FUSES
/ SICHERUNGEN
Non resettable fuses
USF 0603
Surface
Mount Fuses
Type USF 0603
super-quick-acting FF
directly solderable on
printed circuit boards
lead-free
Typical time/current characteristic curves at 23°C
1:1
Recommended land
pattern for reflow sol-
der
Pre-arcing time in s
Current in Ampères
Pre-arcing time/current
characteristic (at T
a
23 °C)
n · I
n
1 · I
n
min.
4h
2 · I
n
max.
60 s
Standards
UL 248-14
CSA 248-14
Approvals
Rated
current I
n
500 mA – 5 A
*Free of CCC (DFC)
Order No
Rated
current I
n
Marking
Rated
voltage U
n
Breaking
capacity
Voltage drop
at I
n
Cold
resistance
Pre-arcing
I
2
t at 8xI
n
Approvals
3412.0113.XX
3412.0114.XX
3412.0115.XX
3412.0117.XX
3412.0119.XX
3412.0120.XX
3412.0121.XX
3412.0122.XX
3412.0123.XX
3412.0124.XX
500
750
1
1.5
2
2.5
3
3.5
4
5
mA
mA
A
A
A
A
A
A
A
A
F
G
H
K
N
O
P
R
S
T
32
32
32
32
32
32
32
32
32
32
/
/
/
/
/
/
/
/
/
/
32
32
32
32
32
32
32
32
32
32
50 A/32 VAC
at power
factor > 0.95
50 A/32 VDC
101
100
98
73
70
75
80
85
80
70
120
120
120
120
120
120
120
120
120
120
157
90
75
44
27.5
23.5
18.6
16
12.5
10
0.02
0.04
0.06
0.14
0.25
0.40
0.58
0.80
1.10
1.50
●
●
●
●
●
●
●
●
●
●
.XX
Packaging index
All measurements are carried out on a test board referring to IEC 60127-4 with 5 mm track.
www.schurter.com
CCC*
●
●
●
●
●
●
●
●
●
●
U
n
VAC / VDC
typ.
mV
max.
mV
typ.
mOhm
typ.
A
2
s
FUSES
/ SICHERUNGEN
Non resettable fuses
USF 0603
Technical data and
packaging
Type USF 0603
Additional technical data
Ambient temperature max. T
a
Recommended continuous operating
current at 23 °C
Climatic category
Solderability (Reflow- soldering)
Soldering heat resistance
Fuse-link temperature rise
Temperaturerhöhungen am Si-Einsatz
Storage temperature max.
/
Materials
Housing
Terminals
/
–55 °C
to
+90 °C
0,7 . In
55/090/21
according to
IEC 60068-1
235 °C, 2 sec. (215 °C, 3 sec.)
according to
IEC 60068-2-58
260 °C, 10 sec.,
according to
IEC 60068-2-58
≤
75 K (UL/CSA)
≤
75 K (UL/CSA)
40 °C
at
70%
r. H. /
r. F.
Glass epoxy, flammability class UL94V-0
Cu / Sn
trackwidth:
5 mm
according to
IEC 60127-4
Net weight pieces %
/
0,12 g
Packaging
Tape
/ Blistergurt
Taped and reeled 1000 pieces
/ Blistergurt à 1000 Stück auf Rolle
/
reel diameter 180 mm
/ R-Durchmesser 180 mm
Taped and reeled 5000 pieces
/ Blistergurt à 5000Stück auf Rolle
/
reel diameter 180 mm
/ R-Durchmesser 180 mm
Taped and reeled 15000 pieces
/ Blistergurt à 15000Stück auf Rolle
/
reel diameter 330 mm
/ R-Durchmesser 330 mm
Type
USF 0603
3412.XXXX.22
3412.XXXX.24
3412.XXXX.26
Blistertape and reel,
according to IEC60286-3
Max. 14,4
0,8
0,6
180
or/oder
330
0,9
4,0
3,5
8,0
1,75
1,75
2,0
4,0
1,5
0,2
12,8
62,0
8,4
All dimensions are in mm
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