Fuses
https://www.schurter.com /PG01_2
USF 0402
Surface Mount Fuse, 1.05 x 0.55 mm, Super-Quick-Acting FF, 32 VDC
UL 248-14 · 32 VDC · Super-Quick-Acting FF
Description
-
-
-
-
See below:
Approvals and Compliances
Applications
-
-
-
-
Secondary Protection
Circuits without inrush
Semiconductor protection
Digital Consumer Electronics
UL characteristic
Low melting I²t-values, fast interruption
Marking optional
Impermeable to potting compound
Unique Selling Proposition
- Space constrained applications
References
Weblinks
Packaging Details
pdf datasheet, html-datasheet, General Product Information, Packaging
details, Distributor-Stock-Check, Detailed request for product, Microsite
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 VDC
0.25 - 5 A
35 A
Super-Quick-Acting FF
PCB,SMT
-55 °C to 90 °C
55/125/21 acc. to IEC 60068-1
Thermoset
Gold-Plated Copper Alloy
0.004 g
0 °C to 60 °C, max. 70% r.h.
see table of 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/JE-
DEC 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)
Approvals and Compliances
Detailed information on product approvals, code requirements, usage instructions and detailed test conditions can be looked up in
Details about
Approvals
Approvals
The approval mark is used by the testing authorities to certify compliance with the safety requirements placed on electronic products.
Approval Reference Type: USF 0402
Approval Logo
Certificates
UL Approvals
CSA Approvals
Certification Body
UL
CSA
Description
UL File Number: E41599
CSA Certification Record: 248899
Product standards
Product standards that are referenced
Organization
Design
Designed according to
Designed according to
Standard
UL 248-14
CSA22.2 No. 248.14
Description
Low voltage fuses - Part 14: Additional fuses
Low-Voltage Fuses - Part 14: Supplemental Fuses
Fuses
1
USF 0402
Application standards
Application standards where the product can be used
Organization
Design
Designed for applications acc.
Standard
IEC/UL 60950
Description
https://www.schurter.com /PG01_2
Fuses
IEC 60950-1 includes the basic requirements for the safety of information
technology equipment.
Compliances
The product complies with following Guide Lines
Identification
Details
RoHS
Halogen Free
REACH
Initiator
SCHURTER AG
SCHURTER AG
SCHURTER AG
Description
EU Directive RoHS 2011/65/EU
SCHURTER strives to offer our customers halogen free products.
On 1 June 2007, Regulation (EC) No 1907/2006 on the Registration,
Evaluation, Authorization and Restriction of Chemicals 1 (abbreviated as
"REACH") entered into force.
Dimension [mm]
1.0
0.5
0.58
0.38
0.35
0.25
Soldering pads
Derating Curves
140
130
Percentage of Rating [%]
120
110
100
90
80
70
60
50
40
-60
-40
-20
0
20
23
40
60
80
100
120
140
160
Ambient Temperature [°C]
Pre-Arcing Time
Rated Current In
0.25 A - 5 A
1.0 x In min
4h
2.0 x In max
60 s
2
Fuses
0.56
Fuses
https://www.schurter.com /PG01_2
USF 0402
Time-Current-Curves
10000
1000
250 mA
375 mA
500 mA
100
750 mA
1A
1.25 A
Time in Seconds
10
1.5 A
1.75 A
2A
1
2.5 A
3A
3.5 A
4A
5A
0.1
0.01
0.001
0.1
1
10
100
Current in Amperes
All Variants
Rated Cur-
rent [A]
Rated Vol-
tage [VDC]
Marking
Breaking
Capacity
Voltage Drop
1.0 In max.
[mV]
90
90
90
90
90
90
90
90
90
90
90
90
90
90
Voltage Drop
1.0 In typ.
[mV]
92
85
93
102
88
96
87
81
71
55
61
58
57
52
Cold Resi-
stance typ.
[mΩ]
360
193
160
105
73
60
47
39
30
20
17
15
10.5
8.5
Melting I²t 8.0
In typ. [A²s]
Order Number
0.25
0.375
0.5
0.75
1
1.25
1.5
1.75
2
2.5
3
3.5
4
5
1) 35 A @ 32 VDC
32
32
32
32
32
32
32
32
32
32
32
32
32
32
1)
1)
1)
1)
1)
1)
1)
1)
1)
1)
1)
1)
1)
1)
0.0025
0.0035
0.0053
0.012
0.02
0.035
0.056
0.075
0.1
0.156
0.2032
0.3017
0.3084
0.531
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3414.0111.26
3414.0112.26
3414.0113.26
3414.0114.26
3414.0115.26
3414.0116.26
3414.0117.26
3414.0118.26
3414.0119.26
3414.0120.26
3414.0121.26
3414.0122.26
3414.0123.26
3414.0124.26
Availability for all products can be searched real-time:https://www.schurter.com/en/Stock-Check/Stock-Check-SCHURTER
Packaging Unit
.xx = .26 Blister Tape 33 cm Reel (10000 pcs.)
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
10.10.2018
Circuit Observation Room
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