Fuses. USF0402 Datasheet

USF0402 Fuses. Datasheet pdf. Equivalent

USF0402 Datasheet
Recommendation USF0402 Datasheet
Part USF0402
Description Fuses
Feature USF0402; Fuses https://www.schurter.com /PG01_2 Surface Mount Fuse, 1.05 x 0.55 mm, Super-Quick-Acting FF, 32.
Manufacture Schurter
Datasheet
Download USF0402 Datasheet





Schurter USF0402
Fuses
https://www.schurter.com /PG01_2
Surface Mount Fuse, 1.05 x 0.55 mm, Super-Quick-Acting FF, 32 VDC
USF 0402
UL 248-14 · 32 VDC · Super-Quick-Acting FF
Description
- UL characteristic
- Low melting I²t-values, fast interruption
- Marking optional
- Impermeable to potting compound
Unique Selling Proposition
- Space constrained applications
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
See below:
Approvals and Compliances
Applications
- Secondary Protection
- Circuits without inrush
- Semiconductor protection
- Digital Consumer Electronics
References
Packaging Details
Weblinks
pdf data sheet, html datasheet, General Product Information, Packaging
details, Distributor-Stock-Check, Detailed request for product, Microsite
 
Soldering Methods
Solderability
Resistance to Soldering Heat
Moisture Sensitivity Level
Case Resistance
Flammability
Moisture Resistance Test
Resistance to Solvents
Terminal Strength
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
MSL 1, J-STD-020 
acc. to EIA/IS-722, Test 4.7
>100 MΩ (between leeds and body)
min. UL 94V-1
(acc. to EIA/IS-722, Test 4.12)
MIL-STD-202, Method 106E
(50 cycles in a temp./mister chamber)
MIL-STD-202, Method 215
MIL-STD-202, Method 211A
(Deflection of board 1 mm for 1 minute)
Approvals and Compliances
Detailed information on product approvals, code requirements, usage instructions and detailed test conditions can be looked up in  Details about
Approvals
SCHURTER products are designed for use in industrial environments. They have approvals from independent testing bodies according to national
and international standards. Products with specific characteristics and requirements such as required in the automotive sector according to IATF
16949, medical technology according to ISO 13485 or in the aerospace industry can be offered exclusively with customer-specific, individual agree-
ments by SCHURTER.
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
Certification Body
Description
UL Approvals
UL
UL File Number: E41599
CSA Approvals
CSA
CSA Certification Record: 248899
Circuit Protection
1



Schurter USF0402
USF 0402
Product standards
Product standards that are referenced
Organization
Design
Designed according to
Designed according to
Standard
UL 248-14
CSA22.2 No. 248.14
Application standards
Application standards where the product can be used
Organization
Design
Designed for applications acc.
Standard
IEC/UL 60950
Compliances
The product complies with following Guide Lines
Identification
Details
RoHS
Halogen Free
REACH
Initiator
SCHURTER AG
SCHURTER AG
SCHURTER AG
Dimension [mm]
 
1.0
0.5
0.25
Fuses
https://www.schurter.com /PG01_2
Description
Low voltage fuses - Part 14: Additional fuses
Low-Voltage Fuses - Part 14: Supplemental Fuses
Description
IEC 60950-1 includes the basic requirements for the safety of information
technology equipment.
Description
Directive RoHS 2011/65/EU, Amendment (EU) 2015/836
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.
0.58 0.38
Derating Curves
140
130
120
110
100
90
80
70
60
50
40
-60 -40 -20 0
Ambient Temperature [°C]
23
20 40
60 80 100 120 140 160
Pre-Arcing Time
Rated Current In 1.0 x In min 2.0 x In max 3.0 x In max
0.25 A
0.375 A - 5 A
4h - 5s
4 h 5 s 0.2 s
Soldering pads
2 Circuit Protection



Schurter USF0402
Fuses
https://www.schurter.com /PG01_2
Time-Current-Curves
USF 0402
10000
1000
100
10
1
0.1
250 mA
375 mA
500 mA
750 mA
1A
1.25 A
1.5 A
1.75 A
2A
2.5 A
3A
3.5 A
4A
5A
0.01
0.001
0.1
1
10 100
Current in Amperes
All Variants
Rated Cur-
rent [A]
Rated Vol-
tage [VDC]
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
Marking
Breaking
Capacity
1)
1)
1)
1)
1)
1)
1)
1)
1)
1)
1)
1)
1)
1)
Power Dissi-
pattyiopn. [1m.0WIn]
Voltage Drop
1.0 In[mtyVp].
23 92
32 85
47 93
76 102
87 88
120 96
130 87
142 81
141 71
138 55
187 61
202 58
228 57
262 52
Cold Resi- Melting I²t at 1
stance typ. ms typ. [A²s]
[m]
360 0.0025 l
193 0.0035 l
160 0.0053 l
105 0.012 l
73 0.02 l
60 0.035 l
47 0.056 l
39 0.075 l
30 0.1 l
20 0.156 l
17 0.2032 l
15 0.3017 l
10.5 0.3084 l
8.5 0.531 l
Order Number
l 3414.0111.26
l 3414.0112.26
l 3414.0113.26
l 3414.0114.26
l 3414.0115.26
l 3414.0116.26
l 3414.0117.26
l 3414.0118.26
l 3414.0119.26
l 3414.0120.26
l 3414.0121.26
l 3414.0122.26
l 3414.0123.26
l 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.
Circuit Protection
3





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