow
L
W
H
d
c
d
c
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
0.001
0.01
0.1
1
10
100
0.1
1
10
100
SS
SS
S
URF
URF
URF
URF
URFACE
ACE
ACE
ACE
ACE
M
M
M
M
M
OUNT
OUNT
OUNT
OUNT
OUNT
F
F
F
F
F
USES
USES
USES
USES
USES
0402/ No. FCD04
FCD04
FCD04
FCD04
FCD04
TT
TTTime-Current Characteristics
ime-Current Characteristics
ime-Current Characteristics
ime-Current Characteristics
ime-Current Characteristics
Thermal Derating
Thermal Derating
Thermal Derating
Thermal Derating
Thermal Derating
Opening T
ime (sec.)
Current (Amps)
Ambient Temperature (C)
Percentage of
rated current (%)
400mA
500mA 630mA
1.00A 1.25A 1.60A 2.00A 2.50A
0
20
40
60
80
100
-55
0
+40
+70
+125
800mA
3.15A
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