USF 0603
Non resettable fuses
www.schurter.com /PG01_2
Surface Mount Fuse, 1.6 x 0.8 mm, Super-Quick-Acting FF, 32 VAC, 63 VDC
USF 0603
UL 248-14 · 32 VAC · 63 VDC · Super-Quick-Acting FF
Description
Applications
Standards
References
- UL characteristic
- Low melting I²t-values, fast interruption
- Impermeable to potting compound
- Secondary Protection DC and AC
- Circuits without inrush
- Semiconductor protection
Packaging Details
- UL 248-14
- CSA C22.2 no. 248.14
Weblinks
Approvals
- Approval Reference Type: USF 0603
- UL File Number: E41599
pdf datasheet, html-datasheet, General Product Information, Packaging
details, Approvals, CE declaration of conformity, RoHS, CHINA-RoHS,
REACH, Distributor-Stock-Check, Detailed request for product
Technical Data
Rated Voltage
Rated current
Breaking Capacity
Characteristic
Mounting
Admissible Ambient Air Temp.
Climatic Category
Material: Housing
Material: Terminals
Unit Weight
Storage Conditions
Product Marking
32 VAC, 63 VDC
0.5 - 5 A
50 A
Super-Quick-Acting FF
PCB,SMT
-55 °C to 90 °C
55/090/21 acc. to IEC 60068-1
Epoxyd Glass, UL 94V-0
general Ni/Sn, for 1A version Ni/Au
0.0016 g
0 °C to 60 °C, max. 70% r.h.
Letter (see variants)
Soldering Methods
Solderability
Resistance to Soldering Heat
Moisture Resistance Test
Terminal Strength
Case Resistance
Resistance to Solvents
Flammability
Reflow
Soldering Profile
245 °C / 3 sec acc. to IEC 60068-2-58,
Test Td
260 +0/-5 °C / 30 sec acc. to IPC/JEDEC J-STD-020D, Level 1
MIL-STD-202, Method 106E
(50 cycles in a temp./mister chamber)
MIL-STD-202, Method 211A
(Deflection of board 1 mm for 1 minute)
acc. to EIA/IS-722, Test 4.7
>100 MΩ (between leeds and body)
MIL-STD-202, Method 215A
min. UL 94V-1
(acc. to EIA/IS-722, Test 4.12)
Detailed information on product approvals, code requirements, usage instructions and detailed test conditions can be looked up in
General Product Information
Dimension
1.6 mm
0.8
0.6
1.1
1.6
0.9
0.3
0.8
Soldering pads
Fuses
1
USF 0603
Non resettable fuses
www.schurter.com /PG01_2
Pre-Arcing Time
Rated Current In
1.0 x In min.
2.0 x In max.
4h
60 s
0.5 A - 5 A
Time-Current-Curves
10000
1000
100
0.5 A
4.0 A
0.75 A
5.0 A
1.0 A
Time in Seconds
10
1.5 A
2.0 A
2.5 A
3.0 A
1
3.5 A
0.1
0.01
0.001
0.0001
0.1
1
10
100
Current in Amperes
All Variants
Rated Current [A]
2
Rated Voltage [VAC]
Rated Voltage [VDC]
Marking
Breaking
Capacity
Voltage Drop
1.0 In max.
[mV]
Voltage Drop
1.0 In typ.
[mV]
Cold Resistance typ.
[mΩ]
Melting I²t 8.0
In typ. [A²s]
Order Number
0.5
32
63
F
1)
120
101
157
0.02
l
3412.0113.11
█
0.5
32
63
F
1)
120
101
157
0.02
l
3412.0113.22
█
0.5
32
63
F
1)
120
101
157
0.02
l
3412.0113.24
0.5
32
63
F
1)
120
101
157
0.02
l
3412.0113.26
0.75
32
63
G
1)
120
100
90
0.04
l
3412.0114.11
0.75
32
63
G
1)
120
100
90
0.04
l
3412.0114.22
0.75
32
63
G
1)
120
100
90
0.04
l
3412.0114.24
0.75
32
63
G
1)
120
100
90
0.04
l
3412.0114.26
1
32
63
H
1)
120
98
75
0.06
l
3412.0115.11
1
32
63
H
1)
120
98
75
0.06
l
3412.0115.22
1
32
63
H
1)
120
98
75
0.06
l
3412.0115.24
1
32
63
H
1)
120
98
75
0.06
l
3412.0115.26
1.5
32
63
K
1)
120
73
44
0.14
l
3412.0117.11
1.5
32
63
K
1)
120
73
44
0.14
l
3412.0117.22
█
█
1.5
32
63
K
1)
120
73
44
0.14
l
3412.0117.24
1.5
32
63
K
1)
120
73
44
0.14
l
3412.0117.26
2
32
32
N
1)
120
70
27.5
0.25
l
3412.0119.11
█
2
32
32
N
1)
120
70
27.5
0.25
l
3412.0119.22
█
2
32
32
N
1)
120
70
27.5
0.25
l
3412.0119.24
2
32
32
N
1)
120
70
27.5
0.25
l
3412.0119.26
2.5
32
32
O
1)
120
75
23.5
0.4
l
3412.0120.11
█
2.5
32
32
O
1)
120
75
23.5
0.4
l
3412.0120.22
█
2.5
32
32
O
1)
120
75
23.5
0.4
l
3412.0120.24
Fuses
USF 0603
Non resettable fuses
www.schurter.com /PG01_2
Rated Current [A]
Rated Voltage [VAC]
Rated Voltage [VDC]
Marking
2.5
32
32
O
3
32
32
3
32
3
32
Breaking
Capacity
Voltage Drop
1.0 In max.
[mV]
Voltage Drop
1.0 In typ.
[mV]
Cold Resistance typ.
[mΩ]
Melting I²t 8.0
In typ. [A²s]
1)
120
75
23.5
0.4
l
3412.0120.26
P
1)
120
80
18.6
0.58
l
3412.0121.11
█
32
P
1)
120
80
18.6
0.58
l
3412.0121.22
█
32
P
1)
120
80
18.6
0.58
l
3412.0121.24
Order Number
3
32
32
P
1)
120
80
18.6
0.58
l
3412.0121.26
3.5
32
32
R
1)
120
85
16
0.8
l
3412.0122.11
3.5
32
32
R
1)
120
85
16
0.8
l
3412.0122.22
3.5
32
32
R
1)
120
85
16
0.8
l
3412.0122.24
3.5
32
32
R
1)
120
85
16
0.8
l
3412.0122.26
4
32
32
S
1)
120
80
12.5
1.1
l
3412.0123.11
4
32
32
S
1)
120
80
12.5
1.1
l
3412.0123.22
4
32
32
S
1)
120
80
12.5
1.1
l
3412.0123.24
█
█
4
32
32
S
1)
120
80
12.5
1.1
l
3412.0123.26
5
32
32
T
1)
120
70
10
1.5
l
3412.0124.11
█
5
32
32
T
1)
120
70
10
1.5
l
3412.0124.22
█
5
32
32
T
1)
120
70
10
1.5
l
3412.0124.24
5
32
32
T
1)
120
70
10
1.5
l
3412.0124.26
█ Most Popular.
Availability for all products can be searched real-time:http://www.schurter.com/en/Stock-Check/Stock-Check-SCHURTER
1) 50 A @ 32 VAC , p.f. ≥ 0.95 / 50 A @ 32 VDC
.xx = .11 Blister Tape of 100 pcs. in Plastic Bag
.xx = .22 Blister Tape 18 cm Reel (1000 pcs.)
.xx = .24 Blister Tape 18 cm Reel (5000 pcs.)
.xx = .26 Blister Tape 33 cm Reel (15000 pcs.)
08.05.2017
Packaging Unit
The specifications, descriptions and illustrations indicated in this document are based on current
information. All content is subject to modifications and amendments. Information furnished is believed
to be accurate and reliable. However, users should independently evaluate the suitability and test each
product selected for their own applications.
Fuses
3
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